Huawei Technologies Co., Limited

Boe Technology Group Co., Ltd.

Hefei Xinsheng Optoelectronics Technology Co., Ltd.

Lenovo (beijing) Limited

Beijing Lenovo Software Ltd.

Chinese Academy of Sciences

Huawei Digital Power Technologies Co., Ltd.

Beijing Hili Technology Co. Ltd.

China Academy of Telecommunications Technology

Microsoft Technology Licensing, LLC

Beijing Baidu Netcom Science and Technology Co., Ltd.

Shenzhen Yinwang Intelligent Technologies Co., Ltd.

Chinese Academy of Medical Sciences

Legend Holdings Ltd.

Beijing Institute of Nanoenergy and Nanosystems

Jun Chen

Bin Li

Hui Shen

Ming Lei Zhang

Qicheng Chen

Yalin Liu

Ting Zeng

Yong Xie

Jun Li

Yinggang Du

Peng Liu

Rongdao Yu

Gang Cheng

Hongqiang Luo

Qingpu Wang

Guangjian Wang

Jinlin Wang

Wei Wei

Deshan Miao

Jing Min Xu

Guiyu Zhang

Guojun Xiao

Quanming Li

Lei Zhang

Rong Li

Jian Wang

Jianqin Liu

Gongzheng Zhang

Tao Ma

Xiaodong Xie

Shaohui Sun

Branislav M Popovic

Yang Li

Haifeng Hu

Yuan Yuan Li

Taofeng Xie

Jing Qiu

Huan Liu

Yu Ding

Chen Xu

Jian Yang

Wei Ye Chen

Tsungchieh Kuo

Yongbing Lin

Qing Lu

Anahid Robert Safavi

Guijie Wang

Alberto Giuseppe Perotti

Ming Zhang

Zhanqi Xu

Yongfeng Liu

Chunmei Liu

Lingfang Wang

Weining Qi

Xianlin Ding

Haojiang Deng

Xiaozhou Ye

Bibo Wang

Pengyu Zhang

Jingjing Huang

Weijie Ma

Xiaowei Hui

Kefeng Li

James Wang

Youting Zhang

Ke Ke

Yadong Qu

Hong Chen

Jie Jin

Yan Xia

Juntao Chen

Qianying Wang

Zhi Du

Shifeng Peng

Hongbing Liu

Xu Jia

Zhongzheng Yang

Chao Lu

Xinru Hou

Zhonglin Wang

Yuanyi Zhang

Cui Chen

Jianhui Hou

Xinsheng Peng

Hao Wu

Shaobo Yang

Qianfu Cheng

Haifeng Huang

Fei Bian

Chong Li

Zhuqiang Wang

Guang Zhu

Mei Yu

Long Lin

Zhisheng Lian

Shichao Fei

Gaoge Wang

Shenghong Lu

Faming Sun

A motor, a powertrain, and a device. A plurality of first oil channels are formed between an inner surface of a housing and an outer surface of a stator core, second oil channels are formed at groove roots of coil slots of the stator core, to form double-layer oil channels at the outer surface of the stator core and the root of the coil slot of the stator core, and ensure effective cooling of the stator core and a coil winding. After cooling oil is injected from an oil filling port, a flow direction of the cooling oil in some of the second oil channels is opposite to that of cooling oil in a remaining second oil channel, so that interleaved reverse flows are implemented, and axial temperature of the stator core and the coil winding is more even.

Motor, powertrain, and device

A heat dissipation apparatus and a photovoltaic inverter are related to the field of heat dissipation device technologies, to improve a heat dissipation capability of the heat dissipation apparatus. The heat dissipation apparatus includes at least two stacked fan layers, and each fan layer includes at least one fan. A heat dissipation channel in a radiator has a first inlet, and the first inlet communicates with each air exhaust vent in at least one fan layer by using an air duct component. Compared with a solution in which fans are arranged along a width direction of the radiator, the at least two fan layers are stacked, which may not be limited by a width of the radiator. More fans can be arranged in a hierarchical stacking manner, and more fans can increase an overall amount of exhausted air, thereby improving the heat dissipation capability of the heat dissipation apparatus.

Heat dissipation apparatus and photovoltaic inverter

The present disclosure relates to positioning methods, systems, and apparatuses. One example method includes receiving, by a server, a first message from a first terminal device, where the first message includes first location information determined by the first terminal device, determining, by the server, a first reference object based on the first location information, and sending, by the server, a second message to the first terminal device, where the second message includes identification information of the first reference object, and the identification information of the first reference object is used by the first terminal device to update the first location information.

Positioning method and system, and apparatus

A method and apparatus for verifying accuracy of a judgment result, an electronic device and a computer readable storage medium are provided. The method may include: acquiring user description information and a judgment result corresponding to the user description information; extracting at least one descriptive element from the user description information; determining a matching degree between each of the at least one descriptive element and the judgment result using a preset verification model to obtain each actual matching value respectively; the verification model being obtained by training based on a term frequency-inverse document frequency relationship between the descriptive element and the judgment result; and determining the descriptive element having the actual matching value exceeding a preset matching value as a first element, and determining accuracy of the judgment result based on the number of the first element.

Method and apparatus for verifying accuracy of judgment result, electronic device and medium

A heat exchanger includes a vapor collection pipe, a liquid collection pipe, and an exchange pipeline. The exchange pipeline includes a condensing section, an evaporation section, and a transition section. An upper end of the condensing section is connected to the vapor collection pipe. A lower end of the condensing section is connected to a first end of the transition section. An upper end of the evaporation section is connected to a second end of the transition section. A lower end of the evaporation section is connected to the liquid collection pipe. The evaporation section and the condensing section respectively extend in directions opposite to each other.

Heat exchanger, cabinet, and communications base station

A power adapter includes a housing, a circuit board component, and a heat dissipation air duct. The housing has an air inlet and an air outlet, the circuit board component is located inside the housing, the heat dissipation air duct is located in the housing and/or a spacing area between the housing and the circuit board component, the heat dissipation air duct surrounds the circuit board component and is connected to the air inlet and the air outlet, and the heat dissipation air duct is configured to dissipate heat from the housing and/or the circuit board component.

Power adapter

A decoding system, a decoding controller, and a decoding control method are provided. In the decoding system, a decoding controller is disposed between two adjacent decoders. The decoding controller determines whether to perform turn-off based on a non-turn-off indication received by a previous-stage decoder, a turn-off indication output by the previous-stage decoder, and historical turn-off probability statistics. This is equivalent to adding a buffer zone between the two adjacent decoders.

Decoding system, decoding controller, and decoding control method

A polarization reconfigurable apparatus, a communications device, and a polarization reconfiguration method, the apparatus including a signal generation unit, a signal adjustment unit, a digital-to-analog conversion unit, and a transmission unit that are sequentially connected. A signal transmitted by a first port in the transmission unit is orthogonal to a signal transmitted by a second port in the transmission unit. The signal generation unit is configured to generate a first signal. The signal adjustment unit is configured to determine a polarization mode of a to-be-transmitted signal, divide the first signal into two first signals, and adjust an amplitude and a phase of a 1first signal and an amplitude and a phase of a 2first signal based on the determined polarization mode.

Polarization reconfigurable apparatus, communications device, and polarization reconfiguration method

This application provides methods and apparatuses for uplink timing synchronization. The method includes: determining, based on beam information of a first beam and ephemeris information of the satellite base station, an uplink timing frame number of a first cell corresponding to the first beam; determining timing information of a first terminal device in the first cell based on the uplink timing frame number of the first cell, where the timing information is used to indicate a timing advance or a timing lag; and outputting the timing information.

Method and apparatus for uplink timing synchronization

This application discloses an adaptive transmission method for satellite communication. First, a receive end determines a redundancy version index; second, the receive end feeds back a redundancy version index signal to a transmit end; then, the transmit end receives the redundancy version index fed back by the receive end, and performs operations such as demodulation and decoding on the redundancy version index signal, to obtain the redundancy version index; and then, the transmit end obtains a corresponding redundancy version combination based on the obtained redundancy version index; and finally, the transmit end selects a proper diversity mode for transmission based on the obtained redundancy version combination.

Adaptive transmission method for satellite communication, apparatus, and system

A method for propagating a movement event message of a network entity, including: step 1) a network device maintaining a historical forwarded information list, wherein a network device capable of receiving a movement event message from an external system or device maintains an uplink port information table; step 2) after receiving the message, the network device performs matching using the table to obtain a forwarding port and forwarding information of the message, and constructs a movement event forwarding message using the information and forwards through the forwarding port; and step 3) after a device receives the message, searching for a matching forwarding port and forwarding information of the message in the information list, modifying the message using the forwarding information, and forwarding the modified message through the forwarding port. The method is able to propagate a movement event message to a network device responsible for related data transmission and forwarding.

Method for propagating movement event message of network entity

This application provides a rotor of a motor, including: a rotating shaft, provided with at least one first liquid outlet; a first end plate, disposed on an outer wall of the rotating shaft and perpendicular to the rotating shaft, where an inlet of at least one third passageway is provided on the first end plate; a second end plate, disposed on the outer wall of the rotating shaft and perpendicular to the rotating shaft, where an outlet of the at least one third passageway is provided on the second end plate; and a plurality of lamination sheets, disposed between the first end plate () and the second end plate, where at least one second through hole on each of the plurality of lamination sheets forms the at least one third passageway.

Rotor of motor and automobile

This application provides an example satellite, an example terminal device, an example satellite communication system, and an example satellite communication method. One example satellite communication method includes obtaining, by a first satellite, at a media access control (MAC) layer, data and/or signaling, where the first satellite is a low orbit satellite. When MAC-layer first processing needs to be performed on the data and/or the signaling, performing, by the first satellite, the MAC-layer first processing on the data and/or the signaling. The MAC-layer first processing includes at least one of hybrid automatic repeat request (HARQ) function processing or random access (RA) function processing.

Satellite, terminal device, satellite communication system, and satellite communication method

Disclosed in an embodiment of the present invention are a polar code encoding method and device, the method comprising: utilizing a common information bit set to represent each of m polar code blocks, the polar codes in each polar code block having the same code length and different code rates, and m being greater than or equal to 2; according to the common information bit set corresponding to the polar code block, acquiring an information bit set corresponding to each polar code in the polar code block; and according to the information bit set corresponding to each polar code in the polar code block, conducting polar code encoding on information to be encoded, thus reducing polar code representation overhead, and solving the problem in the prior art of excessively high polar code representation overhead.

Polar code encoding method and device

A data processing method and a data processing apparatus are provided to reduce a bit error rate of a wireless communications system and improve transmission performance of the wireless communications system. The method includes: mapping L to-be-sent bits to L bit locations included in at least one modulation symbol, where the L to-be-sent bits include at least one bit field, a bit in a bit field having a high priority is preferentially mapped to a bit location that is of the at least one modulation symbol and that has a high reliability level, the at least one bit field is at least one of an information bit field, a first parity bit field, and a second parity bit field; and outputting the at least one modulation symbol.

Wireless communication data processing method and apparatus for reducing bit error rate

Growing community of inventors

Beijing, China

Jun Chen