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Radar intermediate-frequency receiving and signal processing board based on TM320C6678

A signal processing board and intermediate frequency technology, applied to radio wave measurement systems, instruments, etc., can solve the problems of insufficient integration of functional chips and insufficient processing capabilities, and achieve the effects of easy management, large cache capacity, and strong processing capabilities

Inactive Publication Date: 2013-02-27
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0003] The purpose of the present invention is to overcome the shortcomings of the existing radar real-time signal processing boards that the processing capability is not strong enough and the integration of various functional chips is not rich enough, and realizes a radar intermediate frequency based on C6678 for TI high-performance 8-core DSP and Xilinx high-performance FPGA Receiver and signal processing board

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  • Radar intermediate-frequency receiving and signal processing board based on TM320C6678

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Embodiment Construction

[0011] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0012] Such as figure 1 As shown, the radar intermediate frequency receiving and signal processing board based on TM320C6678 of the present invention includes a power supply module, two DSP processing nodes (DSP2), an FPGA processing node, three high-speed ADC modules, a high-speed DAC module, and an LVDS data acquisition output module, three low-speed ADC modules, two low-speed DAC modules, two synchronous serial port modules with isolation, and two FLASH modules. exist figure 1 Because there are many devices included in the present invention, some devices are omitted. For example, only one low-speed ADC and low-speed DAC are provided respectively; have modules, so in figure 1 given in.

[0013] The DSP processing node consists of a piece of TMS 320C6678 and a set of DDR3 SDRAM with a capacity of 1GB. The DSP access memory speed can reach 8...

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Abstract

The invention provides a radar intermediate-frequency receiving and signal processing board based on TM320C6678. The board comprises a power supply module, two DSP (Digital Signal Processor) processing nodes, an FPGA (Field Programmable Gate Array) processing node, three high-speed ADC (Analog to Digital Converter) modules, a high-speed DAC (Digital to Analog Converter) module, an LVDS (Low Voltage Differential Signaling) data acquisition output module, three low-speed ADC modules, two low-speed DAC modules, two isolated synchronous serial port modules and two FLASH modules. The processing board adopts a high-performance eight-core DSP and Xilinx high-performance FPGA, so that the board has the advantages that the processing capacity is high and the integration level of various functional chips is high.

Description

technical field [0001] The invention relates to a radar intermediate frequency receiving and signal processing board based on TM320C6678, which belongs to the field of radar real-time signal processing and related technical fields. Background technique [0002] Radar signal processing boards are mainly used in radar signal processing systems, and generally require high-speed multi-channel data acquisition functions, computationally intensive real-time signal processing functions, and dedicated external interface functions. However, most of the current radar real-time signal processing boards have poor computing power, low sampling rate, and small buffer capacity. The integration of various functional chips is not rich enough, and the interconnection capability of the board is poor. It is difficult to complete high data rate and computing-intensive radar. Signal processing tasks. Contents of the invention [0003] The purpose of the present invention is to overcome the sho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/285
Inventor 徐成发刘国满高梅国
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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