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1.发明公开公开(公告)号：US20240259020A1
公开(公告)日：2024-08-01
申请号：US17256860
申请日：2020-12-21
发明人： Miao Li
IPC分类号： H03K17/693
CPC分类号： H03K17/693
摘要： A multi-coil coupling-type single-pole four-throw (SP4T) switch includes: an input port and first through fourth output ports; a coupled inductor circuit including inductor coils electrically connected with the input port and the first through fourth output ports; and a transistor-based control circuit including control circuits electrically connected with the first through fourth output ports respectively. The transistor-based control circuit is configured for selecting one of the first through fourth output ports to be conducted with the input port based on level signals of the control circuits, and configuring a load of the selected output port by using the inductor coils connected with the first through fourth output ports and the control circuits connected with the others of the first through fourth output ports. Therefore, the multi-coil coupling-type SP4T switch can realize selective electrical conductions among different circuits and achieve low insertion loss, high isolation degree and miniaturization.
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公开(公告)号：US20220164967A1
公开(公告)日：2022-05-26
申请号：US17552282
申请日：2021-12-15
发明人： Yannan Jia , Wenjie Wang
摘要： A method of establishing an enhanced three-dimensional (3D) model of intracranial angiography is provided and includes: obtaining a bright-blood image group, a black-blood image group and an enhanced black-blood image group; preprocessing image pairs to obtain first bright-blood images and black-blood images; registering the first bright-blood image by taking the first black-blood image as reference to obtain a registered bright-blood image group; eliminating flowing void artifact to obtain an artifact-elimination enhanced black-blood image group; subtracting each image of the artifact-elimination enhanced black-blood image group from corresponding black-blood image to obtain angiography enhanced images; establishing a blood 3D model and a vascular 3D model with blood boundary expansion by using the registered bright-blood image group; establishing an angiography enhanced 3D model by using the angiography enhanced images; obtaining an enhanced 3D model of intracranial angiography based on the blood 3D model, the vascular 3D model and the angiography enhanced 3D model.
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公开(公告)号：US10805031B2
公开(公告)日：2020-10-13
申请号：US16234518
申请日：2018-12-27
发明人： Weiguo Zhang , Yu Zuo
摘要： The present invention relates to a method for constructing orthogonal sequence sets in a CDMA system, including: step a: selecting natural numbers m and k, m and k satisfying m=2k+4: step b: constructing a 5-spectral value vector Boolean function; step c: constructing 24 orthogonal sequence sets by using the 5-spectral value vector Boolean function; and step d: allocating the orthogonal sequence sets to cells, and causing that sequences in each of the cells are orthogonal with one another, and sequences in each of the cells and sequences in neighboring one of the cells are orthogonal with one another. The constructing method provided by the present invention can increase the number of users in cells, reduce the signal interferences of neighboring cells, and improves the communication quality consequently.
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公开(公告)号：US20230154202A1
公开(公告)日：2023-05-18
申请号：US17564524
申请日：2021-12-29
CPC分类号： G06V20/588 , G06V10/82 , G06V10/95 , G06V10/806 , G06V10/75 , G06V10/762 , H04L12/40 , H04L2012/40273
摘要： A method of road detection based on Internet of Vehicles is provided, the method is applied to vehicle terminals and includes: obtaining a target road image captured by an image collection terminal and inputting it into an improved YOLOv3 network, performing feature extraction by using backbone network of dense connection to obtain feature images with different scales; performing feature fusion of top-to-down and dense connection to the feature images by using an improved feature pyramid networks (FPN) to obtain prediction results; obtaining attribute information of the target road image according to the prediction results; the attribute information includes positions and categories of objects in the target road image; the improved YOLOv3 is formed by based on YOLOv3 network, replacing residual modules of backbone network to dense connection modules, increasing feature extraction scale, optimizing feature fusion mode of FPN, performing pruning and performing network recovery processing guided by knowledge distillation.
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5.发明授权公开(公告)号：US10177141B2
公开(公告)日：2019-01-08
申请号：US15851867
申请日：2017-12-22
发明人： Liang Zhang , Yu Zuo
IPC分类号： H01L27/08 , H01Q7/00 , H01L21/822 , H01L21/762 , H01L21/265 , H01L21/3065 , H01L21/02 , H01L21/311 , H01L21/324 , H01L27/12 , H01L29/06 , H01L29/04 , H01L29/165 , H01L29/868 , H01L29/66 , H01L21/306 , H01Q23/00 , H01L21/84 , H01Q13/08 , H01Q5/328
摘要： A preparation method for a SiGe based plasma p-i-n diode string for a sleeve antenna is provided. The preparation method includes: selecting a SiGeOI substrate with a certain crystal orientation and forming isolation regions on the SiGeOI substrate; etching the substrate to form P-type trenches and N-type trenches, depths of the P-type trenches and the N-type trenches each being smaller than a thickness of a top SiGe layer of the substrate; filling the P-type trenches and the N-type trenches and forming P-type active regions and N-type active regions in the top SiGe layer of the substrate by an ion implantation process; and forming leads on the substrate so as to obtain the heterogeneous SiGe based plasma p-i-n diode. Therefore, a high-performance heterogeneous SiGe based plasma p-i-n diode suitable for forming a solid-state plasma antenna is prepared by using a deep trench isolation technology and the ion implantation process.
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公开(公告)号：US12118803B2
公开(公告)日：2024-10-15
申请号：US17564524
申请日：2021-12-29
CPC分类号： G06V20/588 , G06V10/75 , G06V10/762 , G06V10/806 , G06V10/82 , G06V10/95 , H04L12/40 , H04L2012/40273
摘要： A method of road detection based on Internet of Vehicles is provided, the method is applied to vehicle terminals and includes: obtaining a target road image captured by an image collection terminal and inputting it into an improved YOLOv3 network, performing feature extraction by using backbone network of dense connection to obtain feature images with different scales; performing feature fusion of top-to-down and dense connection to the feature images by using an improved feature pyramid networks (FPN) to obtain prediction results; obtaining attribute information of the target road image according to the prediction results; the attribute information includes positions and categories of objects in the target road image; the improved YOLOv3 is formed by based on YOLOv3 network, replacing residual modules of backbone network to dense connection modules, increasing feature extraction scale, optimizing feature fusion mode of FPN, performing pruning and performing network recovery processing guided by knowledge distillation.
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公开(公告)号：US11830193B2
公开(公告)日：2023-11-28
申请号：US17564494
申请日：2021-12-29
发明人： Yannan Jia , Wenjie Wang
IPC分类号： G06T7/00 , G06T7/33 , G06T7/136 , G06T7/11 , G06T5/50 , G06T5/00 , G06T3/40 , G06T17/00 , G16H30/20 , G16H50/20 , A61B6/00
CPC分类号： G06T7/0014 , A61B6/501 , A61B6/504 , A61B6/5235 , G06T3/40 , G06T5/007 , G06T5/50 , G06T7/11 , G06T7/136 , G06T7/337 , G06T17/00 , G16H30/20 , G16H50/20 , G06T2207/20016 , G06T2207/20081 , G06T2207/20084 , G06T2207/20221 , G06T2207/20224 , G06T2207/30096 , G06T2207/30101 , G06T2210/41
摘要： A recognition method of intracranial vascular lesions based on transfer learning is provided, which includes: obtaining a bright-blood image group, a black-blood image group and an enhanced black-blood image group; registering bright-blood images to obtain a registered bright-blood image group; eliminating flowing void artifact to obtain an artifact-elimination enhanced black-blood image group; subtracting each image of the artifact-elimination enhanced black-blood image group from corresponding black-blood image to obtain angiography enhanced images; establishing a blood 3D model; establishing a vascular 3D model with blood boundary expansion; establishing an angiography enhanced 3D model by using the angiography enhanced images; obtaining an intracranial vascular enhanced 3D model based on the blood 3D model, the vascular 3D model and the angiography enhanced 3D model; and obtaining an intracranial vascular lesion recognition model based on the intracranial vascular enhanced 3D model. The method can simply, quickly and intuitively recognize the intracranial vascular lesions clinically.
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8.发明授权公开(公告)号：US10715269B2
公开(公告)日：2020-07-14
申请号：US16233048
申请日：2018-12-26
发明人： Weiguo Zhang , Jiawei Yan
摘要： The present invention discloses a channel frequency spreading device for a CDMA system, including: an orthogonal sequence generating module, configured to generate orthogonal sequence sets; a storage module, connected to the orthogonal sequence generating module, and configured to store the orthogonal sequence sets; a control module, connected to the storage module, and configured to read available orthogonal sequences in the orthogonal sequence sets when receiving a user request control signal; and a channel machine, connected to the control module, and configured to receive user request data, and perform frequency spreading on the user request data according to the available orthogonal sequences and then output. The channel frequency spreading device for a CDMA system can improve the number of the sequences allocated by the cell, and solve the problem that the excessive users cannot communicate normally.
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9.发明授权公开(公告)号：US10367247B2
公开(公告)日：2019-07-30
申请号：US15854071
申请日：2017-12-26
发明人： Xiaoxue Yin , Liang Zhang
摘要： A preparation method for a GaAs/Ge/GaAs heterogeneous SPiN diode for a loop antenna includes: selecting a GeOI substrate; etching a top Ge layer of the GeOI substrate to form first and second trenches in the top Ge layer; depositing a GaAs material in, the first and second trenches; performing P-type ion implantation into the GaAs material in the first trench to form a P-type active region and performing an N-type ion implantation into the GaAs material in the second trench to form an N-type active region by ion implantation process; and forming lead holes on surfaces of the P-type active region and the N-type active region and then sputtering a metal to form the GaAs/Ge/GaAs heterogeneous SPiN diode. Therefore, a high performance GaAs/Ge/GaAs heterogeneous SPiN diode suitable for forming a solid-state plasma antenna can be prepared by deep trench isolation technology and ion implantation process.
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10.发明申请公开(公告)号：US20190222344A1
公开(公告)日：2019-07-18
申请号：US16233048
申请日：2018-12-26
发明人： WEIGUO ZHANG , JIAWEI YAN
摘要： The present invention discloses a channel frequency spreading device for a CDMA system, including: an orthogonal sequence generating module, configured to generate orthogonal sequence sets; a storage module, connected to the orthogonal sequence generating module, and configured to store the orthogonal sequence sets; a control module, connected to the storage module, and configured to read available orthogonal sequences in the orthogonal sequence sets when receiving a user request control signal; and a channel machine, connected to the control module, and configured to receive user request data, and perform frequency spreading on the user request data according to the available orthogonal sequences and then output. The channel frequency spreading device for a CDMA system can improve the number of the sequences allocated by the cell, and solve the problem that the excessive users cannot communicate normally.
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