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Broadband radar waveform generator and implementation method

A waveform generator and wideband radar technology, applied in instruments, radio wave measurement systems, etc., can solve the problems of limited waveform types, limited operating frequency and bandwidth, etc., to achieve large operating bandwidth, saving resources, and achieving simple effects

Inactive Publication Date: 2019-12-13
BEIJING INST OF REMOTE SENSING EQUIP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a broadband radar waveform generator to solve the problems of limited operating frequency and bandwidth, and limited types of waveforms

Method used

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  • Broadband radar waveform generator and implementation method
  • Broadband radar waveform generator and implementation method
  • Broadband radar waveform generator and implementation method

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. According to the following description and claims, the advantages and features of the present invention will be more clear. It should be noted that all the drawings are in very simplified form and inaccurate scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0027] It should be noted that, in order to clearly illustrate the content of the present invention, the present invention specifically cites multiple embodiments to further explain different implementation modes of the present invention, wherein the multiple embodiments are enumerated rather than exhaustive. In addition, for the sake of brevity of description, the content mentioned in the previous embodiment is often omitted in the latter embodiment, therefore, the content not mentioned in the later embo...

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Abstract

The invention discloses a broadband radar waveform generator and an implementation method. According to the broadband radar waveform generator, a control word calculator is used for calculating frequency control words and phase control words according to different waveforms; a frequency accumulator is adopted for accumulating frequency control words; a phase accumulator is adopted for accumulatingphase control words; the output of the phase accumulator is input into a function lookup table to obtain waveform data; the waveform data is input into a first-in first-out memory for rate conversion, and then output of the first-in first-out memory is input into an interface converter for parallel-serial conversion and single-end to differential conversion; and finally, a conversion result is sent to a digital-to-analog converter, and a broadband radar waveform is output. The method has the advantages that the working bandwidth is large, the waveform can be flexibly configured and the like,resources are saved in a real-time calculation mode, and the method has high application value.

Description

technical field [0001] The invention relates to a broadband radar waveform generator and a realization method. Background technique [0002] The traditional radar waveform generator is usually generated by a dedicated DDS chip, the operating frequency and bandwidth are limited, and the types of waveforms that can be generated are limited, which cannot meet the needs of new radar waveforms. Contents of the invention [0003] The purpose of the present invention is to provide a broadband radar waveform generator, which solves the problems of limited operating frequency and bandwidth, and limited types of waveforms. [0004] In view of this, the technical solution provided by the present invention is: a broadband radar waveform generator, characterized in that, comprising: [0005] Control word calculator, used to calculate frequency control word and phase control word; [0006] The frequency accumulator is used to accumulate the frequency control word and output it; [00...

Claims

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Application Information

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IPC IPC(8): G01S7/02
CPCG01S7/02
Inventor 祝昇翔
Owner BEIJING INST OF REMOTE SENSING EQUIP
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