Shenzhen University

Huawei Technologies Co., Limited

Fih (Hong Kong) Limited

Shenzhen Futaihong Precision Industry Co., Ltd.

Agsino Gensources Co., Ltd.

Zte Corporation

Tencent Technology (Shenzhen) Company Limited

Huawei Cloud Computing Technologies Co., Ltd.

Sanechips Technology Co., Ltd.

Scienbizip Consulting(shenzhen)co., Ltd.

Oneplus Technology (Shenzhen) Co., Ltd.

Nuvolta Technologies (Hefei) Co., Ltd.

Shenzhen Shilang Technology Co., Ltd.

Tencent Technology Company Limited

Lei Huang

Qiang Li

Xiaopeng Li

Yue Li

Jiayin Zhang

Wei Zhang

Jin Liu

Qian Wang

Yu Zhang

Tao Li

Huang Huang

Yang Liu

Peichang Zhang

Weize Sun

Mingyang Chen

Tianyao Long

Yulian Mu

Lifang Feng

Jun Liu

Xiaolong Zhang

Yi Tong Wang

Peng Li

Zeng Li

Bo Liang

Jiejing Huang

Yongming Liang

Jian Li

Yuhang Xiao

Xiaohan Chen

Feng Xu

Min Huang

Yuan Zhao

Jie Zhao

Xiao-Liang Wei

Yi Wang

Jingjing Cheng

Shiqi Liu

Zhiliang Zhang

Ling Lin

Jinhui Chen

Zeke Min

Beilei Sun

Liangjun Tang

Zhenhui Wang

Meng Ren Qian

Guangjian Jiang

Enfu Ye

Liwen Chen

Sijia Lai

Xinzhu Chen

Xian Fan

Xiaojie Zou

Peiwen Wu

Yunzhi Geng

Chen Ling

Guanchu Wu

Yongbo Xie

Shi Song

Chaoxi Wang

Wen Tong

Meng Qian

Provided are a lidar three-dimensional (3D) target detection method based on region pillar feature fusion and a system thereof. The method includes: collecting a point cloud data set of a target region and a coordinate thereof, determining a point cloud range and dividing the point cloud range into several sub-regions; calculating a maximum difference of a z coordinate in each sub-region, creating a feature array, and allocating the maximum difference to points in the sub-region to form a pillar feature. According to an area of a target, the allocation number is dynamically adjusted to obtain the target feature. The detection performance of the network for small targets is improved through region attention enhancement feature coding.

Lidar 3D target detection method based on region pillar feature fusion and system thereof

A signal angle and signal frequency estimation method, apparatus, device and storage medium are provided. The signal angle and signal frequency estimation method comprises the steps: collecting initial data of a satellite signal by means of an antenna array element; substituting initial data into a signal function, and finding a solution to obtain the satellite signal; and obtaining the angel and frequency of the satellite signal according to the satellite signal. According to the method, in consideration of the non-Gaussian noise environment as well as spatial domain sparse feature and frequency domain sparse feature of the satellite signal, the angle and the frequency of the satellite signal are estimated jointly, thereby facilitating subsequent obtaining and tracking the satellite signal by a satellite navigation receiver.

Signal angle and signal frequency estimation method, apparatus and device and storage medium

A DoA estimation method and device based on steering vector matrix reconstruction, related to the field of array signal processing. The method includes: obtaining an array sampling covariance matrix according to an array received signal; setting a target variable, and limiting a feasible domain of the target variable by using two operators to determine a first constraint condition; characterizing an estimation error based on the target variable and the array sampling covariance matrix, and using the characterized estimation error as a second constraint condition; establishing an initial optimization model according to a preset norm based on partial sum of singular values and constraint conditions of the target variable; determining a multivariable optimization model according to the initial optimization model; and solving the multivariable optimization model to obtain an optimal result; analyzing the optimal result to obtain a DoA of the target incident signal.

Direction of arrival estimation method and device based on steering vector matrix reconstruction

A method and a device for constructing a redundancy-removed coprime radar array based on one-bit quantization. The method includes obtaining a first sub-array element and a second sub-array element both used for constructing a redundancy-removed coprime radar array, and determining a redundancy-removed coprime array respectively corresponding to the first sub-array element and the second sub-array element by a graph theory method; obtaining target echo data of the redundancy-removed coprime array, and obtaining a target radar array by performing one-bit quantization on the target echo data for completing array cavities of the redundancy-removed coprime array; moreover, before the completing, positions of all non-empty array elements in a redundancy coprime array are used to place radars, and before the completing, the radars are not arranged in positions of empty array elements.

Method and device for constructing redundancy-removed coprime radar array based on one-bit quantization

A one-bit quantization based target tracking method, device, terminal, and storage medium. The method includes acquiring echo data of each radar node in a multi-radar node system for a target; performing one-bit quantization on each echo data to obtain one-bit data; estimating a distance information and a direction of arrival of signal of the target relative to each radar node based on the one-bit data; determining, based on the distance information and the direction of arrival of signal, a position information of the target relative to each radar node; fussing the position information to obtain a tracking point of the target. By adopting one-bit quantization and multi-base site trajectory fusion processing, high-precision detection and tracking of ocean monitoring targets are achieved, which significantly enhances data processing speed and anti-interference capability, while reducing the demand for storage and transmission resources, ensuring reliability and real-time performance in complex environments.

One-bit quantization based target tracking method, device, terminal, and storage medium

A kit for breeding a pig breed with resistance to the porcine transmissible gastroenteritis virus infection and application thereof. The systems includes a genetically edited protein, pAPN-sgRNA-1, pAPN-sgRNA-2, and a donor DNA. Effectively enzymatic cleavage can be made in two target sites of a pAPN gene by the gene editing protein. By replacing the fragment to be site-directed modified located between two target sites with donor DNA, a codon encoding tryptophan at position 737 in pAPN protein can be mutated to a codon encoding alanine, thereby achieving precise mutation of tryptophan to alanine at position 737 in a pAPN protein. The systems can avoid disruption or alteration of the normal expression of other amino acids in pAPN protein, therefore, the present invention maximally retains the physiological activity function of pAPN protein on the basis of resisting TGEV infection.

Kit for breeding a TGEV infection resistant pig and use thereof

The present invention provides a pAPN mutant and a composition for site-directed modification of pAPN gene and application thereof, involving the field of gene editing technology. The mutated pAPN mutant with an alanine at position 734 can maintain its normal expression, while reducing the ability of a host expressing the pAPN mutant to specifically bind to TGEV, which has important scientific and practical significance in pig disease resistance breeding.

pAPN mutant and composition for site-directed modification of pAPN gene and application thereof

Embodiments of this application provide a target user locking method and an electronic device, and relate to the field of electronic devices. The method provided in this application may be applied to an artificial intelligence (artificial intelligence, AI) fitness scenario, and can ensure accuracy of locking a target user. The electronic device may recognize the target user and track the target user in a fitness process by using a method such as recognizing a user feature, recognizing the user with reference to data collected by a wearable device worn by the user, or recognizing a motion mode of the user.

Target user locking method and electronic device

A method, a system and an intelligent terminal for one-bit quantization DoA estimation, which include: when a quantity of far-field and uncorrelated spatial narrow-band source signals are incident from different directions to a uniform linear array receiver, receiving the narrow-band source signals by a quantity of antenna array elements, and the vector and matrix are used to model the received signals by one-bit quantization to obtain a joint probability mass model of one-bit quantization DoA estimation; deriving the joint probability mass model of one-bit quantization DoA estimation, and constructing an lnorm optimization model based on the maximum likelihood principle; solving the steepest descent direction of the optimization model by steepest descent method to obtain the one-bit quantization DoA and the source number.

Method, system, and intelligent terminal for one-bit quantization direction of arrival estimation

A method includes applying a plurality of detection signals to a plurality of receivers, receiving a plurality of echo signals resulted from the plurality of receivers, comparing the plurality of echo signals with a predetermined echo signal distribution pattern, determining the number of the plurality of receivers, and charging the plurality of receivers sequentially using a movable transmitter.

Dual receiver detection apparatus and method for wireless power transfer system

A data migration method and an apparatus are provided. The method is as follows: sending, by a first storage system, a location update request to a location server, where the location update request is used to indicate the location server to update location information of a first bucket from being located in a second storage system to being located in the first storage system; migrating data in a first bucket from the second storage system; receiving a data access request, where the data access request is used to access the data in the first bucket; and determining based on a type of the data access request and a migration status of the data, that the first storage system or the second storage system processes the data access request.

Data migration method and apparatus

Disclosed are a method and an apparatus for game interference processing and a mobile terminal. The method includes: determining whether a SIM card in the mobile terminal is registered in an IMS network when the mobile terminal is in a game mode; sending, by a protocol stack of the mobile terminal, a response message of no expectation to fallback to a network side after receiving a CS paging from the network side, when the SIM card is not registered in the IMS network; and sending, by the protocol stack, to the network side a notification message indicating that the current SIM card does not expect to continue to respond to a CS service when receiving paging of the CS service in the current network from the network side, and controlling the mobile terminal to stay in the game mode all the time.

Method and apparatus for game interference processing, and mobile terminal

Sex toy

The present application relates to the field of communications technologies, and provides an inter-small cell handover method, a device, and a system. When UE is in a coverage hole of a serving small cell, the UE needs to perform synchronous measurement only on each available beam pair in a set of available small cells determined by the UE, thereby reducing a delay of re-accessing a high frequency network by the UE, and improving QoS of receiving a high frequency service by the UE. the present application includes: performing, by UE, synchronous measurement, to determine a set of small cells available for the UE; sending the set of available small cells to a macro base station; when the UE is in a coverage hole of a current serving small cell, receiving, by the UE, a first synchronization indication sent by the macro base station.

Inter-small cell handover method, device, and system

Disclosed are an encrypted communications method and communications terminal. The method comprises: reading from a first NFC security label the encryption algorithm and the index of the encryption algorithm; using the encryption algorithm to encrypt a data packet to be transmitted so as to generate an encrypted data packet; transmitting the encrypted data packet; transmitting the index; the index is configured so that the target communication terminal can obtain the encryption algorithm and decrypt the encrypted data packet. Also disclosed is a computer storage medium.

Encrypted communications method and communications terminal, and computer storage medium

Growing community of inventors

Shenzhen, China

Lei Huang