baber/WOPTO huggingface dataset:
Patent WO-2022095281-A1 (WO)
Inventor: ZHANG XUEYING
IPC: G06Q10/10
Filed: 2021-01-20
Abstract: L'invention concerne un procédé orienté données d'évolution pour corréler des divisions administratives en Chine. Les étapes principales sont les suivantes : S1, structurer des informations de divisions administratives au fil des années ; S2, structurer des informations d'ajustement de divisions administratives ; S3, selon les informations d'ajustement de divisions administratives, déterminer des divisions administratives associées à l'année actuelle et à l'année précédente et enregistrer, dans une table de corrélation d'évolution de divisions administratives, les divisions administratives décrites et leurs types d'évolution ainsi qu'un code d'évolution d'informations de changement ; S4, selon des informations dans la table de corrélation d'évolution de divisions administratives, extraire des enregistrements de toutes les divisions correspondant à chaque information de changement ; et S5, obtenir des divisions administratives et des relations de subordination de celles-ci dans une table de divisions administratives. Le procédé orienté données d'évolution pour corréler des divisions administratives en Chine établit une relation entre des divisions administratives en commençant avec des informations d'évolution, et peut non seulement établir des corrélations entre les divisions administratives, mais également établir un mode de changement pour chaque type de division administrative.
Patent WO-2021170113-A1 (WO)
Title: ACE-2-Fc融合蛋白治疗冠状病毒的方法
Inventor: WANG WEIMING
IPC: A61K47/68
Filed: 2021-02-26
Abstract: 一种ACE-2-Fc融合蛋白治疗冠状病毒的方法，属于病毒治疗领域。一种重组融合蛋白，所述蛋白包括血管紧张素转化酶2(ACE2)区，与免疫球蛋白的Fc区连接，所述融合蛋白能与冠状病毒的刺突蛋白结合，从而阻断ACE2与冠状病毒刺突蛋白的结合。一种预防、治疗或缓解冠状病毒感染的方法，所述方法包括给感染或疑似感染冠状病毒受试者施用包含ACE2胞外域的蛋白，所述冠状病毒为SARS-Cov-2，所述ACE2胞外域包含SEQ ID NO:1所示的氨基酸序列，其中所述蛋白以二聚体的形式存在。
Patent WO-2021190507-A1 (WO)
Title: 颈部按摩仪及其控制方法
Inventor: LIU JIE
IPC: G01K13/00
Filed: 2021-03-23
Abstract: 一种颈部按摩仪（10）及其控制方法，颈部按摩仪（10）包括：壳体（11）；控制电路（13），控制电路（13）安装于壳体（11）；开机电路（14），开机电路（14）与控制电路（13）电连接；按摩元件（12），按摩元件（12）与控制电路（13）电连接；温度敏感元件（15），温度敏感元件（15）与开机电路（14）电连接，且温度敏感元件（15）适于检测颈部按摩仪（10）的朝向人体颈部一侧的温度，当温度敏感元件（15）检测到温度满足第一预设条件时，温度敏感元件（15）产生第一触发信号并将第一触发信号发送至开机电路（14），开机电路（14）受第一触发信号触发而启动控制电路（13），控制电路（13）控制按摩元件（12）启动。
Patent WO-2022193351-A1 (WO)
Title: 用树莓苷提高卷烟产品香气的方法
Inventor: LEI SHENG
IPC: A24B3/12
Filed: 2021-03-25
Abstract: 用树莓苷提高卷烟产品香气的方法，将包括树莓苷的香料分散或溶于溶剂中形成香料分散体，然后添加到卷烟中。使用树莓苷作为潜香香料用于卷烟中，解决了卷烟中的香料不够稳定、风格特征不突出的问题。将包括树莓苷的香料分散体用于卷烟纸、烟丝或再造烟叶中，卷烟中的主流烟气和侧流烟气具有覆盆子酮的特征香。
Patent WO-2021213150-A1 (WO)
Inventor: WANG PEI
IPC: A61B5/00
Filed: 2021-03-30
Abstract: A weak current signal acquisition circuit, and a seat (10) and a seat cover (100) having the circuit. The weak current signal acquisition circuit uses two signal acquisition units as front input electrodes of an amplification circuit, and uses an in-phase differential input mode, so that the ratio of amplitudes of a differential mode signal sent to a subsequent-stage operational amplifier to a common mode signal is improved, thereby achieving the purpose of improving the signal-to-noise ratio of a weak current signal extracted by a signal acquisition unit. When people use a seat cover (100) in which a weak current signal acquisition circuit is mounted, thighs are in contact with a signal acquisition unit provided on the seat (10), such that the weak current signal acquisition circuit can acquire a human body's electrocardiosignal more effectively.
Patent WO-2021204127-A1 (WO)
Title: Prioritization of uplink and sidelink transmissions
Inventor: YE CHUNXUAN
IPC: H04W72/10
Filed: 2021-04-06
Abstract: Determining priority of a simultaneous sidelink (SL) transmission and uplink (UL) transmission of a user equipment (UE) within a 5G New Radio (NR) network may comprise processing an SL control information (SCI) corresponding to at least one of a SL hybrid automatic repeat request (HARQ) or an SL schedule request (SR) included in a UL transmission to be sent by a UE to thereby determine a priority value associated with the at least one SL HARQ or SL SR. An SCI of an SL transmission to be sent by the UE simultaneously with the UL transmission may be processed to thereby determine a priority value associated with the SL transmission. The priority value of the at least one SL HARQ or SL SR may be compared to the priority value of the SL transmission. Transmissions may then be prioritized based on the comparison of priority values.
Patent WO-2021253954-A1 (WO)
Inventor: XU KUI
IPC: A61K31/4468
Filed: 2021-04-13
Abstract: L'invention concerne un composé ayant une structure telle que représentée dans la formule (I) ou un sel pharmaceutiquement acceptable de celui-ci et son utilisation en tant qu'analgésique pour prévenir ou traiter une douleur neuropathique ou une douleur inflammatoire.
Patent WO-2022088626-A1 (WO)
Title: 基于猫鼻纹特征提取模型的猫鼻纹识别方法及装置
Inventor: XU QIANG
IPC: G06K9/00
Filed: 2021-04-25
Abstract: 本发明涉及图像识别技术领域，具体涉及一种基于猫鼻纹特征提取模型的猫鼻纹识别方法及装置。该方法及装置通过接收猫鼻纹识别请求，猫鼻纹识别请求至少携带有待识别图像数据；选择与待识别图像数据相匹配的鼻纹图像识别模式；按照鼻纹图像识别模式对待识别图像数据进行识别，输出鼻纹识别结果，本发明基于猫鼻纹特征提取模型的猫鼻纹识别方法及装置能够提高猫鼻纹识别的准确率。
Patent WO-2022226742-A1 (WO)
Title: 一种寻呼消息监测方法、寻呼消息监测装置及存储介质
Inventor: MU QIN
IPC: H04W68/00
Filed: 2021-04-26
Abstract: 本公开是关于一种寻呼消息监测方法、寻呼消息监测装置及存储介质。其中，寻呼消息监测方法，应用于终端，所述寻呼消息监测方法包括: 接收多个寻呼指示信息，所述多个寻呼指示信息用于分别指示不同类型终端监测寻呼消息; 在所述多个寻呼指示信息中，确定与终端类型对应的寻呼指示信息，并基于所述寻呼指示信息监测寻呼消息。通过本公开可以避免造成终端不必要的寻呼监听。
Patent WO-2021223630-A1 (WO)
Title: Electronic device
Inventor: YANG NAN
IPC: H04M1/02
Filed: 2021-04-27
Abstract: Provided in the present application is an electronic device, the electronic device comprising a display screen, the display screen comprising a first display area and a second display area, and the material of the display screen corresponding to the second display area being a transparent material; a camera, the camera being arranged below the display screen and opposite to the second display area; and a first display cache, the first display cache being used for storing display signals of the first display area and display signals of the second display area, and sending the display signals of the first display area to the first display area; the first display cache is also used for determining whether to send the display signals of the second display area to the second display area on the basis of whether the camera is activated, so that the overall display effect of the electronic device is not affected, enhancing the user experience.
Patent WO-2021233225-A1 (WO)
Inventor: XIE ZHENHUA
IPC: H04W4/06
Filed: 2021-05-14
Abstract: 本申请公开了一种多播业务的处理方法、装置及电子设备，涉及通信技术领域。该方法包括：在接收到用户侧设备的加入请求的情况下，向第二网络侧功能请求多播运营参数；接收所述第二网络侧功能反馈的多播运营参数，并将所述多播运营参数告知所述用户侧设备和/或服务于所述用户侧设备的基站。
Patent WO-2022241780-A1 (WO)
Inventor: HONG WEI
IPC: H04W52/00
Filed: 2021-05-21
Abstract: La présente divulgation concerne des procédés et des appareils d'envoi de requête et de réception de requête, le procédé d'envoi de requête consistant à envoyer une requête de charge sans fil à une station de base, la requête de charge sans fil étant utilisée pour lancer une requête à la station de base d'effectuer une charge sans fil sur un terminal. Selon la présente divulgation, un terminal peut envoyer une requête de charge sans fil à une station de base, de sorte que la station de base peut déterminer, en fonction de la requête de charge sans fil, que le terminal nécessite une charge sans fil, d'où une charge sans fil rapide du terminal.
Patent WO-2022246739-A1 (WO)
Inventor: LU HONGTING
IPC: H01L51/50
Filed: 2021-05-27
Abstract: The present disclosure provides a display substrate and a display apparatus. The display substrate comprises: a driving chip, a display area, and a peripheral area surrounding the display area, wherein the driving chip is located in the peripheral area, and the driving chip is close to a first side of the display area. The display substrate further comprises a cathode layer, a cathode auxiliary layer, and a power line layer, wherein the cathode layer extends from the display area to the peripheral area; the cathode auxiliary layer extends from the display area to the peripheral area, and the cathode auxiliary layer is coupled to the cathode layer in the display area; the power line layer is located in the peripheral area, the power line layer comprises a first power line pattern, and the first power line pattern is close to the first side of the display area; and the first power line pattern is coupled to the cathode auxiliary layer.
Patent WO-2021244396-A1 (WO)
Inventor: DUAN XIAODONG
IPC: A61H21/00
Filed: 2021-05-27
Abstract: A capsule apparatus, the capsule apparatus comprising: a housing and a capsule core provided within the housing; the capsule core comprises: a power supply (1), an acceleration sensor (2) which is connected to the power supply (1), a switch (3), an input end of the switch (3) being connected to the power supply (1) and a control end thereof being connected to the acceleration sensor (2), a control part (41) which is connected to a first output end of the switch (3), and a working system (5) which is connected to a second output end of the switch (3); and the capsule core further comprising a single-chip microcomputer (4), the control part (41) being integrated within the single-chip microcomputer (4), and the output ends of the switch (3) being connected to the single-chip microcomputer (4). The first output end and the second output end of the switch (3) are connected to the control part (41) and the working system (5) respectively, such that the acceleration sensor (2) can control the powering on and off of the control part (41) and the working system (5) according to different states. Thereby, only the acceleration sensor (2) is needed to be able to change the working state of the capsule apparatus, without the assistance of an external device, such that use is more convenient.
Patent WO-2021239071-A1 (WO)
Title: Cultivation method for improving yield of microalgae triacylglycerol (tag) and application thereof
Inventor: ZHANG PENG
IPC: C12N15/31
Filed: 2021-05-27
Abstract: Provided are a functional gene affecting the synthesis of triacylglycerol (TAG), a cultivation method capable of effectively improving the yield of microalgae TAG, and a combined application thereof in effectively improving the yield of microalgae TAG. Gene NobZIP77 affecting the synthesis of TAG has 1) a base sequence represented by SEQ ID NO 1, or 2) a DNA sequence having more than 95% homology with and encoding the same biologically functional protein as a nucleic acid sequence defined by sequence 1 in a sequence table. The knockout of the gene can significantly improve the TAG syntehsis ability of Nannochloropsis oculate. In addition, the combination of the genetic engineering and cultivation method can improve the TAG yield of Nannochloropsis oculate. Therefore, the method has application potentials in both the bioenergy industry and health product industry.
Patent WO-2022246782-A1 (WO)
Title: Method and system of detecting and improving real-time mispronunciation of words
Inventor: LI RUNNAN
IPC: G10L15/22
Filed: 2021-05-28
Abstract: A method, a system and a non-transitory computer readable medium for enhancing pronunciation during a speech, the method may include: receiving audio data, the audio data including a speech (S510); performing at least one of acoustic scoring and language scoring on the speech (S520); determining a pronunciation score of one or more words of the speech based on the acoustic scoring and the language scoring (S530); determining that the pronunciation score for the word does not satisfy a threshold score (S540); responsive to determining that the pronunciation score does satisfy the threshold score, identifying the word as mispronounced (S550); and responsive to identifying the word as mispronounced, outputting the word and the pronunciation score thereof (S560).
Patent WO-2021254358-A1 (WO)
Inventor: XU HUA
IPC: H04W8/24
Filed: 2021-06-16
Abstract: Un équipement utilisateur (UE) amélioré est formé par de multiples UE dans un réseau de communication sans fil afin d'aider l'un des multiples UE à communiquer, et implique la coopération des UE entre les multiples UE. Une capacité, ou au moins une capacité, de l'UE amélioré est une capacité améliorée par rapport à une capacité de l'UE que l'UE amélioré doit aider. Des informations qui indiquent la (au moins une) capacité de l'UE amélioré sont obtenues par un dispositif réseau, et le dispositif réseau communique avec l'UE amélioré après l'obtention des informations. À partir d'un côté UE, des informations indiquant une capacité, ou au moins une capacité, associée à l'UE amélioré sont transmises, et l'UE communique avec le dispositif réseau après la transmission des informations.
Patent WO-2022205670-A1 (WO)
Inventor: LU JINGWEN
IPC: H01L21/8242
Filed: 2021-07-13
Abstract: Embodiments of the present application relate to the technical field of semiconductors, and provide a semiconductor structure and a method for manufacturing the semiconductor structure, used for solving the technical problem that parasitic capacitance and electric leakage are easily generated between second conductive blocks and bit lines. The semiconductor structure of embodiments of the present application comprises a substrate, bit line structures, and capacitor connection lines; the plurality of bit line structures are provided on the substrate; contact holes are formed between adjacent bit line structures; the capacitor connection lines each comprise a first conductive block and a second conductive block; the first conductive blocks and the second conductive blocks are sequentially filled in the contact holes; the top ends of the first conductive blocks are provided with chamfer structures; the chamfered structures are adjacent to the bit line structures; and the bottom ends of the second conductive blocks match the chamfer structures. In the semiconductor structure of embodiments of the present application, the distance between the second conductive blocks and the bit line structures is increased, thereby preventing parasitic capacitance from being generated between the second conductive blocks and the bit line structures, preventing electric leakage, and improving performance of the semiconductor structure.
Patent WO-2022267123-A1 (WO)
Title: 显示装置
Inventor: TANG JIALIANG
IPC: G09F9/30
Filed: 2021-07-19
Abstract: 一种显示装置，其包括：相对设置的显示部(11)和绑定部(13)、以及连接显示部(11)与绑定部(13)的弯折部(12)；支撑层(20)，包括靠近弯折部(12)一侧的第二支撑部(22)；缓冲部(30)，设置于第二支撑部(22)上；其中，弯折部(12)包括弯折子部(121)，缓冲部(30)沿第一方向(X)上的长度大于或等于弯折子部(121)任一位置沿第一方向(X)上到第一平面(A)的距离，且第一方向(X)为沿显示部(11)的厚度方向。
Patent WO-2023000173-A1 (WO)
Title: 无线通信的方法、终端设备和网络设备
Inventor: XU WEIJIE
IPC: H04W72/04
Filed: 2021-07-20
Abstract: 一种无线通信的方法、终端设备和网络设备，有利于保证终端设备通过合适的下行信道和/或上行信道与网络设备进行通信，该方法包括：终端设备确定用于接收下行信号的目标下行信道，和/或，确定用于发送反向散射信号的目标上行信道。
Patent WO-2022022471-A1 (WO)
Inventor: PAN QI
IPC: H04N21/235
Filed: 2021-07-26
Abstract: A media stream switching method and apparatus. The method comprises: an access network device receiving feature information of a first live broadcast media stream comprised in a switching request from a terminal device; and according to the feature information, the access network device or a user plane network element determining the first live broadcast media stream corresponding to the feature information of the first live broadcast media stream, such that the access network device or the user plane network element switches a media stream sent to the terminal device, i.e. switches a live broadcast media stream, which is sent to the terminal device, from a second live broadcast media stream to the first live broadcast media stream, wherein the second live broadcast media stream and the first live broadcast media stream both correspond to the access network device or the user plane network element. By means of the method, the switching of a media stream can be completed at an access network device side or a user plane network element side, which is conducive to switching a media stream in a timely manner, and to reducing the switching delay of the media stream.
Patent WO-2022116562-A1 (WO)
Inventor: EBRAHIMZAD HAMID
IPC: H04L1/00
Filed: 2021-07-27
Abstract: Systems, structures, and methods are disclosed to encode and decode information for transmission across a communication channel. The method includes dividing the information between m parallel polar codes such that each of the m parallel polar codes includes a plurality of information bits, and splitting the information bits in each of the m parallel polar codes into a private part and a public part. The public part includes an information section and a repetition section, wherein the information bits of the public part are arranged in the information section. Bits in the information section of the public part of each of the m parallel polar codes are repeated in the repetition section of the public part of at least a second one of the m parallel polar codes.
Patent WO-2022028494-A1 (WO)
Inventor: YU NENGGUO
IPC: G06F40/166
Filed: 2021-08-04
Abstract: 一种多设备数据协作的方法及电子设备，应用于包括第一电子设备和第二电子设备的系统，响应于作用于第二电子设备的第一文档编辑应用上的第一操作，第二电子设备显示第一文档编辑应用的第一文档编辑框；第二电子设备发送第一通知消息至第一电子设备，第一电子设备显示第一提示框，第一提示框包括以下至少一项：第一提示信息和第一控件；第一提示信息用于提示用户是否开启与第二电子设备的数据协作；第一电子设备响应于对第一控件的操作，显示数据协作界面；第一电子设备接收用户语音输入并转换为文字，响应于第二用户操作，向第二电子设备发送第一文本数据，在第一文档编辑框上显示第一文本数据。
Patent WO-2023004882-A1 (WO)
Title: Liquid crystal display device
Inventor: XIAO GUANGXING
IPC: G09G3/34
Filed: 2021-08-10
Abstract: A liquid crystal display device, the liquid crystal display device comprising: a display panel (20); one frame of a display image of the display panel (20) corresponds to a plurality of scanning periods of a backlight source (10); within the plurality of scanning periods, any one backlight partition (100) has a light emitting diode array which has a first brightness (30) and a second brightness (40) when controlled by a timing controller; the first brightness (30) is less than the second brightness (40), and, within each scanning period, the timing controller controls a light emitting diode array of at least one backlight partition (100) to be at the first brightness (30).
Patent WO-2022257264-A1 (WO)
Title: Vision-based standard part detection device and detection method
Inventor: YANG JING
IPC: B07C5/10
Filed: 2021-08-11
Abstract: The present invention belongs to the technical field of automatic detection, and provides a vision-based standard part detection device and detection method. The vision-based standard part detection device comprises a transverse detection mechanism (3), clamping mechanisms (4), vertical detection mechanisms (5) and a classification mechanism (6), wherein the transverse detection mechanism (3) detects opposite faces of a standard part, and cooperates with the clamping mechanisms (4); the clamping mechanisms (4) clamp the standard part on the transverse detection mechanism (3), and rotate below the vertical detection mechanisms (5) by means of a rotation table (2); the plurality of vertical detection mechanisms (5) respectively detect other faces of the standard part; and the classification mechanism (6) cooperates with the clamping mechanisms (4), picks up the standard part located on the clamping mechanisms (4), and classifies whether same is qualified. By means of the vision-based standard part detection device and detection method, at least six faces and mapping data of special faces can be effectively detected and analyzed, and grade classification can also be carried out at the same time. Therefore, batch detection and classification are realized by using the cooperation between a conveying mechanism thereof and a plurality of clamping mechanisms (4).
Patent WO-2023279473-A1 (WO)
Inventor: LI CHAOHUI
IPC: C08J7/054
Filed: 2021-08-12
Abstract: An anti-fog easily-removed coating film, comprising: a BOPE base material, and an anti-fog agent coating applied on the BOPE base material; the anti-fog agent coating is prepared from raw material comprising the following components: 8-12wt% of acrylic acid-grafted modified polyester polyol; 2.5-3.2wt% of hexamethylene diisocyanate; 3-5wt% of acetone; 3-5wt% of dimethylol propionic acid; 1.5-3.5wt% of a sodium salt of 3-allyloxy-2-hydroxy-1-propanesulfonic acid; 2.0-3.0wt% of isopropanol; 2.0-3.5wt% of ethylene glycol; 0.5-1.0wt% of an initiator; 0.5-0.8wt% of a catalyst; 1.7-3.5wt% of a release agent; and 65-80wt% of water. The anti-fog easily-removed coating film uses the BOPE base material and the anti-fog agent coating having components in the specified quantities to achieve good overall interaction, and can have good heat-sealing strength with a PE box. In addition, it has the advantages of easily-removed sealing, high transparency, low cost, and good cold and hot anti-fog effects, and meets the environmental protection requirement of recycling the same material.
Patent WO-2022042478-A1 (WO)
Inventor: LYU SHIWEN
IPC: A61B17/12
Filed: 2021-08-23
Abstract: 一种应用在瓣膜假体(1)上的防脱锚定机构(2)，包括瓣膜假体(1)、推送装置(3)和防脱锚定机构(2)，瓣膜假体(1)包括瓣膜缝制段(11)和锚定区域(13)，防脱锚定机构(2)包括锚定件(21)和防脱件(22)，锚定件(21)一端和防脱件(22)的一端连接，推送装置(3)推动防脱锚定机构(2)并使得锚定件(21)的另一端穿过锚定区域(13)与心脏组织配合连接，进一步推动防脱锚定机构(2)时，防脱件(22)的另一端穿过锚定区域(13)后折回并最终与锚定区域(13)形成两个或多个连接点；锚定件(21)穿过锚定区域(13)与心脏组织配合连接，使得瓣膜假体(1)被固定在心内，同时防脱件(22)穿过锚定区域(13)后最终与锚定区域(13)连接，使得防脱锚定机构(2)被锁定在锚定区域(13)上，避免锚定件(21)相对锚定区域(13)发生松动、从锚定区域(13)上脱离的情况。
Patent WO-2022042564-A1 (WO)
Title: Heat exchanger, electric control box and air-conditioning system
Inventor: ZHANG TIEGANG
IPC: F28F1/02
Filed: 2021-08-24
Abstract: Disclosed are a heat exchanger, an electric control box and an air-conditioning system. The heat exchanger comprises: a heat exchange main body comprising a first pipe body and a second pipe body nested with each other, with the first pipe body being internally provided with a plurality of first micro-channels, and the second pipe body being internally provided with a plurality of second micro-channels; and a header pipe assembly comprising a first header pipe and a second header pipe, wherein the first header pipe is provided with a first header channel which is used for providing a first refrigerant flow for the plurality of first micro-channels and/or collecting the first refrigerant flow flowing through the plurality of first micro-channels, and the second header pipe is provided with a second header channel which is used for providing a second refrigerant flow for the plurality of second micro-channels and/or collecting the second refrigerant flow flowing through the plurality of second micro-channels. According to the solution, the size of the heat exchanger is reduced, the heat exchange area between the first pipe body and the second pipe body can be increased, and the heat exchange efficiency of the heat exchanger is improved.
Patent WO-2022042699-A1 (WO)
Title: 用于车辆的泊车方法、车载泊车设备、泊车系统和车辆
Inventor: WANG SHICHAO
IPC: B60W30/06
Filed: 2021-08-27
Abstract: 一种用于车辆的泊车方法、车载泊车设备、泊车系统和车辆，泊车方法包括至少如下步骤：S1：控制车辆从P挡解防；S3：车辆识别用户展示出的手势泊车的手势从而启动手势泊车程序；S5：车辆识别用户展示出的泊入或泊出的手势后实现自动泊车。通过用户展示不同的特定手势，车辆做出相关反应，可以无需识别车位线按照用户的本身意愿进行停车，增加用户的参与感和趣味性，同时解决了因停车不规范而导致驶出驶入困难的问题。
Patent WO-2022048600-A1 (WO)
Title: Antenna structure and electronic device
Inventor: WANG SHEN
IPC: H01Q1/22
Filed: 2021-09-02
Abstract: Disclosed in the present application are an antenna structure and an electronic device, belonging to the technical field of communications. The antenna structure comprises a first antenna and a second antenna. The first antenna comprises a first radiator, a second radiator, a first port and a second port, and the second antenna comprises a third radiator and a third port. A first gap is provided between the first radiator and the third radiator, and a second gap is provided between the second radiator and the third radiator; the first port is connected to the first end of the first radiator close to the first gap, and a second end of the first radiator is grounded; the second port is connected to the first end of the second radiator close to the second gap, and a second end of the second radiator is grounded; the third port is connected to a middle area of the third radiator; and the first radiator and the second radiator are located on two opposite sides of a first symmetry axis respectively.