公开(公告)号：US11698438B2

公开(公告)日：2023-07-11

申请号：US17488015

申请日：2021-09-28

Applicant: Google LLC

Inventor： Jaime Lien ,  Nicholas Edward Gillian ,  Ivan Poupyrev

IPC: G09G5/00 ,  G01S7/41 ,  G01S13/56 ,  G01S13/86 ,  H04Q9/00 ,  G01S13/88 ,  G06F21/32 ,  G06F3/04815 ,  G01S7/40 ,  H04W4/80 ,  G06N20/00 ,  H04W16/28 ,  G01S13/90 ,  G06V20/64 ,  G06V40/20 ,  G06F18/25 ,  G06F18/28 ,  G06F18/40 ,  G06F18/21 ,  G06V10/80 ,  G06F16/245 ,  G06F3/01 ,  G06F21/62 ,  A63F13/21 ,  A63F13/24 ,  G01S13/66 ,  G08C17/02 ,  G06T7/73 ,  G01S13/931 ,  G06F1/16 ,  G06F3/0484 ,  G01S19/42 ,  G06F3/0346 ,  G06F3/16

CPC classification number: G01S7/415 ,  A63F13/21 ,  A63F13/24 ,  G01S7/4004 ,  G01S7/41 ,  G01S7/412 ,  G01S13/56 ,  G01S13/66 ,  G01S13/86 ,  G01S13/867 ,  G01S13/88 ,  G01S13/888 ,  G01S13/90 ,  G01S13/904 ,  G06F3/011 ,  G06F3/017 ,  G06F3/04815 ,  G06F16/245 ,  G06F18/217 ,  G06F18/25 ,  G06F18/253 ,  G06F18/28 ,  G06F18/41 ,  G06F21/32 ,  G06F21/6245 ,  G06N20/00 ,  G06V10/806 ,  G06V20/64 ,  G06V40/28 ,  H04Q9/00 ,  H04W4/80 ,  H04W16/28 ,  A63F2300/8082 ,  G01S13/865 ,  G01S13/931 ,  G01S19/42 ,  G01S2013/9322 ,  G06F1/163 ,  G06F3/0346 ,  G06F3/0484 ,  G06F3/165 ,  G06F2203/0384 ,  G06F2221/2105 ,  G06T7/75 ,  G08C17/02 ,  G08C2201/93 ,  H04Q2209/883

Abstract: Various embodiments wirelessly detect micro gestures using multiple antenna of a gesture sensor device. At times, the gesture sensor device transmits multiple outgoing radio frequency (RF) signals, each outgoing RF signal transmitted via a respective antenna of the gesture sensor device. The outgoing RF signals are configured to help capture information that can be used to identify micro-gestures performed by a hand. The gesture sensor device captures incoming RF signals generated by the outgoing RF signals reflecting off of the hand, and then analyzes the incoming RF signals to identify the micro-gesture.

公开(公告)号：US20170242119A1

公开(公告)日：2017-08-24

申请号：US15438568

申请日：2017-02-21

Applicant: Claude CHEKROUN ,  Gilles CHEKROUN

Inventor： Claude CHEKROUN ,  Gilles CHEKROUN

IPC: G01S13/88 ,  H01Q1/42 ,  G01S13/90 ,  G01S13/00 ,  G01S13/86

CPC classification number: G01S13/887 ,  G01S7/03 ,  G01S13/003 ,  G01S13/867 ,  G01S13/90 ,  G01S13/904 ,  H01Q1/42

Abstract: A device comprises at least: one rotary antenna including at least two parallel rectilinear waveguides; a radar emitting a continuous-wave microwave signal towards the emission guide of the antenna and receiving the signals from the guides of the antenna, which signals are captured by the movable beam, the received signals are the direct component I and the quadrature component; a stereoscopic video camera oriented in the same direction as the movable beam of the rotary antenna and able to record the clothing envelope of the individual, the envelope serving as a reference surface for the measurement of distances to the device; a processor that computes an SAR image of that portion of the body of the individual targeted by the radar and the video camera and who is possibly equipped with one or more objects, from signals received from the radar and the distances measured by the video camera.

公开(公告)号：US20170010388A1

公开(公告)日：2017-01-12

申请号：US15270110

申请日：2016-09-20

Applicant: Vermeer Manufacturing Company

Inventor： Waleed Sami Haddad

IPC: G01V11/00 ,  G06K9/46 ,  G01V3/17 ,  G01V3/14 ,  G01S13/90 ,  G01S13/88

CPC classification number: G01V11/002 ,  G01S13/885 ,  G01S13/90 ,  G01S13/904 ,  G01S13/9094 ,  G01V3/14 ,  G01V3/17 ,  G06F19/00 ,  G06K9/4676 ,  G06T7/38 ,  G06T2200/21 ,  G06T2207/30181

Abstract: A series of scans is generated for a subsurface and a derivative image is created using the series of subsurface images. One or more tests are performed on the derivative image, and a subsurface object is detected based on the one or more tests. A sensor is configured to generate a series of scans for a subsurface and a processor is coupled to the sensor. The processor is configured to execute stored program instructions that cause the processor to generate a series of images of the subsurface using the series of scans, create a derivative image using the series of subsurface images, perform one or more tests on the derivative image, and detect a subsurface object based on the one or more tests.

Abstract translation: 为地下生成一系列扫描，并使用一系列地下图像创建派生图像。 对导数图像执行一个或多个测试，并且基于一个或多个测试来检测地下物体。 传感器被配置为产生用于次表面的一系列扫描，并且处理器耦合到传感器。 处理器被配置为执行存储的程序指令，其使得处理器使用该系列扫描来生成地下一系列图像，使用一系列地下图像创建导数图像，对导数图像执行一个或多个测试，以及 基于一个或多个测试来检测地下物体。

公开(公告)号：US20040150547A1

公开(公告)日：2004-08-05

申请号：US10471735

申请日：2004-03-30

Inventor： Martin Suess ,  Werner Wiesbeck

IPC: G01S013/90

CPC classification number: G01S13/90 ,  G01S13/904

Abstract: The invention relates to a side-looking SAR system, comprising a transmit aperture, a receive aperture of different size, separated from said transmit aperture and divided into a number of receive sub-apertures arranged along elevation and azimuth direction, means for coherently processing the signals of each receive sub-aperture comprising means for phase shifting the signal from each receive sub-aperture by a time and/or frequency variant phase value, means for the summation of the resulting signals from receive sub-apertures arrayed along the elevation direction, whereby the time and/or frequency variant phase value is generated in such a way that the radar echo signal is maximized in the summed signal as the radar transmit signal runs over the earth's surface.

Abstract translation: 本发明涉及一种侧视SAR系统，其包括与所述发射孔分离并分开成沿着仰角和方位角方向布置的多个接收子孔的不同大小的发射孔径，接收孔径，用于相干地处理 每个接收子孔径的信号包括用于将来自每个接收子孔径的信号相移时间和/或频率变化相位值的装置，用于将从所述高度方向排列的接收子孔径得到的信号相加的装置， 由此产生时间和/或频率变化相位值，使得当雷达发射信号在地球表面上运行时，雷达回波信号在加和信号中最大化。

公开(公告)号：US12117560B2

公开(公告)日：2024-10-15

申请号：US17394241

申请日：2021-08-04

Applicant: Google LLC

Inventor： Nicholas Edward Gillian ,  Carsten C. Schwesig ,  Jaime Lien ,  Patrick M. Amihood ,  Ivan Poupyrev

IPC: G01S7/41 ,  A63F13/21 ,  A63F13/24 ,  G01S7/40 ,  G01S13/56 ,  G01S13/66 ,  G01S13/86 ,  G01S13/88 ,  G01S13/90 ,  G06F3/01 ,  G06F3/04815 ,  G06F16/245 ,  G06F18/21 ,  G06F18/25 ,  G06F18/28 ,  G06F18/40 ,  G06F21/32 ,  G06F21/62 ,  G06N20/00 ,  G06V10/80 ,  G06V20/64 ,  G06V40/20 ,  H04Q9/00 ,  H04W4/80 ,  H04W16/28 ,  G01S13/931 ,  G01S19/42 ,  G06F1/16 ,  G06F3/0346 ,  G06F3/0484 ,  G06F3/16 ,  G06T7/73 ,  G08C17/02

CPC classification number: G01S7/415 ,  A63F13/21 ,  A63F13/24 ,  G01S7/4004 ,  G01S7/41 ,  G01S7/412 ,  G01S13/56 ,  G01S13/66 ,  G01S13/86 ,  G01S13/867 ,  G01S13/88 ,  G01S13/888 ,  G01S13/90 ,  G01S13/904 ,  G06F3/011 ,  G06F3/017 ,  G06F3/04815 ,  G06F16/245 ,  G06F18/217 ,  G06F18/25 ,  G06F18/253 ,  G06F18/28 ,  G06F18/41 ,  G06F21/32 ,  G06F21/6245 ,  G06N20/00 ,  G06V10/806 ,  G06V20/64 ,  G06V40/28 ,  H04Q9/00 ,  H04W4/80 ,  H04W16/28 ,  A63F2300/8082 ,  G01S13/865 ,  G01S13/931 ,  G01S2013/9322 ,  G01S19/42 ,  G06F1/163 ,  G06F3/0346 ,  G06F3/0484 ,  G06F3/165 ,  G06F2203/0384 ,  G06F2221/2105 ,  G06T7/75 ,  G08C17/02 ,  G08C2201/93 ,  H04Q2209/883

Abstract: This document describes apparatuses and techniques for radar-enabled sensor fusion. In some aspects, a radar field is provided and reflection signals that correspond to a target in the radar field are received. The reflection signals are transformed to provide radar data, from which a radar feature indicating a physical characteristic of the target is extracted. Based on the radar features, a sensor is activated to provide supplemental sensor data associated with the physical characteristic. The radar feature is then augmented with the supplemental sensor data to enhance the radar feature, such as by increasing an accuracy or resolution of the radar feature. By so doing, performance of sensor-based applications, which rely on the enhanced radar features, can be improved.

公开(公告)号：US20230336217A1

公开(公告)日：2023-10-19

申请号：US17946422

申请日：2022-09-16

Applicant: RFCORE CO.,LTD.

Inventor： Kye-Ik JEON ,  Tong-Ook KONG

IPC: H04B7/0426 ,  H04B7/204 ,  G01S13/90 ,  G01S13/44

CPC classification number: H04B7/043 ,  H04B7/2043 ,  G01S13/904 ,  G01S13/4445

Abstract: A frequency conversion beam squint correction method of an active phase array antenna system including a plurality (m) of beamforming units configured of an antenna, a first amplifier, a phase shifter, a variable attenuator, and a second amplifier, the method includes the steps of: adjusting a delay time of an applied RF signal by arranging m/2 true time delays (TTDs) for every two adjacent beamforming units; and converting the frequency of the RF signal by mixing the RF signal transferred to each of the m/2 true time delays and a local oscillation signal using a mixer.

公开(公告)号：US11709255B2

公开(公告)日：2023-07-25

申请号：US17333549

申请日：2021-05-28

Applicant: VAYYAR IMAGING LTD

Inventor： Yuval Lomnitz ,  Damian Hoffman ,  Shachar Shayovitz

IPC: G01S13/90 ,  G01S13/02 ,  G01S13/50 ,  G01S13/88 ,  G01S13/89 ,  H01Q3/34

CPC classification number: G01S13/9005 ,  G01S13/0209 ,  G01S13/50 ,  G01S13/885 ,  G01S13/89 ,  G01S13/904 ,  G01S13/9029 ,  H01Q3/34

Abstract: The methods and device disclosed herein provide an array such as a Radio Frequency (FR) antenna array for measuring the array movement or displacement of the array relative to a reference location. In some cases the array may be attached to or in communication with the device. The array comprises at least two transducers (e.g. RF antennas), wherein at least one of the at least two transducers is configured to transmit a signal towards the object, and at least one transceiver attached to said at least two transducers, the at least one transceiver is configured to repetitively transmit at least one signal toward an object and receive a plurality of signals affected or reflected while the array is moved in proximity to the object/medium or scene; and at least one processor unit, configured to: process the affected signals to yield a plurality of signal measurements and compare said signal measurements obtained at different locations over time of said second object and calculate a movement of the object relative to a reference location.

公开(公告)号：US20190179009A1

公开(公告)日：2019-06-13

申请号：US15836184

申请日：2017-12-08

Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATION

Inventor： Levente Klein ,  Siyuan Lu ,  Fernando Jimenez Marianno ,  Nigel Hinds

IPC: G01S13/90 ,  G06K9/00

CPC classification number: G01S13/9005 ,  G01S13/9023 ,  G01S13/904 ,  G01S13/9047 ,  G01S13/9054 ,  G06K9/00657

Abstract: A computer-implemented method executed by one or more satellites for assessing crop development by using synthetic aperture radar (SAR) is presented. The method includes generating SAR images from scanning fields including crops, monitoring grown of the crops within the fields during a predetermined time period, and estimating a height of the crops during the predetermined time period by using interferometric information from one or more of the SAR images and tracking change in height and growth rates. The method further includes differentiating between crops in different fields by monitoring changes in the height of the crops during an entire growing season.

公开(公告)号：US20190179007A1

公开(公告)日：2019-06-13

申请号：US15838053

申请日：2017-12-11

Applicant: RAYTHEON COMPANY

Inventor： Charles T. Hansen

IPC: G01S13/90

CPC classification number: G01S13/90 ,  G01S13/904

Abstract: A system and method for forming synthetic aperture radar images. Radar return pulses are grouped into sub-dwells, and their frequency content is separated into frequency sub-bands. A coarse image is formed for each sub-band/sub-dwell combination. The coarse images are iteratively interpolated to higher resolution and combined, to form a single high-resolution synthetic aperture radar image.

公开(公告)号：US20180239013A1

公开(公告)日：2018-08-23

申请号：US15752827

申请日：2016-08-12

Applicant: Novelda AS

Inventor： Tor Sverre Lande

IPC: G01S13/88 ,  G01S7/292 ,  G01S13/90

CPC classification number: G01S13/885 ,  G01S7/2927 ,  G01S13/888 ,  G01S13/89 ,  G01S13/90 ,  G01S13/904 ,  G01S13/9064

Abstract: A method of imaging within an absorptive object comprising: placing transmit and receive antennas in close proximity to a surface of said object; transmitting electromagnetic pulses from the transmit antenna into the object; and receiving a receive signal at the receive antenna simultaneously with the transmit antenna transmitting said pulses; wherein the transmitting and receiving comprises the following steps: a) setting a threshold level for the receive signal strength; b) transmitting one or more pulses; c) comparing the receive signal for said one or more pulses with the threshold level; d) changing the threshold level; e) repeating steps b), c) and optionally d) one or more times. This arrangement can operate at extremely high speed due to the absence of any slow multi-bit ADCs.