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Signal interference-prevention type 3D imaging laser radar

A signal interference and lidar technology, applied in the field of 3D imaging lidar, can solve the problems of radar signal interference, circuit signals without effective anti-interference measures, and can only work indoors with power supply, so as to achieve stable and true signals, The effect of preventing interference and enhancing usability

Inactive Publication Date: 2018-04-10
CHENGDU JINCAI TECH
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  • Summary
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  • Claims
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Problems solved by technology

[0003] However, the existing 3D imaging lidar does not take measures against the surge caused by the opening and closing of the power supply, and the existing design does not carry out effective anti-interference measures for the processing of circuit signals. In addition, the existing design device body is also It will cause a certain degree of interference to the radar signal, and it can only work indoors with power supply

Method used

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  • Signal interference-prevention type 3D imaging laser radar
  • Signal interference-prevention type 3D imaging laser radar
  • Signal interference-prevention type 3D imaging laser radar

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Embodiment Construction

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, 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.

[0019] see Figure 1-3 , the present invention provides a technical solution: a 3D imaging lidar that prevents signal interference, including a laser transmitter 1, a laser signal processing device 2 and a base 3, a laser generator 102 is provided at the left end of the laser transmitter 1, and the laser generator The device 102 is fixedly connected to the laser transmitter 1, and the left end of the laser transmitter 1 is provided with a high-transparency pro...

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Abstract

The invention discloses a 3D imaging laser radar for preventing signal interference, which includes a laser transmitter, a laser signal processing device and a base. The left end of the transmitter is equipped with a high-transparency protective lens, which is embedded on the laser transmitter, and a convex lens is provided between the high-transparency protective lens and the laser generator, and the convex lens is clamped between the laser generator and the high-transparency protective lens. This kind of anti-signal interference 3D imaging laser radar has a copper-aluminum alloy shell at the end of the laser transmitter, and the copper-aluminum alloy shell is set in a "cylindrical" shape, and the metal can effectively shield the interference between signals. The anti-signal interference 3D imaging laser radar has a battery inside, which can make the device work without the power line, which meets the needs of radar field work and realizes its portability.

Description

technical field [0001] The invention relates to the technical field of laser radar, in particular to a 3D imaging laser radar for preventing signal interference. Background technique [0002] Lidar is a radar system that emits laser beams to detect the position, speed and other characteristic quantities of the target. Its working principle is to transmit a detection signal (laser beam) to the target, and then receive the signal reflected from the target (target echo) ) is compared with the transmitted signal, and after proper processing, the relevant information of the target can be obtained, such as target distance, azimuth, height, speed, attitude, and even shape parameters, so as to detect, track and identify aircraft, missiles and other targets , it consists of a laser transmitter, an optical receiver, a turntable and an information processing system. The laser converts electrical pulses into optical pulses and emits them. The optical receiver then restores the optical p...

Claims

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Application Information

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IPC IPC(8): G01S17/89G01S7/481
CPCG01S17/89G01S7/481
Inventor 朱涛
Owner CHENGDU JINCAI TECH
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