baber/WOPTO huggingface dataset:
Patent WO-2021008451-A1 (WO)
Inventor: DAI XITAO
IPC: H04L27/00
Filed: 2020-07-10
Abstract: Disclosed in the embodiments of the present application are a Doppler frequency offset estimation method and a communication device. The method comprises: a base station measures the Doppler frequency offset of each of multiple mobile terminals accessing the base station, to obtain the frequency offset value of each mobile terminal; the base station groups the multiple mobile terminals according to the frequency offset value of each of the multiple mobile terminals to obtain multiple groups of mobile terminals; the base station determines a reference frequency offset estimation value or a reference frequency offset interval for each of the multiple groups of mobile terminals; the base station determines, according to the reference frequency offset estimation value or reference frequency offset interval corresponding to each group of mobile terminals, a target frequency offset estimation value corresponding to each mobile terminal in each group of mobile terminals. Hence, the frequency offset estimation value determined by the base station for a mobile terminal having poor signal quality on the basis of relatively accurate reference frequency offset estimation value or reference frequency offset interval is more accurate than the frequency offset estimation value determined on the basis of the frequency offset measurement value of the mobile terminal having poor signal quality.
Patent WO-2021017874-A1 (WO)
Title: Communication method and communication device
Inventor: ZHANG DI
IPC: H04W72/04
Filed: 2020-07-16
Abstract: Provided is a communication method, comprising: acquiring first spatial correlation parameter information, wherein the first spatial correlation parameter information is spatial correlation parameter information of a first target signal, and the first spatial correlation parameter information comprises a resource index of a first reference signal; determining first transmission information according to the resource index of the first reference signal, the first transmission information comprising first antenna panel information and/or a first spatial characteristic parameter; and receiving or sending the first target signal according to the first transmission information. An objective of the communication method and communication device provided in the present invention is to enable a terminal apparatus or a network apparatus to flexibly determine a better spatial characteristic parameter or antenna panel in a beam training process.
Patent WO-2021063099-A1 (WO)
Title: Procédé de photographie et dispositif électronique
Inventor: Jiang Lue
IPC: H04N5/232
Filed: 2020-07-29
Abstract: Des modes de réalisation de la présente invention concernent un procédé de photographie et un dispositif électronique. Le procédé est appliqué à un dispositif électronique qui comprend un écran d'affichage et un appareil photo, et l'écran d'affichage comprend un premier polariseur et un second polariseur, des cristaux liquides étant présents entre le premier polariseur et le second polariseur. Le procédé comprend : l'ajustement de la tension d'électrode d'un écran d'affichage selon une valeur de tension cible, la transmittance lumineuse de l'écran d'affichage satisfaisant une condition prédéfinie lorsque la tension d'électrode de l'écran d'affichage correspond à la valeur de tension cible; et l'acquisition d'une première image au moyen d'un appareil photo.
Patent WO-2021077860-A1 (WO)
Title: Recommendation method and apparatus based on user private data, and medium and system
Inventor: YU CHAO
IPC: G06F16/9535
Filed: 2020-08-10
Abstract: A recommendation method and apparatus based on user private data, and a medium and a system. The recommendation method comprises: sending a user preference label to a cloud end (100), wherein the user preference label comprises a first generalized label after a first label generated based on private data of a user is generalized; receiving a plurality of resource items found, in a resource library and based on the user preference label, by the cloud end (100); and selecting a recommended resource item from the plurality of resource items. An accurate intimate personalized recommendation service can be provided in a more intelligent manner to a user where generalized private data is uploaded, while private data of the user is not uploaded.
Patent WO-2021114779-A1 (WO)
Title: 基于双端发声检测的回声消除方法、装置及系统
Inventor: PAN SIWEI
IPC: H04M9/08
Filed: 2020-09-09
Abstract: 一种基于双端发声检测的回声消除方法、装置及系统，其中，所述方法包括：从声音采集设备获取输入声音信号；对所述输入声音信号进行自适应滤波，得到近端语音估计信号；根据所述近端语音估计信号判定当前的发声状态；获取预设的发声状态与处理方式之间的映射关系，根据所述映射关系获取所述当前的发声状态对应的处理方式；根据所述处理方式对所述近端语音估计信号进行处理；将处理后的近端语音估计信号输出，得到所述输出信号。通过此方法，能够更好地消除回声，提升免提语音通信终端的双工通话体验。
Patent WO-2022007181-A1 (WO)
Inventor: WANG MENG
IPC: D04H1/56
Filed: 2020-09-10
Abstract: 一种熔喷无纺布驻极体添加装置及其添加方法，它包括喷丝板和接收装置，喷丝板内设有熔体通道，喷丝板上设有三角块，三角块底边与喷丝板固定连接，三角块内设有喷丝孔，喷丝孔与熔体通道相连通，三角块左右两侧均设有气刀，两把气刀以喷丝孔为中心呈左右对称分布，气刀顶部与喷丝板之间形成牵伸气流通道，气刀一侧靠近三角块且设有出风口，气刀另一侧远离三角块，气刀靠近三角块一侧与三角块的侧边之间形成气隙，牵伸气流通道一端通过气隙与喷丝孔相连通，牵伸气流通道另一端设有气溶胶发生器和热气流装置，接收装置位于喷丝孔和气刀正下方，喷丝板位于气刀正上方。有益效果是：不会堵住喷丝孔。
Patent WO-2021057505-A1 (WO)
Title: Method and device for determining mapping relationship between tci state and dmrs, and method and device for configuring mapping relationship between tci state and dmrs
Inventor: LI YAN
IPC: H04L5/00
Filed: 2020-09-11
Abstract: Embodiments of the present application provide a method and device for determining a mapping relationship between a TCI state and a DMRS, and a method and device for configuring a mapping relationship between a TCI state and a DMRS. The method for determining a mapping relationship between a TCI state and a DMRS comprises: receiving downlink control information or high-level parameter configuration information; and determining correspondences between N TCI states and M DMRS CDM groups or Y DMRS ports, wherein N, M, and Y are all integers greater than or equal to 1. By determining correspondences between TCI states and DMRS CDM groups or DMRS ports, the embodiments of the present application solve the problem of correspondences between multiple TCI states indicated by DCI received by a terminal and PDSCHs sent by multiple TRPs.
Patent WO-2021047646-A1 (WO)
Title: Substituted imidazoquinoxaline compounds and uses thereof
Inventor: CAI SUI XIONG
IPC: A61P35/02
Filed: 2020-09-11
Abstract: The disclosure provides substituted imidazo [1, 5-a] quinoxaline and related compounds as kinase inhibitors, and their uses. Specifically, the disclosure provides compounds of Formula I, or pharmaceutically acceptable salts thereof or prodrugs thereof, wherein, A  1 -A  3 , Cy and R  1 -R  2  are defined herein. The compounds of Formula I are kinase inhibitors. Therefore, the compounds of the disclosure can be used to treat clinical conditions caused by DDR function defects, such as cancers. (I)
Patent WO-2021052360-A1 (WO)
Title: Permanent packer and extended gas lift method employing permanent packer
Inventor: WANG WEILIN
IPC: E21B33/127
Filed: 2020-09-16
Abstract: A permanent packer and an extended gas lift method employing the permanent packer, the method comprising: S1, when setting a permanent packer, burying an extended gas lift pre-buried pipe (220), the upper end of the extended gas lift pre-buried pipe (220) being closed, the lower end thereof being opened, and a one-way valve (221) through which a fluid may pass from top to bottom being provided therewithin; S2, when extended gas lift is required, lowering a breaking device from a production sleeve pipe, breaking the upper end of the extended gas lift pre-buried pipe (220) such that the upper end and the lower end of the extended gas lift pre-buried pipe are connected (220); and S3, injecting gas into the production sleeve pipe, lifting an accumulated liquid at a shaft bottom up to the ground, and completing extended gas lift. The described method will not influence the sealing performance of the permanent packer, and may completely adapt to requirements for gas well development in the early and intermediate periods. Moreover, extended gas lift may further be achieved without performing well repair in the intermediate and later periods of gas well development. In addition, the costs of implementation are low, and safety is good.
Patent WO-2021052365-A1 (WO)
Inventor: LI SULI
IPC: H01M2/14
Filed: 2020-09-16
Abstract: 本发明提供了一种陶瓷微球、含有该陶瓷微球的隔膜及含有该隔膜的锂离子电池。本发明区别于常规锂离子电池隔膜，主要是采用聚合物包覆的方法，制备热敏阻断锂离子和热敏导通电子两种高安全性性能包覆微球——导电微球和陶瓷微球，并将两种高安全性包覆微球应用在锂离子电池隔膜中，该锂离子电池隔膜具有热敏阻断锂离子和热敏导通两项功能，能有效改善锂离子电池的安全性能。
Patent WO-2021068727-A1 (WO)
Title: Method and device for use in wireless communication
Inventor: ZHANG XIAOBO
IPC: H04W24/10
Filed: 2020-09-18
Abstract: Disclosed are a method and apparatus for use in wireless communication nodes. A first node first receives a first wireless signal and determines a first transmission parameter according to the first wireless signal, then receives a second wireless signal and determines a first receiving quality according to the second wireless signal, and sends a third wireless signal which indicates a first adjusted receiving quality, wherein the first transmission parameter is used for determining a first offset, the first adjusted receiving quality is related to the first receiving quality and the first offset, and the first transmission parameter is related to the distance between the first node and a sender of the second wireless signal. The present application optimizes the measurement result of the receiving quality by establishing relationship between the receiving quality and the distance, thereby improving the efficiency.
Patent WO-2021143183-A1 (WO)
Title: Method for deploying virtual machine, and related apparatus
Inventor: WU ZHILING
IPC: H04L12/24
Filed: 2020-09-21
Abstract: Disclosed are a method for deploying a virtual machine and a related apparatus, which relate to the field of network function virtualization. The method comprises: in the method, a network function virtualization orchestrator (NFVO) device receiving a request of an instantiated NS, wherein the request of the instantiated NS carries an identifier of an NS to be instantiated; the NFVO device acquiring an NS deployment template (NSD) according to the identifier of the NS, wherein the NSD includes a router descriptor (RD); the NFVO device then requesting, according to the router descriptor, a virtual infrastructure manager (VIM) to create a router instance. By means of the present invention, compared with the prior art, in the present application, an NFVO device does not need to complete the deployment of a router instance alone before deploying an NS according to an NSD. Therefore, the deployment flow is simplified, and the NS deployment efficiency is improved.
Patent WO-2022032832-A1 (WO)
Title: Safe replicon system for novel coronavirus sars-cov-2 and application thereof
Inventor: ZHANG HUI
IPC: C12N15/63
Filed: 2020-09-30
Abstract: A safe replicon system for a novel coronavirus SARS-CoV-2 and an application thereof in screening anti-SARS-CoV-2 virus drugs. The safe replicon system specifically comprises a nonstructural protein for encoding a novel coronavirus SARS-CoV-2, 5'UTR and 3'UTR of the novel coronavirus SARS-CoV-2, a transcriptional regulatory area that can be acted upon by the nonstructural protein of the novel coronavirus SARS-CoV-2, and a reporter gene. The safe replicon system for SARS-CoV-2 can perform high throughput screening and drug efficacy verification of anti-SARS-CoV-2 drugs without relying on a biosafety level-3 laboratory, and features simple and convenient operations.
Patent WO-2021143220-A1 (WO)
Title: Liquid connection plug, liquid connection assembly, and device interconnection system
Inventor: PENG HUAN
IPC: F16L29/02
Filed: 2020-10-12
Abstract: A liquid connection plug, a liquid insertion assembly (4), and a device interconnection system. The liquid connection plug comprises: a fixing base (412); connection plug bodies which are fixed to the fixing base (412); a sealing sleeve (5) which is located on one side, close to the front ends of the connection plug bodies, of the fixing base (412), is fitted over the connection plug bodies, has a rear end sealedly connected to the connection plug bodies, and a front end provided with an opening, can move between a first state and a second state in insertion directions of the connection plug bodies with respect to the fixing base (412), and is fitted over the front ends of the connection plug bodies when the sealing sleeve (5) is in the first state, and when the sealing sleeve (5) is in the second state, the front ends of the connection plug bodies being exposed out of the sealing sleeve (5) from the opening; and sealing doors (6) which are provided at the opening, and used for opening the opening before the front ends of the connection plug bodies are exposed out of the sealing sleeve (5) from the opening, and closing the opening after the sealing sleeve (5) is fitted over the front ends of the connection plug bodies.
Patent WO-2022077441-A1 (WO)
Inventor: XU HUILIN
IPC: H04W72/04
Filed: 2020-10-16
Abstract: La présente divulgation concerne des systèmes, des procédés et des dispositifs de communication sans fil qui prennent en charge une utilisation d'un signal RS en mode connecté dans un mode non connecté selon un ou plusieurs aspects. Selon un premier aspect, un procédé de communication sans fil comprend le fonctionnement, d'un équipement d'utilisateur (UE), dans un mode non connecté. Le procédé comprend également la détermination, par l'UE, de paramètres de configuration de signal de référence (RS) pour le mode non connecté. Le procédé comprend la surveillance, par l'UE, d'un signal de référence sur la base des paramètres de configuration de signal RS. Le procédé comprend en outre la réception, par l'UE, d'une transmission de signal RS dans le mode non connecté sur la base des paramètres de configuration de signal RS. D'autres aspects et caractéristiques sont également revendiqués et décrits.
Patent WO-2022077502-A1 (WO)
Inventor: LIU XINRONG
IPC: H01L21/66
Filed: 2020-10-16
Abstract: Embodiments of the present application provide a wafer, relating to the technical field of chips, which can solve the problem that the thickness of an opaque film layer in an incomplete exposure unit cannot be completely monitored and controlled. The wafer comprises a first exposure unit and a second exposure unit; said second exposure unit is located at the outer periphery of said wafer; the number of chips in said second exposure unit is smaller than the number of chips in said first exposure unit; the wafer further comprises: first process monitoring patterns; at least one of said first process monitoring patterns is arranged on the area of each chip in said second exposure unit and/or on the dicing path around each of said chips; the second exposure unit comprises at least two chips.
Patent WO-2022067918-A1 (WO)
Inventor: CAO ZHONGQING
IPC: H02P25/06
Filed: 2020-10-26
Abstract: L'invention concerne un procédé de construction de système de signal non linéaire. Le procédé comprend : l'obtention d'un signal d'excitation, la réalisation d'une transformée de fonction trigonométrique discrète sur le signal d'excitation, et l'obtention d'une fonction de transformée discrète après la transformée de fonction trigonométrique discrète (102); la réalisation d'une expansion en série de fonctions trigonométriques sur la fonction de transformée discrète, et l'obtention d'une expression analytique cible après l'expansion en série de fonctions trigonométriques (104); et le calcul d'une expression harmonique d'ordre élevé du signal d'excitation selon l'expression analytique cible, et selon l'expression harmonique d'ordre élevé, la modélisation d'un système de signal non linéaire correspondant au signal d'excitation (106). Les effets bénéfiques sont : des harmoniques d'ordre élevé du signal d'excitation sont générées sur la base de l'expansion en série de la fonction trigonométrique discrète, de manière à modéliser la sortie du moteur d'un quelconque signal d'excitation, et le processus de modélisation de l'ensemble du signal de sortie est considérablement simplifié.
Patent WO-2021098476-A1 (WO)
Inventor: HOU YUJIA
IPC: H01M10/48
Filed: 2020-10-29
Abstract: A battery module and a device, relating to the technical field of batteries. The battery module comprises a battery single body (1), a circuit board (2), a temperature sensor (5) and a fixing assembly (4); the circuit board (2) is arranged at the top of the battery single body (1) and is electrically connected to the battery single body (1); the temperature sensor (5) is arranged at the top of the battery single body (1) and is used for measuring the temperature of the battery single body (1), and the temperature sensor (5) is electrically connected to the circuit board (2); and the fixing assembly (4) comprises a fixing part (40) and a rotating part (42), the fixing part (40) is fixed to the top of the battery single body (1), and the rotating part (42) is screwed into the fixing part (40) so as to make the temperature sensor (5) pressed on the battery single body (1). The accuracy of temperature acquisition of the battery single body (1) can be improved.
Patent WO-2022000893-A1 (WO)
Title: 一种无稀土元素的3d打印用铝合金
Inventor: WANG GUOWEI
IPC: B33Y70/00
Filed: 2020-10-30
Abstract: 一种无稀土元素的3D打印用铝合金，包括以下重量百分比组分：Mn：2.5％～4.5％，Mg：1.5％～9.5％，余量为Al和杂质元素；或Mn：4.5％～6.0％，Mg：1.5％～7.5％。该合金可以实现优异的强度或塑性，与Al-Mg-Sc-Zr类的铝合金相比，可以节约稀土资源并大幅降低原材料成本。
Patent WO-2022047981-A1 (WO)
Inventor: LIU LI
IPC: G02B13/06
Filed: 2020-10-31
Abstract: An optical camera lens (10) comprises nine lenses in total, namely, from an object side to an image side, a first lens (L1) having a positive refractive power, a second lens (L2) having a negative refractive power, a third lens (L3) having a positive refractive power, a fourth lens (L4) having a negative refractive power, a fifth lens (L5) having a positive refractive power, a sixth lens (L6) having a negative refractive power, a seventh lens (L7) having a positive refractive power, an eighth lens (L8) having a positive refractive power and a ninth lens (L9) having a negative refractive power in sequence, wherein the optical camera lens (10) has a focal length f, the first lens (L1) has a focal length f1, the seventh lens (L7) has an on-axis thickness d13, the on-axis distance from an image side face of the seventh lens (L7) to an object side face of the eighth lens (L8) is d14, and the following relational expressions are met: 2.20 ≤ f1/f ≤ 5.00 and 3.00 ≤ d13/d14 ≤ 15.00. The optical camera lens (10) meets the design requirements of a large aperture, a wide angle, and an ultra-thin thickness, while also having a good optical performance.
Patent WO-2022094795-A1 (WO)
Inventor: TANG XIAOMIN
IPC: G01R31/327
Filed: 2020-11-04
Abstract: 一种通电断路器整体漏电检测装置，包括机架（1），所述机架（1）上设置有漏电检测箱（2），所述漏电检测箱（2）内设置有漏电检测仪（3），所述漏电检测仪（3）通过检测笔针（4）进行漏电检测，所述机架（1）上设置有支撑架（5），所述支撑架（5）上设置有滑块（6），所述滑块（6）在支撑架（5）的组成杆上滑动，所述滑块（6）上设置有伸缩气缸（7），所述检测笔针（4）设置在伸缩气缸（7）的伸缩杆前端，通过伸缩气缸（7）带动检测笔针（4）移动，接触断路器的各个位置。无需人工参与，提高工作效率，设置波纹管护套（8）保护检测笔针（4），并提高检测精度，通过卡夹（11）夹持断路器的不导电部位，对机架（1）的位置进行限定，提高检测位置的准确性和机架（1）的稳定性。
Patent WO-2021098708-A1 (WO)
Title: 通话方法及终端设备
Inventor: ZHANG SHIJIE
IPC: H04M1/72448
Filed: 2020-11-18
Abstract: 本发明实施例提供一种通话方法及终端设备。所述终端设备为第一通话端，所述第一通话端包括语音助手；所述方法包括：在所述语音助手开启的情况下，通过所述语音助手获取目标通话端的第一信息；通过所述语音助手将所述第一信息转化为第二信息；输出所述第二信息；其中，在所述目标通话端为所述第一通话端的情况下，所述第一信息为文本信息，所述第二信息为语音信息；和/或，在所述目标通话端为与所述第一通话端通话的第二通话端的情况下，所述第一信息为语音信息，所述第二信息为文本信息。
Patent WO-2021104183-A1 (WO)
Title: 一种一次性裤型卫生用品的制备方法
Inventor: YANG HONGBO
IPC: A61F13/15
Filed: 2020-11-22
Abstract: 一种一次性裤型卫生用品的制备方法，解决现有技术的裤式卫生用品制备工艺较为复杂、成本较高的问题，另外还解决采用现有技术的制备方法得到的裤式卫生用品外衣物层柔软性差、弹性分布不均匀及使用会产生勒感的问题，包括制备外衣物层、制备吸收体以及将吸收体固设于外衣物层上并将其焊接成裤形结构并分切成单个制品，制备外衣物层外括如下步骤：a、制备弹性无纺布（4）；b、将步骤a制得的弹性无纺布（4）送入激活系统进行激活处理；c、将步骤b制得的弹性无纺布（4）沿纵向方向分切后与纺粘无纺布（5）通过热熔胶或者超声波复合成一体，分切后的各弹性无纺布（4）分别位于纺粘无纺布（5）的纵向两侧并由此制得外衣物层。
Patent WO-2021109937-A1 (WO)
Title: 一种磁流体换热装置
Inventor: LI XIANG
IPC: F28D15/02
Filed: 2020-11-27
Abstract: 本发明公开了一种磁流体换热装置，其包括两条换热管路，所述两条换热管路的同侧一端与冷却管路连通，所述两条换热管路的同侧另一端与换热芯片连通，所述两条换热管路中至少有一条换热管路设置有用于储存磁流体的磁流体储存器，所述换热芯片上设置有热源以及用于产生磁场的磁铁，所述冷却管路上设置有冷却结构。本发明提供的磁流体换热装置具有结构简单，设计紧凑，各组成部分相对独立的优点，方便维护和检修；所述磁流体换热装置具有良好互换性、可以实现模块化、系列化和快速设计；所述磁流体换热装置对工作环境无特殊要求，能够适应各种特殊环境，且换热效率高。
Patent WO-2022104899-A1 (WO)
Inventor: LI YAN
IPC: H01M4/525
Filed: 2020-11-30
Abstract: A preparation method for a positive electrode material for a lithium ion battery, characterized in that a metal salt of a fatty acid is mixed with the positive electrode material for a lithium battery, and a coated positive electrode material is prepared by high-temperature solid-phase reaction sintering. The preparation method provided by the present invention can quickly realize uniform coating of a positive electrode material, enhancing the interface stability of a positive electrode material for a lithium ion battery, thereby enhancing the safety, stability and cycle life of the material and significantly eliminating resistance rise after the use of the battery material.
Patent WO-2021115229-A1 (WO)
Inventor: CHENG HAO
IPC: G06F1/32
Filed: 2020-12-07
Abstract: A method and apparatus for displaying an electronic book, a storage medium and an electronic device. The electronic device comprises an application processor and a co-processor. The application processor is used for: scanning an electronic book to extract the content of the electronic book, and generating display data, sending the display data to the co-processor, and once sending is complete, the application processor enters a sleeping state. The co-processor is used for: saving the display data in a corresponding first cache space, and loading the display data so as to display a corresponding page.
Patent WO-2022036938-A1 (WO)
Inventor: ZHAO YUANYUN
IPC: B82Y40/00
Filed: 2020-12-08
Abstract: A preparation method for and use of a high-purity powder material and a biphasic powder material. The high-purity powder material is prepared by means of atomization comminuting and a phase removal method. In the preparation method, firstly, intermediate alloy powder in which a second-phase matrix covers first-phase particles is prepared by using an atomization comminuting technique. During solidification of the intermediate alloy powder, impurity elements are concentrated to the second-phase matrix, so that the first-phase particles are purified. The second-phase matrix in the intermediate alloy powder is removed, so that a high-purity target powder material consisting of the original first-phase particles can be obtained. The preparation method has the characteristics of simple processes, easy operations and low costs, can prepare various high-purity powder materials comprising nanoscale, submicron-scale and micron-scale materials, and has good application prospects in the fields of catalytic materials, powder metallurgy, composite materials, wave-absorbing materials, sterilization materials, metal injection molding, 3D printing and additive manufacturing, coating, etc.
Patent WO-2021129719-A1 (WO)
Title: 一种多级孔zsm-5分子筛、其制备方法、由其制备的hzsm-5分子筛及分子筛的应用
Inventor: ZHANG LEI
IPC: C01B39/38
Filed: 2020-12-24
Abstract: 提供一种多级孔ZSM-5分子筛及其制备方法，该分子筛包括微孔和介孔，其中微孔的孔径为0.5～1.8nm，介孔的孔径为4～30nm，粒径为0.3～4μm。该分子筛是采用半纤维素作为硬模板剂制备获得的。还提供一种多级孔HZSM-5分子筛，其是用氯化铵溶液对该ZSM-5分子筛进行离子交换后获得的。并提供ZSM-5和HZSM-5分子筛在制备吸音材料中的应用，由分子筛制得的吸音材料和装载有该吸音材料的扬声器。将分子筛制备成吸音颗粒后，可以更有效提高空气分子的吸脱附性能，改善扬声器的低频响应，提高其声学性能，提高吸音颗粒在扬声器中的声学改善稳定性。
Patent WO-2022095251-A1 (WO)
Inventor: YAN BINGJIANG
IPC: B23P25/00
Filed: 2020-12-24
Abstract: 本申请公开了一种超声波无线发射组件及超声波主轴，其包括：发射架，其包括发射部，所述发射部呈非整圆环状，所述发射部的前端面开设有呈非整圆环状的第一容纳槽；以及超声波无线发射单元，其设于所述第一容纳槽内，所述超声波无线发射单元包括发射铁氧体及容置于所述发射铁氧体内的发射线圈；且满足如下函数关系：V2＝K1V1， aa 其中，10≤N≤300，0.02≤S≤2.6，1≤K1≤10，1＜K2≤3，0.4≤K3≤2，K1、K2及K3为修正系数。