Vehicle-mounted radar detection system for long-distance detection and method thereof

A detection system and vehicle-mounted radar technology, applied in the field of vehicle-mounted radar detection systems, can solve problems affecting functional safety, affecting radar operating range, weak echo power, etc., to achieve long-distance detection and improve the effect of operating distance

Pending Publication Date: 2019-11-01
HUIZHOU DESAY SV AUTOMOTIVE
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Problems solved by technology

If the echo power is too weak, it will directly affect the range of the radar, thus affecting the safety of related functions

Method used

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  • Vehicle-mounted radar detection system for long-distance detection and method thereof
  • Vehicle-mounted radar detection system for long-distance detection and method thereof

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Embodiment Construction

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the drawings in the embodiments of the present invention. Apparently, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] In vehicle-mounted radar, the echo power received by the radar is not only related to the full-space radiation of the radar emission wave, but also related to the geometric shape, material, and size of the target object. Therefore, the power returned to the radar receiver only accounts for a small amount of transmission power. Part of it will directly affect the range of the radar.

[0025] Such as Figure 1-2 As shown, in order to solve the above problems, this ...

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Abstract

The present invention relates to the technical field of vehicle-mounted radar, and particularly relates to a vehicle-mounted radar detection system for long-distance detection and a method thereof. The system comprises a radar component and a frequency conversion component separately installed on a to-be-detected vehicle and a target vehicle. A frequency of a transmitting radio wave and a frequency of a receiving radio wave of the radar component are separately a transmitting frequency and a receiving frequency. The frequency conversion component performs amplification and frequency conversionprocessing on a radio wave of a received transmitting frequency, and sending a radio wave with a frequency-converted receiving frequency. An objective of the present invention is to provide a vehicle-mounted radar detection system and a method thereof. Technical solutions of the present invention can be used to stabilize an echo power received by vehicle-mounted radar in a stable power range, sothat a radar receiver can work in a relatively stable working status, thereby implementing long-distance detection of the vehicle-mounted radar.

Description

technical field [0001] The invention relates to the technical field of vehicle radar, in particular to a vehicle radar detection system for long-distance detection and a method thereof. Background technique [0002] With the popularization of cars, more and more car radars are used in cars for driving assistance, including reversing assistance, blind spot detection, lane change assistance, and emergency braking assistance for anti-collision. [0003] In the vehicle anti-collision system, the radar calculates the distance by receiving the reflected wave of the transmitted wave. During the reflection process of the radar transmitted wave, the echo power received by the radar is not only related to the full-space radiation of the radar transmitted wave, but also related to The geometric shape, material, and size of the target object are related, so the power returned to the radar receiver only accounts for a small part of the transmitted power. If the echo power is too weak, i...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S13/93G01S7/02G01S7/35
CPCG01S13/931G01S7/02G01S7/352
Inventor 王宁
Owner HUIZHOU DESAY SV AUTOMOTIVE
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