公开(公告)号：US11936468B2

公开(公告)日：2024-03-19

申请号：US18033379

申请日：2021-04-29

Applicant: University of Electronic Science and Technology of China

Inventor： Guangrong Yue ,  Daizhong Yu ,  Lin Yang

IPC: H04L27/28 ,  H04J3/06 ,  H04L27/00 ,  H04W56/00

CPC classification number: H04J3/0682 ,  H04J3/0638 ,  H04L27/0014 ,  H04W56/004 ,  H04L2027/0018 ,  H04L2027/0024

Abstract: A spatial position-dependent I/Q domain modulation method, dual domain modulation method and multiple access communication method are provided. The methods eliminate the dependence of physical layer secure communication on channel state information, and realize the function that a receiver at an expected position can communicate normally, while an eavesdropper at other positions cannot receive a signal or can only receive a wrong signal. The security capability of a wireless communication system is improved from the spatial dimension. The multiple access communication method can realize the distinguishing of multiple users according to precise spatial position points. Even if a plurality of users are located in the same sector in an angular domain, as long as the spatial positions of these users are different, the method can be used to perform multiple access communication, thereby further improving the spatial multiplexing rate of the system and increasing the system capacity.

公开(公告)号：US11923930B2

公开(公告)日：2024-03-05

申请号：US18033373

申请日：2021-04-29

Applicant: University of Electronic Science and Technology of China

Inventor： Guangrong Yue ,  Daizhong Yu ,  Lin Yang

IPC: H04B7/0456 ,  H04L5/00 ,  H04L25/03

CPC classification number: H04B7/0456 ,  H04L5/0026 ,  H04L25/03343 ,  H04L25/0391 ,  H04L2025/03426

Abstract: A high-dimensional signal transmission method is provided. The method generates M M-dimensional first signals on the basis of M original signals and generates M M-dimensional second signals on the basis of a precoding signal and of the first signals, and finally, a transmitter sums all of the second signals and then transmits by utilizing M subchannels. As such, each subchannel carries information of the M original signals; hence, when any subchannel experiences deep fading, the deep fading is shared jointly by M signals, thus preventing the deep fading from causing a particularly severe impact on any signal. Moreover, all of the original signals can be recovered by utilizing the signals on the other subchannels, thus increasing the systematic resistance against subchannel deep fading. Meanwhile, the system implements the parallel transmission of the M original signals, thus ensuring the throughput of a communication system.

公开(公告)号：US20240055489A1

公开(公告)日：2024-02-15

申请号：US17994027

申请日：2022-11-25

Applicant: University of Electronic Science and Technology of China

Inventor： Bo ZHANG ,  Lingying WU ,  Yuting LIU ,  Wentong ZHANG ,  Zhaoji LI

IPC: H01L29/40 ,  H01L29/423

CPC classification number: H01L29/407 ,  H01L29/404 ,  H01L29/4238

Abstract: A homogenization field device with low specific on-resistance based on multidimensional coupled voltage dividing mechanism includes a first conductive type semiconductor substrate, a first conductive type well region, a first conductive type semiconductor contact region, a second conductive type drift region, a second conductive type well region, a second conductive type semiconductor contact region, a first dielectric oxide layer, a second dielectric oxide layer, a third dielectric oxide layer, a fourth dielectric oxide layer, a polycrystalline silicon electrode of a floating field plate, a polycrystalline silicon electrode of a control gate, a first layer of metal strips and a second layer of metal strips. The first dielectric oxide layer and the polycrystalline silicon electrode of the floating field plate form a vertical floating field plate, and the first layer of metal strips, the second layer of metal strips and the fourth dielectric oxide layer form a surface fixed dielectric capacitor.

公开(公告)号：US20240022293A1

公开(公告)日：2024-01-18

申请号：US18033373

申请日：2021-04-29

Applicant: University of Electronic Science and Technology of China

Inventor： Guangrong YUE ,  Daizhong YU ,  Lin YANG

IPC: H04B7/0456 ,  H04L25/03 ,  H04L5/00

CPC classification number: H04B7/0456 ,  H04L25/0391 ,  H04L5/0026 ,  H04L25/03343 ,  H04L2025/03426

Abstract: A high-dimensional signal transmission method is provided. The method generates M M-dimensional first signals on the basis of M original signals and generates M M-dimensional second signals on the basis of a precoding signal and of the first signals, and finally, a transmitter sums all of the second signals and then transmits by utilizing M subchannels. As such, each subchannel carries information of the M original signals; hence, when any subchannel experiences deep fading, the deep fading is shared jointly by M signals, thus preventing the deep fading from causing a particularly severe impact on any signal. Moreover, all of the original signals can be recovered by utilizing the signals on the other subchannels, thus increasing the systematic resistance against subchannel deep fading. Meanwhile, the system implements the parallel transmission of the M original signals, thus ensuring the throughput of a communication system.

公开(公告)号：US11855203B2

公开(公告)日：2023-12-26

申请号：US17367442

申请日：2021-07-05

Applicant: University of Electronic Science and Technology of China

Inventor： Ming Qiao ,  Liu Yuan ,  Zhao Wang ,  Wenliang Liu ,  Bo Zhang

IPC: H01L29/78 ,  H01L29/06 ,  H01L29/10 ,  H01L29/40

CPC classification number: H01L29/7824 ,  H01L29/0696 ,  H01L29/1095 ,  H01L29/402

Abstract: A power semiconductor device includes a P-type substrate, an N-type well region, a P-type body region, a gate oxide layer, a polysilicon gate, a first oxide layer, a first N+ contact region, a first P+ contact region, drain metal, a first-type doped region, and a gate oxide layer. An end of the P-type body region is flush with or exceeds an end of the polysilicon gate, wherein Cgd of the power semiconductor device is reduced and a switching frequency of the power semiconductor device is increased. A polysilicon field plate connected with a source is introduced over a drift region that is not only shield an influence of the polysilicon gate on the drift region, thereby eliminating Cgd caused by overlapping of traditional polysilicon gate and drift region, but also enable the power semiconductor device to have strong robustness against an hot carrier effect.

公开(公告)号：US11828655B2

公开(公告)日：2023-11-28

申请号：US17345331

申请日：2021-06-11

Applicant: University of Electronic Science and Technology of China

Inventor： Yun Zhou ,  Jian Lv ,  Longcheng Que ,  Kang He ,  Guanyu Mi

IPC: G01J5/00 ,  G06T7/80 ,  G06T7/90 ,  G06T7/00 ,  G01J5/80

CPC classification number: G01J5/00 ,  G06T7/0002 ,  G06T7/80 ,  G06T7/90 ,  G01J5/80 ,  G06T2207/10048 ,  G06T2207/30168

Abstract: A method and system of two-point correction based on temperature substitution, includes: a black body related to the lens temperature is arranged outside a lens, a first black body arranged in front of the lens of an infrared thermal camera, so as to collect a gray value of the first black body; a temperature of the first black body being equal to the lens temperature; a second black body arranged in front of the lens of the infrared thermal camera, so as to collect a gray value of the second black body; a temperature of the second black body being higher than the lens temperature. Two correction parameters obtained by black body calculation related to temperature are strongly applicable, which eliminates the problem of image quality deterioration caused by temperature changes and greatly eliminates the pot lid phenomenon due to non-uniformity, thereby accurately calculating the corrected gray value.

公开(公告)号：US20230378522A1

公开(公告)日：2023-11-23

申请号：US17988992

申请日：2022-11-17

Applicant: YANGTZE DELTA REGION INSTITUTE OF UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA, HUZHOU

Inventor： Ziqiang XU ,  Mengqiang WU ,  Zixuan FANG ,  Yarong ZHANG

IPC: H01M10/0562

CPC classification number: H01M10/0562 ,  H01M2300/0068

Abstract: Disclosed are an interface layer of metallic lithium and solid electrolyte and preparation method thereof, including dissolving polymer matrix and lithium salt in an organic solvent, then adding a mixed powder of boron nitride nanoparticles and solid electrolyte, dispersing evenly, coating onto a solid electrolyte, and drying to obtain an interface layer.

公开(公告)号：US11822162B2

公开(公告)日：2023-11-21

申请号：US16856054

申请日：2020-04-23

Applicant: University of Electronic Science and Technology of China

Inventor： Yaxin Zhang ,  Shixiong Liang ,  Xilin Zhang ,  Ziqiang Yang Yang ,  Zhihong Feng

IPC: G02F1/015

CPC classification number: G02F1/015 ,  G02F2203/13

Abstract: A wideband terahertz modulator based on gradual openings, which belongs to the technical field of electromagnetic functional devices, includes: a semiconductor substrate; an epitaxial layer provided on the semiconductor substrate; a modulation units array, a positive voltage loading electrode and a negative voltage loading electrode which are provided on the epitaxial layer; wherein each modulation unit in the modulation units array comprises a disconnected H-shaped structure, a metal electrode located below an end of the opening of the disconnected H-shaped structure, and a semiconductor doped heterostructure located below the opening of the disconnected H-shaped structure; wherein in the disconnected H-shaped structures, adjacent modulation units have different opening positions; in a same row, the opening positions are linearly distributed and have a certain slope, and inclination slopes of the opening positions of two adjacent rows are opposite.

公开(公告)号：US20230366810A1

公开(公告)日：2023-11-16

申请号：US17993450

申请日：2022-11-23

Applicant: Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China

Inventor： Yanchun ZHAO ,  Xinghua HE ,  Huanlong ZHANG ,  Fusheng LI ,  Xinran WANG

IPC: G01N21/25

CPC classification number: G01N21/255

Abstract: The present application relates to the field of XRF spectra analysis, and discloses a background reduction method for soil XRF spectra based on the XRF-EGAN, which is based on the design mode of GAN model, includes constructing a generator of the model by using a one-dimensional fully convolutional network layer and a residual connection, constructing a discriminator of the model by using one-dimensional convolution and a fully connected layer, and training the XRF-EGAN model by using an adversarial training mode, and then obtaining the trained generator and discriminator, and the generator is a soil XRF background reduction model, which in turn improves the correlation between the net peak area and the content of element of soil XRF, and thus enhances the accuracy of quantitative analysis of element based on XRF spectra.

公开(公告)号：US20230327973A1

公开(公告)日：2023-10-12

申请号：US17988777

申请日：2022-11-17

Applicant: University of Electronic Science and Technology of China

Inventor： Hongfang YU ,  Gang SUN ,  Tie MA ,  Chongxi MA ,  Yunhan XIE

IPC: H04L43/55 ,  H04L41/14

CPC classification number: H04L43/55 ,  H04L41/145

Abstract: A network emulation system supporting a flexible and efficient dynamic experiment emulates a network based on container, veth-pair, traffic control (TC), and other technologies and sets a network state management model based on a key-value pair, thereby constructing a network emulation system supporting a flexible and efficient dynamic experiment. The system flexibly realizes the dynamic performance of a plurality of dimensions, namely, dynamic node start/stop, dynamic node attribute configuration, dynamic link start/stop, and dynamic link attribute configuration. Based on the network state management model, the network emulation system provides a concise and unified dynamic application programming interface (API) for an upper layer. Researchers can call the API in their network innovation programs at any time after an emulation network is deployed to achieve efficient, batch-processing, and programmable dynamic management. The network emulation system greatly facilitates the experimental work of the researchers in a dynamic scenario of the network.