Tencent Technology (Shenzhen) Company Limited

Huawei Technologies Co., Limited

Delta Electronics (Shanghai) Co., Ltd

Autel Robotics Co., Ltd.

Future Wei Technologies, Inc.

The Hong Kong University of Science and Technology

Johnson Electric S.a.

Shenzhen University

National Engineering Research Center of Advanced Energy Storage Materials (Shenzhen) Co., Ltd

Shenzhen Coeus Technology Co, Ltd.

Tantz Environmental Technologies Ltd.

China Mobile Information Technology Co., Ltd

Hong Liu

Yuanjiang Peng

Shiqun Gu

Yue Li

Ning Liu

Xingping Long

Guoming Chen

Wenjun Ou

Cheng Lu

Chao Peng

Baihui Song

Xiaojun Hu

Sanyuan Ouyang

Jian Wu

Weiqiang Zhang

Hongyang Wu

Jing Liu

Lu Wang

Yefeng Zheng

Kai Ma

Haomian Zheng

Jun Xia

Wenfei Hu

Dong Wei

Hongquan Sun

Yuexiang Li

Wangsheng Xie

Wendou Zhang

Feng Ding

Muyong Cao

Dan Wang

Liming Zhao

Min Sun

Donghuan Lu

Ling Shi

Hongying Zhang

Zhuanpeng Cheng

Jinghua Zhu

Dongming Li

Shuangfu Wang

Guo Ji Zhang

Liansheng Wang

Wen Zhang

Xiaoming Wu

Yong Lu

Yinfeng Wu

Qianyuan Liu

Gongyun Long

Kam Fung Cheng

Guan Lei Jiang

Xiao Feng Chen

Xiaoshen Li

Yongzhi Huang

Shun Hua Hu

Kaishun Wu

Gui Nan Zhou

Fa Ping Zhong

Xiong Wang

The disclosure discloses a power supply system and a power supply method. The power supply system includes a first sub-system including at least two first power supply devices and a first load, the first power supply devices for powering the first load; a second sub-system including a second power supply device and a second load, the second power supply device for powering the second load; and a connection unit configured to control electrical connection or electrical disconnection between the first power supply devices and the second load; wherein power supply availability of the first sub-system is higher than power supply availability of the second sub-system. The disclosure provides more power supply availabilities through few types of power supply structures, which facilitates application scenarios such as data center to flexibly adjust the power supply structures according to business, and save cost.

Power supply system and power supply method

A computer device performs feature extraction on two-dimensional medical images included in a three-dimensional medical image, to obtain image features corresponding to the two-dimensional medical images. The three-dimensional medical image are obtained by continuously scanning a target tissue structure. The computer device determines offsets of the two-dimensional medical images in a target direction based on the image features. The computer device performs feature alignment on the image features based on the offsets, to obtain aligned image features. The computer device performs three-dimensional segmentation on the three-dimensional medical image based on the aligned image features, to obtain three-dimensional layer distribution of the target tissue structure in the three-dimensional medical image.

Method and apparatus for performing layer segmentation on tissue structure in medical image, device, and medium

The present disclosure discloses a resonant converter, and a controlling method thereof. The resonant converter includes a transformer including a primary winding and a secondary winding, a primary circuit electrically connected to the primary winding and receiving an input voltage, and a secondary circuit electrically connected to the secondary winding and outputting an output voltage. The secondary circuit includes a first secondary half-bridge including a first controllable switch and a second secondary half-bridge including a second controllable switch connected in parallel. The first and second controllable switches are arranged diagonally. The method includes: controlling a duty ratio of one of the first controllable switch and the second controllable switch in a first switching period to form a first short-circuited loop during a first interval during; and controlling a duty ratio of the other one in a second switching period to form a second short-circuited loop during a second interval.

Resonant converter, and controlling method for the same

The invention provides a low-power wide area network integrated sensing and communication method based on channel sensing and reinforcement learning, and the method comprises the steps: receiving an uplink signal transmitted by a terminal node through a gateway receiver, demodulating the uplink signal through employing a soft demodulation algorithm, and obtaining a bit log-likelihood ratio; the deep reinforcement learning model completes channel reconstruction of the corresponding link during communication according to the bit log-likelihood ratio; and calculating the current optimal network configuration according to the reconstructed channel so as to distribute the current optimal network configuration to each terminal node during next downlink transmission. According to the method, the key environment information is mined by using the deep reinforcement learning model, so that the gateway can allocate optimal network configuration to different terminal nodes according to the current network environment condition, and the decoding capability of the gateway is improved.

Low-power wide area network integrated sensing and communication method based on channel sensing and reinforcement learning

A method for controlling a power module includes: configuring N cells in cascade connection, where N is a positive integer equal to or greater than 2, each cell comprising a bidirectional switching unit and a non-controlled rectifier bridge, the bidirectional switching unit being connected to central points of two bridge arms of the non-controlled rectifier bridge; controlling each cell to operate in one of three operating modes of a modulation mode, a bypass mode and a non-controlled rectifying mode, wherein in the N cells, m1 cells operate in the bypass mode, where 0≤m1≤M1, m2 cells operate in the non-controlled rectifying mode, where 0≤m2≤M2, m3 cells operate in the modulation mode and can realize power factor correction, where 0<m3; wherein m1+m2+m3=N, M1 is the allowable number of cells for bypass in the system, and M2 is the allowable number of cells for non-controlled rectification in the system.

Power module and method for controlling the same, three-phase power system and method for controlling the same

The disclosure relates to technology for determining stress on integrated circuits. These include using ring oscillators formed on the integrated circuit, where one ring oscillator has its frequency dependent on the current flowing through its stages being limited by its NMOS devices and another ring oscillator has its frequency dependent on the current flowing through its stages being limited by its PMOS devices. This allows the stress on the integrated circuit to be determined in different directions along the integrated circuit. A temperature sensor can be used to compensate for temperature dependence on the frequencies of the ring oscillators.

Complementary ring oscillators to monitor in-situ stress within integrated circuits

A method for controlling a power conversion system includes: configuring a carrier period of the power modules, and configuring a phase shift of carrier waves of the adjacent power modules to be 2&#x3c0;/N; selecting M power modules to operate within the carrier period, where O&#x2264;M&#x2264;N, and providing a modulation wave to the power modules, an amplitude of the modulation wave being A/N of a carrier peak of the carrier waves; and comparing the value of the modulation wave with a value of the carrier wave of each of the power modules, respectively, wherein, when the value of the modulation wave is greater than the value of the carrier wave, the corresponding power module runs; when the value of the modulation wave is less than or equal to the value of the carrier wave, the corresponding power module stops.

Control device for power conversion system and its control method

An integrated circuit package and a system including the integrated circuit package as well as a process for assembling the integrated circuit package are provided to improve integrated circuit power delivery. The integrated circuit package includes a first die having a plurality of pads formed in the first die and exposed on a top surface of the first die, at least one post on the first die, and a substrate including one or more redistribution layers. Each post in the at least one post spans at least two pads on the first die utilized for power distribution, and the first die is connected to the substrate via the at least one post.

Merged power pad for improving integrated circuit power delivery

The present invention provides a data transmission method, apparatus and system. The method includes: in a detection period, receiving a first pilot signal sent by an unmanned aerial vehicle (UAV), the first pilot signal being a downlink signal obtained by modulating a useful signal at a preset candidate frequency, and the preset candidate frequency including a frequency in a same frequency band and/or different frequency bands; determining a downlink operating frequency from the preset candidate frequency according to the first pilot signal; sending a first feedback signal to the UAV, the first feedback signal including information about the downlink operating frequency; and receiving downlink data sent by the UAV and modulated at the downlink operating frequency. In this way, frequency detection in a same frequency band and/or across frequency bands is implemented to select an optimal preset candidate frequency as an operating frequency, so that data transmission between a UAV and a remote control is more stable, interference from an external signal is reduced, and quality of data transmission between the UAV and a ground end is improved.

Data transmission method, apparatus and system

The present invention discloses an unmanned aerial vehicle control system and an implementation method therefor, a ground control device and a relay station, where the unmanned aerial vehicle control system includes an unmanned aerial vehicle and a ground control device, and further includes one or more relay stations in communication connection with the ground control device through a local area network or the Internet, the ground control device being configured to send a control instruction to control the unmanned aerial vehicle, and the relay station being configured to: when satisfying a preset condition, receive the control instruction sent by the ground control device, and send the control instruction to the unmanned aerial vehicle.

Unmanned aerial vehicle control system and implementation method therefor, ground control device and relay station

A tobacco heater with straight through heating tube, comprising a housing with a replaceable battery and a control PCB board; the housing has a mouthpiece; each side of the housing is hinged with an openable seagull door; inside the door is a heating tube at the middle housing; between the mouthpiece and the tube is an airflow path; inside each door is a compress tool for blocking the tobacco; the tube is electrically connected to the board. An openable seagull door is hinged on both sides of the housing to block the tube formed on the inner side of the door in the housing middle to form a straight through tobacco heating container. Tobaccos can be quickly and easily loaded by opening the doors, and the heater can be powered on when closed doors; opening doors, the tobacco heating residues can be easily and quickly cleaned after using.

Tobacco heater with straight through heating tube

A wireless communication system and a drone system using the wireless communication system are provided. The wireless communication system includes a first communication module and a second communication module. The first communication module transmits a same signal in a first frequency band and a second frequency band respectively by means of power splitting and frequency conversion, the first frequency band being different from the second frequency band. The second communication module separately receives the signal transmitted by the first communication module in the first frequency band and the signal transmitted by the first communication module in the second frequency band, and converts the received signal of the second frequency band into the signal of the first frequency band through frequency conversion, and performs diversity reception with the received signal of the first frequency band. The present utility model can effectively avoid interference of a single frequency band, to improve the reliability of communication.

Wireless communication system and drone system using the wireless communication system

Embodiments of the present invention disclose a service optimization method, a transport controller (TC), a client controller (CC), and a service optimization system. The method includes: receiving, by a TC, an optimization request from a CC; sending, by the TC, an answer message to the CC when determining that an idle resource in a resource pool can meet an optimization requirement of the CC; receiving, by the TC, an optimization instruction of the CC; and optimizing, by the TC according to the optimization policy in the optimization instruction, the service identified in the optimization instruction. When an idle network resource in the resource pool can meet the optimization requirement of the CC, the TC executes the optimization policy that meets the optimization requirement of the CC, so as to reduce a service interruption phenomenon in a service optimization process.

Service optimization method, transport controller, client controller, and system

A voice processing method and device, the method comprising: detecting a current voice application scenario in a network (S); determining the voice quality requirement and the network requirement of the current voice application scenario (S); based on the voice quality requirement and the network requirement, configuring voice processing parameters corresponding to the voice application scenario (S); and according to the voice processing parameters, conducting voice processing on the voice signals collected in the voice application scenario (S).

Voice processing method and device

Provided are a sound effect processing method and device. The sound effect processing method includes: invoking a pre-loaded plug-in unit manager to acquire a sound effect processing parameter supported by each preloaded sound effect plug-in unit; acquiring a sound effect configuration file pre-configured by the plug-in unit manager; displaying sound effect index identifiers corresponding to various sound effect modes; according to a selected sound effect index identifier, determining a selected sound effect mode, and according to an adjustment interface, acquiring adjusted parameter control data; sending the adjusted parameter control data to a selected sound effect plug-in unit; and invoking the plug-in unit manager to send data to be processed to the selected sound effect plug-in unit, and according to the adjusted parameter control data, conducting sound effect processing on the data to be processed by the selected sound effect plug-in unit.

Sound effect processing method and device, plug-in unit manager and sound effect plug-in unit

Growing community of inventors

Shenzhen, China

Hong Liu