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Cloud particle signal acquisition and data transmission apparatus based on FPGA and method thereof

A data transmission device and signal acquisition technology, used in signal transmission systems, electrical signal transmission systems, instruments, etc., can solve the problems of poor flexibility, high price, and limited use of occasions, to improve accuracy, suppress common problems, etc. The effect of modulo interference

Pending Publication Date: 2018-07-10
INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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Problems solved by technology

In the prior art, the commonly used high-speed signal acquisition method is to use a high-speed digital signal acquisition card, but the use of the acquisition card needs to be combined with an industrial computer, which has poor flexibility, greatly limited usage occasions, and is quite expensive

Method used

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  • Cloud particle signal acquisition and data transmission apparatus based on FPGA and method thereof
  • Cloud particle signal acquisition and data transmission apparatus based on FPGA and method thereof
  • Cloud particle signal acquisition and data transmission apparatus based on FPGA and method thereof

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Embodiment Construction

[0028] Such as figure 1 As shown, the present invention has designed a kind of FPGA-based cloud particle signal acquisition and data transmission device, including the analog quantity acquisition unit for cloud particle signal acquisition, clock generation module, FPGA processing unit, serial port communication module, power supply module, wherein The analog acquisition unit, the FPGA processing unit, and the serial port communication module are connected sequentially; the serial communication module is connected with an external host computer; the clock generation module and one end of the power supply module are connected with the FPGA processing unit; the analog acquisition unit includes a photoelectric Signal conversion module, signal processing module, AD conversion module; the AD conversion module is connected with the FPGA processing unit; the optical signal scattered by cloud particles is converted into a voltage signal through a photoelectric conversion circuit, and th...

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Abstract

The invention discloses a cloud particle signal acquisition and data transmission apparatus based on FPGA and a method thereof. The apparatus comprises an analog quantity acquisition unit, a FPGA processing unit, a serial port communication module, a clock generation module, and a power supply module; the FPGA processing unit is connected with the analog quantity acquisition unit and the serial port communication module; and the analog quantity acquisition unit comprises a light electric signal transition module, a signal processing module and a high speed AD transition module which are connected in order. The high speed AD transition chip and FPGA programming control increase the data acquisition speed, and the high speed acquisition requirement on cloud micro physical parameters under airborne condition.

Description

technical field [0001] The present invention relates to a cloud particle signal collection and data transmission device and method under airborne measurement conditions, in particular to an FPGA-based cloud particle signal collection and data transmission device and method, which are used to monitor small clouds in the cloud under airborne conditions. The optical scattering signal of the particles is collected at high speed and processed by signal algorithm, and the data between the instrument and the computer is transmitted at high speed. Background technique [0002] In recent years, with the continuous development of my country's meteorological cause, aircraft measurement plays an increasingly important role in the research of atmospheric physics and weather modification. The measurement of cloud microphysics by means of observation instruments carried by aircraft has become an important technical means in the research of cloud microphysics and weather modification. Airb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G08C19/00
CPCG08C19/00
Inventor 黄敏松雷恒池陈家田张晓庆郑首印
Owner INST OF ATMOSPHERIC PHYSICS CHINESE ACADEMY SCI
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