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Radar measurement method and device

A measurement method and radar technology, applied in the field of communication, can solve the problem of large frequency resource consumption and achieve the effect of improving accuracy

Active Publication Date: 2020-09-04
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Medium-range radar MRR consumes a lot of frequency resources

Method used

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  • Radar measurement method and device

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Embodiment Construction

[0034] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0035] Such as figure 1 As shown, a detection system 100 is provided, at least including a radar 101 . Optionally, the radar 101 may be a millimeter-wave radar, a laser radar, or an ultrasonic radar. Optionally, the detection system 100 may further include a detection target 102 .

[0036] For example, the radar 100 can send a radar signal. After the radar signal reaches the detection target 102, it is reflected by the detection target 102 to form an echo signal. The radar 100 can receive the echo signal. According to the radar signal and the echo signal, the Detect targets for radar measurements. For example, the radar 100 may perform radar measurement according to the frequency difference between the radar signal and the echo signal, and the radar measurement may include distance measurement, s...

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Abstract

The invention discloses a radar measurement method and device. The method comprises the steps: a radar transmits a first long-distance radar LRR signal, and receives a first echo signal correspondingto the first LRR signal; the radar transmits a second LRR signal and receives a second echo signal corresponding to the second LRR signal; and the radar simulates measurement of a medium-distance radar MRR according to the first echo signal and the second echo signal. By adopting the method and the device provided by the invention, the measurement of the medium-distance radar MRR can be simulatedby utilizing the long-distance radar LRR signal.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a radar measurement method and device. Background technique [0002] Advanced driving assistant system (advanced driving assistant system, ADAS) refers to the use of on-board radar installed on the car to sense the environment at any time during driving, collect data, identify stationary and moving objects, etc., and provide calculation and analysis for ADAS , control the raw data, providing the function of "eyes" for the smart car that adopts the assisted driving system. [0003] Vehicle-mounted radar mainly includes vehicle-mounted millimeter-wave radar, vehicle-mounted lidar and vehicle-mounted ultrasonic radar. Among them, millimeter-wave radar has become the main sensor of ADAS due to reasons such as low cost and relatively mature technology. Among them, the main principle of the millimeter-wave radar is: the vehicle-mounted radar emits electromagnetic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/91G01S15/88G01S17/88
CPCG01S13/91G01S15/88G01S17/88G01S13/32G01S13/343G01S13/347G01S7/023G01S7/0232G01S13/931
Inventor 万蕾马莎伍勇许明霞
Owner HUAWEI TECH CO LTD