Shanghai Eastsoft Microelectronics Co., Ltd.

Qingdao Eastsoft Communication Technology Co., Ltd.

Shanghai Haier Integrated Circuit Co., Ltd.

Hoffmann-La Roche Inc.

Shanghai Geometrical Perception and Learning Co., Ltd.

F. Hoffmann-La Roche Ag

Song Pan

Liwei Shen

Guangsheng Chen

Rui Wang

Jian Cui

Yajun Hu

Song Yang

Chungen Liang

Jun Yuan

Jianping Wang

Ruijin Liu

Jianjun Zhang

Dan Xue

Songhua Shi

Xinfei Lu

A method of target feature extraction and multi-target tracking based on 4D millimeter wave radar includes acquiring the point cloud data output from the radar and preprocess the point cloud data to eliminate the outlier value; processing the points acquired after preprocessing by Density-Based Spatial Clustering of Applications with Noise (DBSCAN) clustering; processing each of the acquired clusters for target feature extraction; predicting the existing trajectory is predicted, and the prediction results are globally correlated with the clustering results; based on the correlation clustering results, the corresponding multi-target tracking motion state processing is executed to obtain the transverse pendulum angular velocity; and based on the target motion state, the target size information as well as the heading angle information are updated.

Method of target feature extraction and multi-target tracking based on 4D millimeter wave radar

A method and device for estimating a carrier frequency offset, and a computer-readable storage medium are provided. The method includes: determining a target area where a phase discrimination signal is located, wherein the target area is one of N numbers of candidate areas, the N numbers of candidate areas correspond to different value ranges, an union range of the N numbers of candidate areas is [&#x3c0;, &#x2212;&#x3c0;], and N&#x2265;2; determining a first estimation value of a direct current component corresponding to the phase discrimination signal based on the target area; and performing a carrier frequency offset compensation on the phase discrimination signal based on the first estimation value of the direct current component.

Method and device for estimating carrier frequency offset, and computer readable storage medium

Provided are a sub-carrier estimation method in a multi-carrier communication system and an apparatus. The method includes: receiving a data frame transmitted by a transmitting end, and extracting a training sequence from the data frame; performing fast Fourier transform operation on the training sequence and a preset reference sequence, respectively, to obtain frequency domain data of the training sequence and frequency domain data of the reference sequence, and conjugately multiplying the two kinds of frequency domain data; extracting real part of conjugate multiplication result; averaging values in each column of an M&#xd7;N array, respectively, to obtain an output array of 1 row and N columns; and estimating, according to the value in each column of the output array of 1 row and N columns, whether valid data is transmitted over N sub-carriers corresponding to the output array of 1 row and N columns.

Sub-carrier estimation method and apparatus in multi-carrier communication system

The invention provides novel compounds having the general formula:  wherein R, R, R, X and a are as described in the description and in the claims, as well as or pharmaceutically acceptable salts thereof. The invention also contains compositions including the compounds and methods of using the compounds.

Pyridazones and triazinones for treatment and prophylaxis of hepatitis B virus infection

The invention provides a carrier frequency offset processing method, an apparatus and a receiver. The method comprises: receiving, through a software and hardware interface, an estimated value of frequency offset of a data packet transmitted by an automatic frequency offset control module; collecting the received estimated value of frequency offset of the data packet and performing statistical analysis to obtain a statistical value of carrier frequency offset between a receiving module and a transmitting module; and dynamically adjusting, according to the statistical value of carrier frequency offset, a bandwidth of a low-pass filter through the software and hardware interface. The invention realizes dynamic adjustment of the bandwidth of the low-pass filter in the process of a receiver receiving signals, solving the problem of the impact on processing performance brought by the fixed bandwidth of a low-pass filter in the prior art.

Carrier frequency offset processing method and apparatus and receiver

A receiving circuit, a transmitting circuit, a micro-controller, and a method for power line carrier communication. The receiving circuit includes: an analog amplifier, a receiving filter, an analog-to-digital converter, a digital mixer, a digital filter, and a digital demodulator connected successively. The transmitting circuit includes: a digital modulator, a gain controller, a digital-to-analog converter, a transmitting filter, and a transmitting amplifier connected successively. The micro-controller includes a central processor and the receiving circuit or the transmitting circuit. The method for power line carrier communication can be implemented based on the receiving circuit or the micro-controller. The receiving circuit, the transmitting circuit, the micro-controller, and the method for power line carrier communication provided by present invention solve the defect of supporting only one modulation or demodulation mode in a conventional power line carrier communication system, and can process a power line carrier signal in different modulation or demodulation modes.

Receiving circuit, transmitting circuit, micro-controller and method for power line carrier communication

The present invention provides a micro-controller, a processing method and device for power line carrier signal reception, where the method includes: an analog mixer mixes received power line carrier signals, an analog filter filters the mixed power line carrier signals, an analog-to-digital converter converts the filtered signals, a digital mixer mixes converted signals, a digital filter filters the mixed signals and a digital demodulator demodulates the filtered signals to obtain base band data. The present invention also provides a corresponding device and a micro-controller including the device. The technical solution of the present invention can modulate the carrier signals of any frequency to a fixed frequency through two-stage frequency mixing, so that demodulation of power line carrier signals with any frequency is possible.

Micro-controller, processing method and device for power line carrier signal reception

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Shanghai, China

Song Pan