Kuang-chi Innovative Technology Ltd.

Kuang-chi Institute of Advanced Technology

Kuang-chi Intelligent Photonic Technology Ltd.

Shen Zhen Kuang-chi Hezhong Technology Ltd.

Dongguan Frontier Technology Institute

Duke University

Elwha LLC

Kuang-chi Cutting Edge Technology Ltd.

Shenzhen Kuang-chi Space Tech. Co. Ltd.

Luoyang Cutting Edge Equipment Technology Ltd

Luoyang Institute of Cutting-edge Technology

Shenzhen Shen Zhen Kuang-chi Hezhong Technology Ltd

Haikou Institute of Future Technology

Kuang-chi Institite of Advanced Technology

Kusng-chi Innovative Technology Ltd.

Ruopeng Liu

Chunlin Ji

Lin Luan

Zhiya Zhao

Yutao Yue

Shasha Zhang

Chaofeng Kou

Linyong Fan

Guanxiong Xu

David R Smith

Jinjin Wang

Guangjin Xiao

Weicheng Xu

Jincai Ye

Xingan Xu

Lowell L Wood, Jr

Roderick A Hyde

Clarence T Tegreene

Jordin T Kare

William David Duncan

Jeffrey A Bowers

John Brian Pendry

David Schurig

Nathan Kundtz

Xudong Wang

Bruce Marshall McWilliams

Jonah N Gollub

Xiaohui Yao

Min Liu

Lu Zhang

Xin Hui Zhang

Kai Wang

Wei Xiong

Zihong Liu

Yi Ding

Wei He

Wenjian Wang

Qing Yang

Xue Li

Shuangshuang Li

Jing Li

Jing Lv

Yang He

Xiang Hu

Dong Wei

Xin Tang

Lei Zhao

Xin Zhang

Xin Xie

Yunnan Hong

Tie Jun Cui

Qiang Cheng

Daniel A Roberts

Fanglong He

Silu Xu

Nenghui Fang

Yangyang Zhang

Jing Nie

Jiawei He

Liuzhong Yin

Hua Tian

Ning Xu

Hao Zheng

Xiaoming Yin

Faguo Xu

Yunxiang Zhang

Jingjing Liu

YanQing Tan

Tian Zhou

Weizi Huang

Zhiwei Pan

Chunlai Li

Yuefeng Li

Yan Hou

Kangqiang Chen

Lin You

Sucheng Li

Fei Zhou

Xiaoyu Zhang

Guo Zhong

Junjie Liao

Xingxing Huang

Yuqing Liu

Yuqin Xu

MuSen Li

Shengwei Kong

Qingwen Feng

Guochang Liu

Jinguo Huang

Mingjun Xing

Yicun Ouyang

Yao Qin

Fan Feng

Shequan Zeng

Hualei Guo

Yuhai Ren

Shikuan Xu

Jing Jin

Provided are a directional pattern calculation method and apparatus for a beam pointing adjustable antenna. In the design method, key control factors are quantized, for example, a arrangement and combination modes for a plurality of slot units and wave-controlled codes for conducting and cut-off states of a slot unit, and different combinations of slot units and a far-field directional pattern of a controlled array antenna are evaluated, so that electrical performance indicators of the array antenna can be further evaluated. Weighting calculation is implemented for a directional pattern of a beam pointing adjustable antenna. Key information such as a form of a slot unit and a arrangement and combination modes for slot units can be globally optimized.

Method and device for calculating directional pattern of beam pointing adjustable antenna

Provided a wave-absorbing impregnation glue liquid, including: two-component epoxy resin, a solvent, a polyether siloxane, and a carbon powder; wherein a mass ratio of the two-component epoxy resin to the solvent is 1:3˜1:5, a mass ratio of the two-component epoxy resin to the carbon powder is 3:1˜6:1, and a mass fraction of the polyether siloxane in the wave-absorbing impregnation glue liquid is 0.05%˜0.2%. A wave-absorbing impregnation glue liquid, a wave-absorbing honeycomb and their preparation methods are further provided.

Wave-absorbing impregnation glue liquid, wave-absorbing honeycomb, and preparation methods thereof

The present invention provides a radome substrate and a preparation method thereof. The radome substrate includes: 5 to 10 parts of polyphenylene ether resin, 70 to 85 parts of ceramic masterbatch, 10 to 15 parts of hollow microbead masterbatch, 1 to 3 parts of a compatibilizer, and 0.1 to 0.3 parts of a lubricant. The radome substrate prepared according to the method provided in the present invention has a high dielectric constant and stress cracking resistance performance.

Radome substrate and preparation method thereof

A plate folding and unfolding device and a solar panel structure are provided. The plate folding and unfolding device includes a cam fixed with first plate piece, and a rotating shaft is disposed inside the cam in an axial direction of the cam; a connecting rod, where the connecting rod includes a first end and a second end that are opposite to each other, the first end is connected vertically to the rotating shaft, and the second end is fixed to a second plate piece; a positioning shaft, where the positioning shaft is disposed, on the connecting rod; and an elastic piece, where the elastic piece is disposed on the connecting rod, one end of the elastic piece is connected to the positioning shaft, where a groove that accommodates the positioning shaft is disposed at at least one location of the outer peripheral surface of the cam.

Plate folding and unfolding device and solar panel structure

The disclosure discloses an absorbing metamaterial, including a plurality of metamaterial units that are periodically arranged, where the metamaterial unit includes: a first loop disposed on a first plane; and a second loop disposed on a second plane, where the first plane is perpendicular to the second plane, so that the first loop and the second loop are orthogonal. According to the foregoing technical solution in the disclosure, wave absorption in a large angle range can be implemented while ensuring wideband wave absorption.

Absorbing metamaterial

The disclosure provides an integrated wave-absorbing and wave-transparent apparatus and a radome. The integrated wave-absorbing and wave-transparent apparatus includes: a wave-transparent structure, including a first substrate and a metal patch unit located on opposite surfaces of the substrate; and a wave-absorbing structure, disposed on the wave-transparent structure and including a first wave-absorbing unit and a second wave-absorbing unit that are perpendicular to each other, where the first wave-absorbing unit and the second wave-absorbing unit each includes: a second substrate; and a plurality of metal sections and a plurality of stop-bands that are located on surfaces of the second substrate, where the plurality of metal sections and the plurality of stop-bands are connected alternately to form an absorption ring, and the metal patch unit is configured to be perpendicular to each of an absorption ring of the first wave-absorbing unit and an absorption ring of the second wave-absorbing unit.

Integrated wave-absorbing and wave-transparent apparatus and radome

Method and device for evaluating the electrical performance of an antenna cover. The method for evaluating the electrical performance of the antenna cover comprises: acquiring electromagnetic parameter information of an antenna and parameter information of an antenna cover; calculating far-field information of the antenna and far-field information of an antenna system on the basis of the electromagnetic parameter information of the antenna and of the parameter information of the antenna cover; and calculating electrical performance parameter information of the antenna cover on the basis of the far-field information of the antenna and of the far-field information of the antenna system. By means of the actual measurement of the electromagnetic parameter information of the antenna and of the parameter information of the antenna cover, the calculation of the far-field information of the antenna and of the far-field information of the antenna system, and the electrical performance parameter information of the antenna cover thus produced, without relying on a precise digital model of the antenna or when the antenna system is of increased complexity, calculation precision is ensured, the operability of the evaluation of the electrical performance of the antenna cover is greatly increased, and calculation precision is effectively increased.

Method and device for evaluating electrical performance of radome

The present invention relates to a smart electronic lock and a suitcase. The smart electronic lock includes a housing that is enclosed by a front shell and a rear shell and that has an accommodating cavity, a lock cylinder assembly disposed in the accommodating cavity, and two fastening assemblies, where the two fastening assemblies are respectively correspondingly located at an upper portion and a lower portion of the back of the rear shell, the housing is provided with a snap-fit structure that snap-fits to one of the fastening assemblies, the housing is provided with a key assembly that is fastened and locked to the other fastening assembly, the fastening assembly that is fastened and locked to the key assembly is fixedly connected to the housing, a panel of the front shell is provided with a sensor, a circuit board assembly is provided in the accommodating cavity, and the lock cylinder assembly moves under control of the circuit board assembly, so that when the key assembly is pressed, the other fastening assembly drives the key assembly in an anterior/posterior direction to release from the key assembly. The present invention resolves the problems of low security and complex settings of a coded lock in the prior art.

Smart electronic lock and suitcase

The present disclosure provides an epoxy resin wave-absorbing composite material and a preparation method thereof. The method includes: heating an epoxy resin to 50&#xb0; C.&#x2dc;70&#xb0; C., and adding carbon black, to obtain a mixture of the epoxy resin and the carbon black; heating the mixture of the epoxy resin and the carbon black to 100&#xb0; C.&#x2dc;120&#xb0; C., adding a curing agent, and stirring and dissolving them to obtain a mixture of the epoxy resin, the carbon black, and the curing agent; and adding surface-treated hollow glass microbeads into the mixture of the epoxy resin, the carbon black, and the curing agent, and curing them to obtain the epoxy resin wave-absorbing composite material.

Epoxy resin wave-absorbing composite material and preparation method thereof

Provided are a QR decomposition-based detection method and apparatus based on overlapped multiplexing. The QR decomposition-based detection method includes: step S: obtaining a receive sequence, where the receive sequence is a sequence obtained by encoding and modulating an input signal based on a multiplexing waveform matrix and transmitting the signal through a Gaussian channel; and step S: detecting the receive sequence by using a QR decomposition algorithm, where step Sincludes: decomposing a foreknown multiplexing waveform matrix into a unitary matrix and an upper triangular matrix; performing matrix multiplication processing on the receive sequence based on the unitary matrix, to obtain a data sequence; and performing layer-by-layer detection on the data sequence based on the data sequence, the upper triangular matrix, and a quantized decision factor.

QR decomposition-based detection method and apparatus

The disclosure discloses a controllable wave-absorbing metamaterial including a substrate and a metamaterial unit array layer. Each conductive geometric unit includes a first hollow structure, second hollow structures, and conductive geometric structures. The second hollow structures are respectively extended from four vertices of the first hollow structure, and the conductive geometric structure is disposed between each two adjacent second hollow structures. The first end of the second hollow structure is provided with a varactor diode connected to the conductive geometric structures at both sides, the second end of the second hollow structure is provided with a fixed capacitor and a fixed resistor; the fixed capacitor is connected to the conductive geometric structure at one side, and the fixed resistor is connected to the conductive geometric structure at the other side. Therefore, active adjustment on a wave-absorption frequency band can be implemented, and power consumption is very low.

Controllable wave-absorbing metamaterial

A method and device for acquiring a target object, and a robot are provided. The method includes: acquiring a plurality of frames of continuous images in video images, where each frame of image includes a first target object; acquiring, based on the continuous images including the first target object, a first target image from which a background has been removed; acquiring, based on a distance from a first center point of the first target image to a common boundary, a location of a second target object in the first target image, where the first center point is determined based on a color of the second target object, the common boundary is an overlapping boundary of the second target object and the first target object, and the second target object is included in the first target object; and extracting the second target object based on the location of the second target object in the first target image.

Method and device for acquiring target object, and robot

A near space aircraft pod, including a pod body and a covering piece, where a heat dissipation part is disposed on the pod body for dissipating heat inside the pod body; and the covering piece is connected to the outside of the pod body in a movable manner, for covering the heat dissipation part or keeping a pre-designed distance from the heat dissipation part. According to the near space aircraft pod provided in the embodiments, the covering piece can adjust a distance from the heat dissipation part in time or cover the heat dissipation part based on a temperature change. Therefore, a heat dissipation speed of the pod can be effectively controlled, so that temperature inside the pod is kept in a proper range, and it is ensured that electronic devices in the pod operate under a good temperature environment.

Near space aircraft pod

The present invention discloses a frequency spectrum allocation method and apparatus for an overlapped multiplexing system, a storage medium, and a processor. The method includes: determining channel bandwidth for an overlapped multiplexing system, and obtaining first bandwidth for an overlapped multiplexing signal, where the first bandwidth is processing bandwidth for the overlapped multiplexing signal; obtaining second bandwidth other than the first bandwidth in the channel bandwidth for the overlapped multiplexing system; and allocating the second bandwidth to a non-overlapped-multiplexing signal. The present invention resolves a prior-art technical problem that bandwidth occupied by an overlapped multiplexing system is relatively wide but actual processing bandwidth is relatively narrow, causing a waste of frequency spectrum resources.

Frequency spectrum allocation method and apparatus for overlapped multiplexing system, storage medium and processor

Provided are a processing method, device, and system for an overlapped multiplexing system. The method includes: receiving encoded information output by a transmit end, where the encoded information is information obtained by performing error-correcting code encoding and overlapped multiplexing encoding on input information; decoding the encoded information according to an overlapped multiplexing decoding algorithm, to obtain a first decoding result; performing error-correcting processing on the first decoding result according to an error-correcting code decoding algorithm, to obtain a second decoding result; and outputting the second decoding result.

Processing method, device and system for overlap multiplexing system

Growing community of inventors

Shenzhen, China

Ruopeng Liu