baber/WOPTO huggingface dataset:
Patent WO-2020215732-A1 (WO)
Inventor: REN ZHIXIONG
IPC: H03F3/21
Filed: 2019-12-06
Abstract: The embodiments of the present application provide a signal processing method, device and system. The system comprises n load modulation modules and a synthesis module. The n load modulation modules are connected in parallel, and an output end of each of the load modulation modules is connected to an input end of the synthesis module, n being an integer greater than 1. The n load modulation modules comprise a primary power amplification module and (n-1) secondary power amplification modules. The secondary power amplification module is started when the power value of a signal received at an input end of the load modulation module is greater than a first threshold. The primary power amplification module comprises two outphasing power amplification units. Each of the secondary power amplification modules comprises two outphasing power amplifier arrays or one digital polar power amplifier array. Thus, a system capable of effectively improving the efficiency of a return area, and in particular, improving the efficiency of a deep return area is provided.
Patent WO-2021103200-A1 (WO)
Inventor: DING JIANWEN
IPC: G01N33/487
Filed: 2019-12-17
Abstract: An enricher (10), an enrichment system, a sample manufacturing system, and a sample detection system. The enricher (10) comprises an enrichment housing (101), which encloses to form an enrichment cavity (1013) used for accommodating a suction liquid; a suction connection part (102), which is used to place a suction mechanism (20) in communication with the enrichment cavity (1013) so that the enrichment cavity (1013) forms negative pressure under a vacuumization mechanism; and a blocking member (103), which is disposed on the enrichment housing (101); when the enrichment cavity (1013) forms negative pressure, a sample can, by means of the blocking member (103), form a suction liquid that enters the enrichment cavity (1013), and a retentate remains on the blocking member (103).
Patent WO-2020147531-A1 (WO)
Title: 一种洗涤投放装置
Inventor: HUANG TAO
IPC: D06F39/02
Filed: 2019-12-25
Abstract: 一种洗涤投放装置，其包括：水盒(200)，水盒内安装有投放盒(100)；投放盒内设有至少一个投放腔(1)，投放腔内安装有阻挡水流向出水口流出的挡板(4)，挡板上设有将两侧相连通的虹吸柱(5)，使挡板上游侧自投放盒投放进入水盒的洗涤剂和进水水流受挡板阻挡而蓄水至触发虹吸效应的液位高度后、沿虹吸柱流入挡板下游侧后经出水口流出水盒。通过上述设置，使得用户添加至投放腔内的洗涤剂可受挡板阻挡，令稀释后的洗涤剂经虹吸柱流至挡板下游侧，避免了洗涤剂未经水流稀释而直接流入水盒情况的发生，进而实现了提升洗涤剂稀释效率、增大洗涤剂分布范围的目的。
Patent WO-2020135585-A1 (WO)
Inventor: CHEN TAO
IPC: G06F16/29
Filed: 2019-12-26
Abstract: 一种基于互联网地图的空间数据采集方法及装置，其中，方法包括以下步骤：接收空间地名（S101）；调用互联网地图服务Api，以根据互联网地图得到空间地名的POI数据（S102）；解析POI数据，并对解析结果进行坐标转换，以得到POI坐标（S103）；对POI坐标进行Union运算，以获取凸多边形（S104）；读取满足预设分辨率的遥感地图，并对与凸多边形相交的建筑物进行求最大外接多边形，并结合地图展现空间地名的空间范围（S105）。该方法通过互联网POI数据和高分辨率遥感影像地图数据自动化生成"号院"空间数据，以实现空间数据采集，从而有效提高数据采集的实用性和适用性，效率高，简单易实现。
Patent WO-2020215779-A1 (WO)
Title: 曲轴变形平衡方法、装置，以及曲轴，涡旋压缩机
Inventor: WEI HUIJUN
IPC: F04C29/00
Filed: 2019-12-26
Abstract: 一种曲轴变形平衡方法、装置，以及具有按照该方法确定的平衡配重的曲轴及其涡旋压缩机。该方法包括：确定每个平衡配重克服动盘（6）离心力和气体力共同作用下引起的曲轴（9）变形所需的离心分力；根据离心分力确定平衡配重；其中，平衡配重设置在曲轴（9）上。该方法解决了相关技术中仅考虑动盘离心力对曲轴的影响，平衡效果较差的技术问题。
Patent WO-2021128231-A1 (WO)
Title: 一种激光切割装置及激光切割方法
Inventor: LI ZHIMENG
IPC: B23K26/38
Filed: 2019-12-27
Abstract: 一种激光切割装置及激光切割方法，其包括：上料单元（1），机械手单元（2），切割单元（3），热裂片单元（5），以及下料单元（6），所述的机械手单元（2）将上料单元（1）上的料片送至切割单元（3），所述的热裂片单元（5）接收切割单元（3）切割后的料片，并通过旋转平台加热料片进行裂片，所述的下料单元（6）将裂片后的料片从热裂片单元（5）取出。所述激光切割装置以及激光切割方法通过加热裂片的方式，每次可以裂片多个料片，而且能够提高裂片的精度以及效率。
Patent WO-2021134560-A1 (WO)
Inventor: LI QINGYUAN
IPC: H04M1/02
Filed: 2019-12-31
Abstract: 一种含有无线供电半主动电子标签的便携式设备保护套，通过便携式设备的电池驱动保护套内置的电子标签，以提高射频传输距离和提供更轻薄的体验。
Patent WO-2020147592-A1 (WO)
Inventor: WANG GUOPENG
IPC: B65G15/28
Filed: 2020-01-02
Abstract: 一种双层直线式分拣机，包括传送机构（10）、第一上件机构（20）、第二上件机构（30）、回转机构（40）及驱动机构（50）。传送机构（10）为环形且布置成为上层和下层，上层的运行方向为第一方向，下层的运行方向为第二方向，第一方向为自传送机构（10）的一端至传送机构（10）的另一端，第二方向与第一方向相反。第一上件机构（20）靠近传送机构（10）的上层，并与传送机构（10）的一端对接。第二上件机构（30）靠近传送机构（10）的下层，并与传送机构（10）的另一端对接。驱动机构（50）能够驱动传送机构（10）在驱动机构（50）与回转机构（40）之间环绕运行，部分货物能够经由第一上件机构（20）传送至传送机构（10）的上层，并沿第一方向传送并被分拣，另一部分货物能够经由第二上件机构（30）传送至传送机构（10）的下层，并沿第二方向传送并被分拣。
Patent WO-2020156314-A1 (WO)
Inventor: XIE XINLIAN
IPC: G08G3/02
Filed: 2020-01-20
Abstract: 一种海上安全航行智能诱导装置，该装置中能够根据诱导船舶OS在任意时刻的位置自动计算生成并在ECDIS上显示从该位置到本航次规划终点的安全航行最佳线路；当诱导船舶周围监视距离内存在过往船舶时，能够自动判断风险并生成慎航角，用不同颜色表示诱导船舶OS相对于不同过往船舶TS的慎航角，同时可以用慎航角的边长进一步区分OS相对于不同TS的慎航角以及表示发生碰撞的OS最小速度，并以此标示诱导船舶OS与不同过往船舶TS接触或碰撞的先后顺序和避免碰撞的OS最大速度，从而获取诱导船舶OS的安全航向角度范围和相对于不同TS需要谨慎航行的角度范围，以及在慎航角范围内航行时为保证安全OS需要降速的幅度，为驾驶员提供智能化安全航行支持。
Patent WO-2021168887-A1 (WO)
Inventor: ZHANG KAIDI
IPC: G02B11/30
Filed: 2020-03-04
Abstract: Disclosed is a camera optical camera lens (10), sequentially comprising, from an object side to an image side, a first lens (L1) having a positive refractive power, a second lens (L2) having a positive refractive power, a third lens (L3) having a negative refractive power, a fourth lens (L4) having a negative refractive power, and a fifth lens (L5) having a positive refractive power. The on-axis distance from the image-side surface of the second lens (L2) to the object-side surface of the third lens (L3) is d4; the overall focal length of the camera optical lens (10) is f; and the focal length of the first lens (L1) is f1, which satisfy the following relational expressions: d4 = 0.00; and 0.35 ≤ f1/f ≤ 0.75. The optical camera lens (10) meets the requirements of a large aperture, a long focal length and ultra-thinness, while also having a good optical performance.
Patent WO-2020177753-A1 (WO)
Title: Super-gravity nano/micron bubble generation device and reaction system
Inventor: LUO YONG
IPC: B01F3/04
Filed: 2020-03-05
Abstract: A super-gravity nano/micron bubble generation device and a reaction system. In the device, a liquid phase is a continuous phase and a gas phase is a dispersion phase. Gas enters the interior from a hollow shaft (7), and the gas is subjected to primary shearing by means of an shearing action of aeration micropores to form bubbles; then, the bubbles rapidly disengages from the surface of a rotating shaft under the action of the rotating shaft rotating at a high speed, and are subjected to secondary shearing under a strong shearing force of a super-gravity environment formed by the rotating shaft to form nano/micron bubbles. The average particle size of the formed nano/micron bubbles is between 800 nanometers and 50 microns, and the average particle size of the bubbles can be regulated in a range by adjusting a rotating speed of the rotating shaft.
Patent WO-2020187072-A1 (WO)
Inventor: QIU HAIJUN
IPC: H04N5/232
Filed: 2020-03-09
Abstract: The present application provides an array substrate and a manufacturing method therefor, and a display device and an imaging method therefor. In one embodiment, the array substrate comprises: a base substrate; and multiple imaging holes and multiple sensor units provided above the base substrate, wherein the multiple imaging holes are respectively located above the multiple sensor units, so that the imaging holes have one-to-one correspondence to the sensor units.
Patent WO-2020187115-A1 (WO)
Inventor: LIU FENGWEI
IPC: H04W72/04
Filed: 2020-03-12
Abstract: Provided in the present application are a method and device for indicating resources, the method comprising: a second node acquiring resource configuration information used for indicating the configuration of fixed resources and dynamic resources of the second node; the second node receiving first indication information that is sent by a first node and that is used to indicate the availability status of one or more of the dynamic resources in a first indication area of the second node, the first node being an upper layer node of the second node; according to the first indication information and the resource configuration information, the second node determining second indication information used for indicating the availability status of resources between the second node and a third node in a second indication area, the second indication area comprising at least one dynamic resource not indicated by the first indication information, and the second indication information indicating the status of the at least one dynamic resource not indicated by the first indication information as unavailable; and the second node sending the second indication information to the third node, the third node being a lower layer node of the second node.
Patent WO-2021047163-A1 (WO)
Inventor: DUAN YANQIANG
IPC: H01L51/00
Filed: 2020-03-19
Abstract: 提供了一种显示面板（10）、显示模组（60）以及显示装置。显示面板的柔性衬底（11）包括第一柔性衬底（111）、无机层（113）、第二柔性衬底（112）；在电子元件（30）的采光路径上，第一柔性衬底形成有第一通孔（114）；基于通孔，增大了显示面板透光率，这样就可以把摄像头等电子元件设置在显示面板的下方，实现了窄边框设计。
Patent WO-2021120436-A1 (WO)
Title: 一种婴儿摇床
Inventor: SHAN HUAFENG
IPC: A47D9/02
Filed: 2020-03-23
Abstract: 一种婴儿摇床，包括底座（1）、支架（3）、活动床厢（2）、绕线桶（201）、第一线体（202）和第二线体（205），活动床厢（2）悬空地与设置在底座（1）上的支架（3）活动连接；活动床厢（2）的底面沿活动床厢（2）的运动方向设置第一固定端（203）和第二固定端（206），绕线桶（201）位于第一固定端（203）和第二固定端（206）之间，绕线桶（201）转动地固定在底座（1）与活动床厢（2）相对的面上；第一线体（202）和第二线体（205）分别缠绕于绕线桶（201）上，第一线体（202）的缠绕方向与第二线体（205）相反，第一线体（202）的自由端通过弹性部件（204）与第一固定端（203）连接，第二线体（205）的自由端通过弹性部件（204）与第二固定端（206）连接。通过柔性连接的弹性部件（204）降低伤害，即使在运行过程中夹到物体，也可以在电机停止运行，或者反转的时候轻松取出。
Patent WO-2020215980-A1 (WO)
Inventor: QIANG BINGLUO
IPC: F24F13/22
Filed: 2020-03-26
Abstract: 一种固定装置，包括排水管固定结构（1）与上底座（3）；其中排水管固定结构（1）与上底座（3）固定连接。还提供了一种防呆固定结构及空调器。该固定装置通过排水管固定结构对未复位的排水管进行固定，以解决拆卸后的排水管无法固定的问题。
Patent WO-2021212403-A1 (WO)
Inventor: XU CHANGLONG
IPC: H04L5/00
Filed: 2020-04-23
Abstract: Wireless communications systems and methods related to resource block set allocation for dynamic uplink communications in a wireless communication network are provided. For example, a method of wireless communication performed by a user equipment can include: monitoring, in a search space of a shared radio frequency band, for downlink control information (DCI); receiving, from a base station based on the monitoring, the DCI, wherein the DCI includes an explicit interlace allocation but does not include an explicit resource block set allocation; determining, based on the received DCI, one or more resource block sets for transmitting an uplink communication; and transmitting, to the base station, the uplink communication using the one or more resource block sets and the explicit interlace allocation.
Patent WO-2020221277-A1 (WO)
Title: 二氨基嘧啶类化合物治疗子宫内膜异位相关的疼痛的方法
Inventor: ZHAO YANPING
IPC: A61K31/506
Filed: 2020-04-29
Abstract: 一种生物医药领域治疗、遏制或减轻子宫内膜异位相关的疼痛的方法，其包括向需要其的个体给药治疗有效量的式（I）的二氨基嘧啶类化合物或其药学上可接受的盐、酯、立体异构体、多晶型、溶剂合物、N-氧化物、同位素标记的化合物、代谢物或前药。
Patent WO-2021217533-A1 (WO)
Inventor: LIU HANG
IPC: H04W28/18
Filed: 2020-04-29
Abstract: A data transmission method, apparatus and system, which optimize the data transmission mode in a smart cockpit scenario, and are applied to the field of short-distance communications, such as in a smart cockpit domain, and can also be applied in the fields of automatic driving, smart driving, etc. In the present application, a first communication apparatus may indicate, to a second communication apparatus, a first service and a first resource corresponding to the first service. When the second communication apparatus needs to send first data of the first service, a media access control layer of the second communication apparatus can transparently transmit data of the first service; and correspondingly, when the first communication apparatus receives the first data of the first service, a media access control layer of the first communication apparatus transparently transmits the first data. Therefore, the wireless transmission of data of the first service between a master node and a slave node is realized. In addition, compared with the wireless communication protocol in the prior art, the present application simplifies the processing steps of media access control layers at a sending end and a receiving end, so that the data transmission efficiency can be improved.
Patent WO-2021223217-A1 (WO)
Title: Radio notification area updating method and radio notification area updating apparatus
Inventor: HONG WEI
IPC: H04W36/08
Filed: 2020-05-08
Abstract: A radio notification area updating method and apparatus, an electronic device, and a computer readable storage medium. The method comprises: receiving configuration information transmitted by a first base station; when a second SIM card needs to be handed over to a second base station, if the second base station is located outside a radio notification area configured by the first base station for a first SIM card, transmitting the radio notification area updating information of the first SIM card to the second SIM card according to the configuration information; and transmitting a measurement report of handing over to the second base station to the first base station by means of the second SIM card, wherein the measurement report comprises the radio notification area updating information of the first SIM card. Therefore, the first SIM card does not need to transmit the radio notification area updating information to the second base station, and the state of the first SIM card does not need to be temporarily adjusted, thereby reducing the number of times of communication between a terminal and the base stations.
Patent WO-2021226854-A1 (WO)
Inventor: XU DANHENG
IPC: H04L29/06
Filed: 2020-05-13
Abstract: Disclosed are a blockchain machine, a blockchain data access authentication method, and a computer-readable storage medium. The method comprises: when a user purchases a blockchain machine, providing user information, and after the user information passes verification, writing the user information into a chip of the blockchain machine; binding the user information to hardware information with a unique identifier, and writing same into the chip; by means of a blockchain machine node where a manufacturer is located, giving a notification of a hash value of node information of the blockchain machine to other nodes to be connected of a blockchain; when the user starts the blockchain machine, a system testing hardware information, and matching same with hardware information written into the chip, wherein if the hardware information is inconsistent with the hardware information written into the chip, the blockchain machine cannot be started or the blockchain machine displays an error; after being started, the blockchain machine accessing blockchains of different types in the form of a node according to the selection of the user; and when the blockchain machine accesses a corresponding blockchain in the form of a node, the other nodes of the blockchain verifying the blockchain machine node, wherein if signatures of more than two thirds of the nodes pass verification, the access is allowed.
Patent WO-2021212593-A1 (WO)
Inventor: LIU JIANHUA
IPC: H04W76/10
Filed: 2020-05-25
Abstract: Provided are a QoS control method and apparatus, and a readable storage medium. A source UE sends request information to a target UE according to the triggering of an application, wherein the request information comprises QoS information of service data that is transmitted between the source UE and the target UE; and when receiving the request information issued by the source UE to the target UE, a relay UE can obtain QoS information of the service data that is transmitted between the source UE and the relay UE, and QoS information of the service data that is transmitted between the relay UE and the target UE, thereby ensuring the data transmission quality of service interaction performed between the source UE and the target UE by means of the relay UE.
Patent WO-2021237743-A1 (WO)
Inventor: LU YUNHUA
IPC: H04N7/01
Filed: 2020-05-29
Abstract: 本公开涉及信息展示技术领域，具体涉及一种视频插帧方法及装置、计算机可读存储介质及电子设备，方法包括：根据两个输入帧得到与两个输入帧对应的两个初始光流图；优化初始光流图得到目标光流图；根据两个输入帧得到插帧核、两个深度图和两个上下文特征图；根据目标光流图、深度图、上下文特征图和插帧核利用帧合成方法得到输出帧；上述步骤至少满足以下条件之一：对两个输入帧进行迭代残差光流估计得到两个初始光流图；根据两个输入帧利用像素自适应卷积联合上采样优化初始光流图得到目标光流图；根据两个输入帧利用目标深度估计模型得到两个深度图；根据目标光流图、深度图、上下文特征图以及插帧核利用像素自适应卷积帧合成方法得到输出帧。
Patent WO-2020248870-A1 (WO)
Inventor: QIU BIN
IPC: G09G3/34
Filed: 2020-06-02
Abstract: A backlight control method, a driving circuit (300), and a display device (100). The backlight control method comprises the steps of: turning on a power supply (A); generating an enable signal when detecting whether picture data is received, and if picture data is received, generating a first enable signal and outputting same to control backlight to be turned on; and if no picture data is received, generating a second enable signal and outputting same to control the backlight to be turned off (B).
Patent WO-2021243625-A1 (WO)
Inventor: ZHOU QIFA
IPC: C05G3/80
Filed: 2020-06-04
Abstract: Provided are a preparation method for algae powder and the use of the algae powder in the improvement of desert soil. The method comprises: (1) selecting high-bicarbonate wastewater and diluting the wastewater so that the bicarbonate content thereof is 400-500 mg/L and the NH 4 -N content is less than 100 mg/L; adding K 2 SO 4  to make the content of K in the bicarbonate wastewater reach 15-50 mg/L; adjusting the pH to 7.5-8.0; transferring the wastewater into a transparent container, and then inoculating Rhizoclonium into the transparent container at 0.5-1.0 gFW/L; and culturing the algae under the conditions of the illumination intensity being 150-300 μmol m -2 s -1 , the temperature being 15°C-35°C, and the relative humidity being 36.7%-90%; (2) harvesting the algae when the algae grow to the logarithmic phase and the pectin content is higher than 8%; and (3) air-drying the harvested algae, and crushing and sieving same to prepare algae powder. The algae powder prepared by means of the preparation method is applied to the improvement of desert soil. By means of the method, the particle composition of desert soil can be significantly improved, the percentage of particles with a small particle size (≤0.1 mm) is reduced, the percentage of particles with a size of 0.1-0.25 mm is significantly increased, and the content of organic carbon and nitrogen in soil is also improved. In particular, the algae powder has no side effects on the soil.
Patent WO-2020249053-A1 (WO)
Inventor: XIAO XIANGCHUN
IPC: G02F1/13357
Filed: 2020-06-11
Abstract: 一种显示装置，包括显示面板(20)以及背光模组(10)，背光模组(10)包括棱镜膜(11)以及至少两层扩散膜(12,13)，棱镜膜(11)设置在两层扩散膜(12,13)之间，显示面板(20)设置在背光模组(10)的出光方向一侧，显示面板(20)包括彩膜基板，彩膜基板包括阵列排布的不同颜色的多个色阻，多个色阻中的至少一个在彩膜基板中的投影形状为矩形；棱镜膜(11)靠近出光方向的一面包括平行设置的多个棱体；多个棱体中的至少一个的延伸方向与矩形的长边的夹角为80°～100°。增加棱体方向的视角效果，从而保证左右视角和上下视角的大致相同。
Patent WO-2021022910-A1 (WO)
Inventor: ZHANG HONGPING
IPC: H04W36/00
Filed: 2020-06-15
Abstract: Embodiments of the present application provide a handover method, a system for handover, and a terminal device. The handover method comprises: a source base station and a target base station obtain first indication information, the first indication information indicating a time when the terminal device transmits data to the source base station and the target base station respectively during handover of the terminal device from a first cell of the source base station to a second cell of the target base station; the first cell and the second cell are intra-frequency neighboring cells; the source base station sends the first indication information to the terminal device. The source base station, the target base station, and the terminal device all obtain the first indication information, and during the intra-frequency handover, the terminal device transmits data to one of the source base station and the target base station at any time, thereby avoiding intra-frequency interference, ensuring uninterrupted transmission of signals in the intra-frequency handover process, and improving the communication quality of the intra-frequency handover.
Patent WO-2021042850-A1 (WO)
Title: Item recommending method and related device
Inventor: HUANG HUINA
IPC: G06Q30/02
Filed: 2020-06-30
Abstract: The present application relates to the technical field of artificial intelligence, and to an item recommending method and a related device, comprising: obtaining a video of a user browsing items (201); preprocessing the video to obtain face images (202); extracting facial expression features from the face images, comparing the facial expression features with a pre-trained micro-expression recognition model, and determining micro-expressions respectively corresponding to the face images according to the comparison result (203); determining an item of interest of the user according to the micro-expressions (204); determining, according to item information of the item of interest of the user, an item to be recommended (205); and sending to the terminal a recommendation instruction carrying the item to be recommended, the recommendation instruction being used for instructing the terminal to display the item to be recommended (206). The item recommendation accuracy is improved.
Patent WO-2021184625-A1 (WO)
Title: Artificial microstructure construction method and optical system comprising artificial microstructure
Inventor: LIU LEIXIN
IPC: G02B26/06
Filed: 2020-07-22
Abstract: Disclosed are an artificial microstructure construction method and an optical system comprising an artificial microstructure. The method comprises the following steps: S10, determining the phase of partially coherent light to be generated at each cell location corresponding to an artificial microstructure area according to the coherence of the partially coherent light; S20, calculating the rotation angle of nanometer cells arranged at each cell location; and S30, arranging the nanometer cells with different rotation angles at corresponding cell locations, and then constructing the artificial microstructure for realizing regulation of and control over light beam coherence. A focused light beam is incident on a surface of the constructed artificial microstructure, and an incident area of the artificial microstructure is selected according to requirements, thereby obtaining the partially coherent light beam having a corresponding coherence degree.
Patent WO-2021042898-A1 (WO)
Title: Stereoscopic display device and control method therefor
Inventor: SUN BINHUA
IPC: G09G3/00
Filed: 2020-07-23
Abstract: A stereoscopic display device and a control method therefor. The stereoscopic display device a rotating shaft (2) and at least one display assembly (100). The display assembly (100) is fixed to the rotating shaft (2), the display assembly (100) comprises at least three display surfaces (501, 502, 503), and at least one display surface (502) is configured to face away from the rotating shaft (2) in the radial direction of the rotating shaft (2). Without changing the rotating speed, since the display assembly (100) comprises at least three display surfaces (501, 502, 503), and each display surface (501, 502, 503) has a plurality of planar pixels, a larger number of stereoscopic pixels can be generated per a unit time, and the number of frames of three-dimensional images displayed per unit time can be increased, thereby enhancing the display effect; without changing the number of voxels of the three-dimensional image itself, the rotating speed of the display assembly (100) can further be increased, so as to improve the refresh rate, thereby also enhancing the display effect. Since the side surface parallel to the thickness direction of the display assembly (100) is configured as the display surface (502), and the display surface (502) is used for displaying images, the visual interference of the original side surface on a user is avoided, thereby also enhancing the display effect.
Patent WO-2021169167-A1 (WO)
Inventor: ZHANG FANGLIANG
IPC: C12N15/11
Filed: 2020-07-24
Abstract: Provided are viral vectors for the prevention or treatment of COVID-19 infection, wherein the vector comprises a 5' inverted terminal repeat (ITR) of adeno-associated virus (AAV) and a 3' AAV ITR, a promoter, a restriction site downstream of the promoter to allow insertion of a polynucleotide encoding a SARS-CoV-2-neutralizing antibody or an ACE2-Fc fusion protein, and a post-transcriptional regulatory element downstream of the restriction site, wherein the promoter, the restriction site and the post-transcription regulatory element are located downstream of the 5' AAV ITR and upstream of the 3' AAV ITR. Also provided are methods of making the vectors, pharmaceutical compositions comprising the vectors, and methods of preventing or treating SARS-CoV-2 infection.