METHODS AND SYSTEMS FOR FLYING SMALL OBJECT DETECTION USING RADAR

    公开(公告)号:US20250035773A1

    公开(公告)日:2025-01-30

    申请号:US18783846

    申请日:2024-07-25

    Abstract: Systems and methods are provided for small object detection using radar. An example arrangement may include a plurality of radars, and at least one processing node that includes one or more processing circuits. The plurality of radars are physically separated. The plurality of radars is arranged such that coverage areas of the plurality of radars overlap, at least partially. The plurality of radars is configured to utilize differentiation techniques for differentiating each of the plurality of radars. The plurality of radars is configured to share detection related data obtained or generated by each of the plurality of radars based on detection of objects within the coverage areas. The one or more processing circuits are configured to process the shared detection related data and information relating to positions of the radars, to detect and/or track one or more objects.

    Centralized occupancy detection system

    公开(公告)号:US12168412B2

    公开(公告)日:2024-12-17

    申请号:US18231218

    申请日:2023-08-07

    Applicant: AyDeeKay LLC

    Abstract: A centralized occupancy detection system enables monitoring of multiple seats, or more generally, multiple stations, with a single sensor. One illustrative vehicle includes: one or more stations each configured to accommodate an occupant of the vehicle, a radar-reflective surface, and a radar transceiver configured to use the radar-reflective surface to detect an occupant of at least one of the stations. Another illustrative vehicle includes: multiple stations to each accommodate an occupant of the vehicle, and a radar transceiver configured to examine each of the multiple stations to determine whether that station has an occupant.

    TECHNIQUES FOR IMPROVING RANGING BETWEEN ELECTRONIC DEVICES

    公开(公告)号:US20240302518A1

    公开(公告)日:2024-09-12

    申请号:US18668076

    申请日:2024-05-17

    Applicant: Apple Inc.

    Abstract: A mobile device may receive a plurality of timestamps, wherein the plurality of timestamps indicate sending and receiving time for ranging packets and response packets. The mobile device may calculate a responder turn-around time as a first difference between the second time and the first time. The mobile device may calculate a responding round trip time as a second difference between the second time and the third time. The mobile device may receive from the electronic device an initiator turn-around time and an initiator round trip time. The mobile device may calculate a frequency offset for the wireless protocol using the responder turn-around time, the responding round trip time, the initiator turn-around time, and the initiator round trip time. The mobile device may compare an observed frequency offset to the calculated frequency offset to determine a frequency offset difference and whether it exceeds a threshold, adjusting a ranging measurement.

    Wall profile measurement apparatus

    公开(公告)号:US12085633B2

    公开(公告)日:2024-09-10

    申请号:US17655428

    申请日:2022-03-18

    Inventor: Naotsugu Shimizu

    CPC classification number: G01S13/46 G01S7/41 G01S13/89 G01S13/931 B60Q9/00

    Abstract: A measurement apparatus repeatedly executes measurement determination of whether measurement of a wall object has succeeded. If the wall-object measurement has succeeded, the measurement apparatus calculates an instantaneous wall-distance value indicative of a distance of the wall object from the own object. Otherwise, if the wall-object measurement has not succeeded, the measurement apparatus executes first extrapolation of an additional instantaneous wall-distance value. The measurement apparatus prevents an additional execution of the first extrapolation upon determination that the frequency of continuously repeated executions of the first extrapolation is not less than a prevention threshold frequency. The measurement apparatus sets, if the result of the measurement determination is correct, a correct-state threshold as the prevention threshold frequency, and sets, if the result of the measurement determination is incorrect, an incorrect-state threshold as the prevention threshold frequency; the incorrect-state threshold is smaller than the correct-state threshold.

    Mapping of Scatterer Locations in a Radio Environment

    公开(公告)号:US20240183974A1

    公开(公告)日:2024-06-06

    申请号:US18285056

    申请日:2022-04-01

    CPC classification number: G01S13/878 G01S13/003 G01S13/75 G01S2013/464

    Abstract: Methods for determining a location of an object using radio measurement observations in a radio network. An example method comprises the step of obtaining (1610) information comprising (a) a first angle-of-arrival parameter and/or first angle-of-departure parameter corresponding to a non-primary propagation path of a radio signal transmitted between a first wireless device and a second wireless device, and further comprising either or both of (b) a delay measurement or time-of-arrival measurement for the non-primary propagation path: and (c) a second angle-of-arrival parameter and/or second angle-of-departure parameter corresponding to the non-primary propagation path, the second angle-of-arrival parameter and second angle-of-departure parameter corresponding to a different end of the non-primary propagation path to the first angle-of-arrival parameter and angle-of-departure parameter. The method further comprises estimating (1620) a location for an object other than the first and second wireless devices, based on the obtained information.

    Sensor
    10.
    发明授权
    Sensor 有权

    公开(公告)号:US11906656B2

    公开(公告)日:2024-02-20

    申请号:US17414690

    申请日:2020-02-25

    CPC classification number: G01S7/41 G01S13/46

    Abstract: A sensor includes: a correlation matrix calculator which calculates a correlation matrix from biological information extracted using reception signals obtained by receiving, in a predetermined period, signals transmitted to a predetermined space; a first number information calculator which calculates first number information; a MUSIC spectrum calculator which estimates a candidate of a position of at least one living body and outputs a likelihood spectrum; and a second number information calculator which estimates a position or second number information, which is a total number of living bodies with an increased degree of likelihood, from first position information possibly including a plurality of position candidates.

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