Broadband object simulator verification platform and verification method

A target simulator and verification platform technology, which is applied to the broadband target simulator verification platform and verification field, can solve problems such as difficulty in applying ultra-wideband, high-resolution radar echo simulation scenarios, and small verifiable range, achieving clock synchronization, Saving resources and time costs, and convenient operation

Inactive Publication Date: 2018-05-18
BEIJING AEROSPACE FUDAO HIGH TECH
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Problems solved by technology

[0006] The present invention mainly solves the technical problems existing in the prior art that the verifiable range is small, and it is difficult to apply to ultra-wideband and high-resolution radar echo simulation scenarios, and provides a wide-band target simulator verification platform and verification method

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  • Broadband object simulator verification platform and verification method
  • Broadband object simulator verification platform and verification method

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Embodiment

[0056] The broadband target emulator verification platform of this embodiment is as figure 1 As shown, it specifically includes a signal generation module, a data acquisition module, and a data analysis module. Each module and its method are introduced separately below.

[0057] 1. Signal generation module and method

[0058] The signal generation module is a wideband radar signal source based on DDS technology. The signal source needs to generate the transmit signal, the local oscillator signal and the frame synchronization signal. In order to save hardware resources, the signal source only needs to design the DDS parameters according to the frequency of the local oscillator signal. The transmit signal is obtained by multiplying the simple pulse of equal period and the local oscillator signal. , while the frame sync signal is an I / O signal. The implementation of the signal source is to build an algorithm based on the SystemGenerator platform, use the DDS module to generate t...

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Abstract

The invention relates to a broadband object simulator verification platform and verification method; the broadband object simulator verification platform comprises the following units: a signal generation module used for forming parallelly outputting emission signal, local oscillator signal and frame synchronising signal according to radar signal parameters, wherein the local oscillator signal isformed by a DSS unit in a lookup mode according to a frequency control word calculated through the signal parameters; a data acquisition module used for caching an AD inputted signal to a FLASH arraythrough a DDRIISDRAM, and said signal can be read by a host computer through a PCIE interface; a data analysis module used for processing the waveform data gathered by the data acquisition module, andverifying a simulation echo effect formed by a simulator. The platform and method can satisfy verification needs of different-system radar object simulators; the signal generation module can producea plurality of radar signal waveforms; the data analysis module has processing algorithms for the plurality of radar echo signals, and has general applicability, thus saving mass resources and time costs for the simulator performance verification works.

Description

technical field [0001] The invention relates to a verification platform and a verification method, belonging to the field of radar measurement and control, in particular to a wide-band target simulator verification platform and a verification method. Background technique [0002] The target simulator is a test platform that generates target echo signals and interference signals required for radar testing based on the target model and motion attitude simulation. The target simulator verification platform is to verify whether the test signals generated by the simulator meet the requirements. [0003] As the range of the radar to be tested becomes wider and the test accuracy requirements are higher and higher, the target simulator is also developing in the direction of multi-band, multi-mode, and large bandwidth. At present, the most extensive research on simulator technology is ultra-wideband, The simulation of high-resolution radar echo signals and step-frequency radar signa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01S7/40
CPCG01S7/4052
Inventor 吕昊
Owner BEIJING AEROSPACE FUDAO HIGH TECH
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