Multifunctional radar data acquisition card

A radar data, multi-functional technology, applied in radio wave measurement systems, instruments, etc.

Inactive Publication Date: 2013-04-03
NAT UNIV OF DEFENSE TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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  • Multifunctional radar data acquisition card
  • Multifunctional radar data acquisition card
  • Multifunctional radar data acquisition card

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Embodiment Construction

[0055] figure 1 It is a block diagram of multifunctional radar data acquisition card, which is composed of radar signal interface, radar signal conditioning module, analog / digital conversion module, on-card memory, global clock module, high-speed communication interface and digital control logic module. The signals that the multifunctional radar data acquisition card needs to obtain from the sea surveillance radar system include radar analog echo signals, radar antenna signals and radar synchronization signals. The radar echo data and antenna azimuth data for display, detection, recording and identification purposes are transmitted to the back-end signal and data processing system of the sea surveillance radar through the high-speed communication interface, and the control commands of the multi-function radar data acquisition card are also sent through the high-speed communication interface .

[0056] figure 2 It is a block diagram of the analog echo signal conditioning sub...

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Abstract

The invention provides a multifunctional radar data acquisition card comprising a radar signal interface, a radar signal conditioning module, an analog to digital conversion module, a card storage, a global clock module, a high-speed communication interface and a digital control logic module, wherein the radar signal interface is used for outputting a signal received from outside to the radar signal conditioning module; a radar analog echo signal is subjected to the analog to digital conversion so as to form radar echo data, and the radar echo data is input to the digital control logic module; and the digital control logic module is used for respectively selecting the radar echo data with display, detection, enrolling and identification usages according to different requirements, and is in charge of transmitting the radar echo data with the display, detection, enrolling and identification usages to an external application system through the high-speed communication interface. By utilizing the multifunctional radar data acquisition card provided by the invention, digitization, intellectualization, integration and microminiaturization on a surface surveillance radar rear-end signal and a data processing system can be realized.

Description

technical field [0001] The invention relates to a signal acquisition and data processing system in a radar system, especially related to data display, detection, recording and identification processing of a radar display and control terminal. Background technique [0002] With the rapid development of military, aviation, aerospace and other technologies, the requirements of modularization, digitization, multi-function and miniaturization are put forward for the design of radar system. Only when the modules of the radar system are highly integrated can the radar system be provided with more functions within a limited volume and weight range. Only after the echo signal received by the radar front end is digitized, can various advanced digital signal processing technologies be used to realize the multifunctional characteristics of the radar system. Therefore, integrated design and digital processing are the basic prerequisites and inevitable requirements for the development of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01S7/41
Inventor 张乐锋吴建辉虞华胡卫东
Owner NAT UNIV OF DEFENSE TECH
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