Sanechips Technology Co., Ltd.

State Grid Corporation of China

Zte Corporation

Beijing Zitiao Network Technology Co., Ltd.

Irdeto B.v.

China Electric Power Research Institute

Zhuhai Ritech Technology Co. Ltd.

State Grid Smart Grid Research Institute Co., Ltd.

Yunpeng Li

Yangzhong Yao

Yi Cai

Wei Ren

Guohua Gu

Yue Wang

Zhensheng Jia

Qiang Li

Jin Zhang

Xiaolu Wang

Guangfu Tang

Zhiyuan He

Nanshan Cao

Yong Huang

Jinzhong Li

Zhe Jiang

Hang Wang

Shan Liu

Licheng Lu

Jianhui Zhou

Hongzhou Luan

Shaowu Wang

Chunming Qie

Zehong Liu

Weiqin Zhou

Xianshan Guo

Shuangxi Li

Fugen Zhang

Zengquan Huang

Shengli Song

Junyi Hou

Yuanliang Huang

A high-voltage bushing includes a conductive rod and an air cooling device. The conductive rod has an air channel therein, and the air channel includes an air inlet and an air outlet. The air cooling device includes at least one fan, and the fan is configured to output air flow, so as to blow the air flow into the air channel through the air inlet.

High-voltage bushing and high-voltage power transmission system

A method for displaying an application page includes: displaying a first page of a first application; determining a function introduction of a first function set, recommended content corresponding to the function introduction of the first function set, a function introduction of a second function set, and recommended content corresponding to the function introduction of the second function set that correspond to the user, the first function set being different from the second function set; and in response to receiving the first operation, displaying a second page, the second page displaying the function introduction of the first function set, the recommended content corresponding to the function introduction of the first function set, the function introduction of the second function set, and the recommended content corresponding to the function introduction of the second function set, the second page being different from the first page.

Application page display method and electronic device

The present disclosure provides a method for estimating a frequency offset, including: extracting sampling points from an input signal according to preset intervals to obtain a plurality of groups of sampling points, with the preset intervals of the groups of sampling points being different; performing processes on a current sampling point and the groups of sampling points to obtain data of arguments of complex numbers corresponding to the preset intervals; and determining an estimation value of a frequency offset of a current input signal according to the data of arguments of complex numbers corresponding to the preset intervals. The present disclosure further provides an apparatus for estimating a frequency offset, an electronic device and a computer-readable medium.

Method and apparatus for estimating frequency offset, electronic device and computer-readable medium

The disclosure provides a stereoscopic vision three dimensional measurement method and system calculating a laser speckle as a texture. The measurement method includes that: a forming process of a laser speckle is simulated first, and calculation is performed to obtain a digitized laser speckle diagram, then the laser speckle diagram is outputted onto a film or a photographic dry plate, the laser speckle diagram on the film or the photographic dry plate is projected onto a surface of a measured object subsequently; a left view and a right view of the measured object are acquired finally, and all matching points corresponding to each other are found in the left view and the right view, and then a three dimensional point cloud of the surface of the measured object is reconstructed.

Stereoscopic vision three dimensional measurement method and system for calculating laser speckle as texture

A clock recovery method is provided. The method has the following operations: performing clock balance pre-filtering on an input time/frequency domain signal according to a self-adaptive balance coefficient input currently, to obtain a balance pre-filtering signal; according to the balance pre-filtering signal, acquiring a phase error of the input time/frequency domain signal; and performing phase adjustment on the input time/frequency domain signal according to the phase error, and outputting a new self-adaptive balance coefficient after self-adaptive balance processing is performed on the phase-adjusted time/frequency domain signal. A clock recovery device and system and a non-transitory computer-readable storage medium are also provided.

Clock recovery method, device and system and computer storage medium

There is provided a method of protecting the execution of a software application, the method performed by a plurality of processes comprising a process for executing the software application and a plurality of protection processes, wherein each protection process in the plurality of protection processes is configured to: monitor a process state of at least one other process in the plurality of processes to determine whether said process state corresponds to a predetermined process state; and perform a predetermined action in response to a determination that said process state corresponds to the predetermined process state; wherein the plurality of protection processes are configured such that a process state of the process for executing the software application is monitored by at least one protection process and a process state of each protection process is monitored by at least one other protection process in the plurality of protection processes. Additionally provided is a computer program and a system for carrying out the method and a computer readable medium for storing such a computer program.

Protecting software application

A chromatic dispersion measurement method is provided. According to the method, chromatic dispersion sequence processing is performed on acquired frequency domain data to obtain chromatic dispersion sequences of frequency domain data. A correlation operation on the obtained chromatic dispersion sequences is separately performed at a preset interval. A sum of obtained correlation values is calculated to obtain a first value. A chromatic dispersion value is determined according to the first value, a frequency value per unit frequency interval of the frequency domain data and the preset interval. In this way, the chromatic dispersion value can be accurately determined, and the processing efficiency is high.

Chromatic dispersion measurement method and device and digital coherent receiver

Disclosed are a chromatic dispersion estimation method and device in optical coherent communication, wherein, the method includes: performing a fast Fourier transform on IQ-imbalance compensated data to obtain frequency-domain data in two polarization directions; calculating autocorrelation sequences of the frequency-domain data and performing an inverse fast Fourier transform on the values of the autocorrelation sequences; calculating modulus squares of the results of the inverse fast Fourier transform, and adding the results in the two polarization directions to obtain; determining a mean value of s of a plurality of data sets; calculating an index of the maximum value of, and estimating a dispersion value of the optical fiber link according to the index of the maximum value of. The abovementioned technical solution allows a significantly accurate and rapid estimation of dispersion values.

Method and device for estimation of chromatic dispersion in optical coherent communication

The present invention relates to a basic function unit of voltage source converter, which is characterized in that the basic function unit includes a switching device function module, a by-pass function module, a switch protection function module, a secondary control and protection function module, and a energy storage unit. The secondary control and protection function module, the energy storage unit and the by-pass function module are all fixed on the motherboard, there is a slide rail at the bottom of the motherboard, the motherboard can move back and forth on the slide rail. The voltage source converter based on that unit is highly modular, insensitive to switch device parameters, lower output voltage change rate, and smaller dv/dt stress of equipment, smaller noise, without filter, convenient installation and maintenance.

Basic function unit of voltage-source converter based on full-controlled devices

Growing community of inventors

Guangdong, China

Yunpeng Li