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Transmitting module of correlated imaging laser radar

A transmitting module and laser radar technology, applied in radio wave measurement systems, instruments, etc., can solve the problems of low energy utilization rate of freely propagating light, imaging distance limitation, etc., achieve fast pulse emission speed, reduce ghosting intensity, light The effect of high availability

Active Publication Date: 2012-09-19
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Prior Technology 1 (Chinese Patent, Application No.: 200910195346.0) discloses a lensless correlation imaging device. Energy efficiency is also lower

Method used

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  • Transmitting module of correlated imaging laser radar
  • Transmitting module of correlated imaging laser radar
  • Transmitting module of correlated imaging laser radar

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Embodiment Construction

[0037] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, but the protection scope of the present invention should not be limited.

[0038] figure 1 It is a schematic structural diagram of a preferred embodiment of the transmitting module of the associated imaging lidar of the present invention, as figure 1 As shown, the emission module of the associated imaging lidar of the present invention includes: a speckle light source 2, an imaging system 3, a data storage 4 and a synchronization controller 5, and the speckle light source 2 and the imaging system 3 are fixed on the base 1;

[0039] The speckle light source 2 is composed of a laser 201, a beam converter 202, a light scattering plate 203, an electric translation table 204 and an electric rotating table 205, and the light scattering plate 203 is fixed on the electric rotating table 205;

[0040] The imaging system 3 is composed of a field lens 301, a first ...

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Abstract

The invention relates to a transmitting module of a correlated imaging laser radar. The transmitting module is characterized in that the transmitting module comprises a speckle light source, an imaging system, a data memory and a synchronous controller, wherein the speckle light source and the imaging system are fixed on a same base. The transmitting module disclosed by the invention has the characteristics of high pulse transmitting speed, high utilization rate of light energy, capability of effectively reducing ghosting strength of a reference light field, and the like.

Description

technical field [0001] The invention relates to an associated imaging laser radar, in particular to a transmitting module of an associated imaging laser radar. Background technique [0002] Correlative imaging (including ghost imaging and compressed sensing) is a new imaging regime. It uses the fluctuation of the light field to encode the target, and only uses a detector without spatial resolution to receive multiple target reflection signals, and a clear image of the target can be obtained through the correlation algorithm. [0003] Zhao Shengmei from Nanjing University of Posts and Telecommunications's master thesis "Research on Thermal Light Ghost Imaging and Compressed Sensing Application" introduced the ghost imaging algorithm in detail, David L. Donoho's article "Compressed Sensing", IEEE Transactions on Information Theory, V52, NO. 4, 2006. The formulation and proof of compressive sensing algorithms are described in detail. [0004] Applying correlative imaging to l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/484
Inventor 赵成强徐文东焦佳崔丽君
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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