Real-time millimeter wave radar signal processing system and method based on external ballistics

Abstract

The invention discloses a real-time millimeter wave radar signal processing system based on external ballistics. The real-time millimeter wave radar signal processing system comprises a signal processing circuit, an AD switching circuit, an FPGA module, an ARM processor and an upper computer which are sequentially connected, wherein the signal processing circuit can convert Doppler signals into analog signals which are suitable for a system circuit to process, the AD switching circuit can convert analog signals into digital signals and input the digital signals into the FPGA module to be processed, the FPGA module serves as a coprocessor and can convert time-domain signals into frequency-domain signals, the ARM processor serves as a main controller, is in charge of operation of the whole system and controlling communication and data transmission and storage of all the modules and can send the frequency-domain signals output by the FPGA module to the upper computer, and the upper computer can carry out power spectrum recognition on the frequency-domain signals, can remove aberrant points through a trace method, can carry out fitting processing to finally obtain a velocity curve and can calculate out an initial velocity value. The real-time millimeter wave radar signal processing system based on the external ballistics has the advantages of being high in integration, low in power consumption, low in cost and wide in application scope.

Description

technical field [0001] The invention belongs to the technical field of speed measuring radar, and in particular relates to a system and method for real-time processing of signals of an outer ballistic millimeter wave speed measuring radar. Background technique [0002] Weapon testing technology is the basis for developing weapon technology and an indispensable part of weapon research and production. The measurement of projectile flight speed is a crucial content in the test of various motion parameters of weapon system. It is an important index to measure the characteristics of weapons, and it is of great significance to the design and detection of weapons. Traditional speed measurement techniques such as canopy target testing, coil target testing and other methods can no longer meet the needs of real-time battlefield testing due to the cumbersome testing process and poor accuracy. The millimeter-wave speed measuring radar has been successfully applied to the testing of th...

AI Technical Summary

Problems solved by technology

The patent application number is CN 201511027374.3, and the Chinese patent titled "A Method for Recognition of Signals of Continuous Shooting Projectiles for an Indoor Target Light Curtain Velocity Measuring Device" belongs to the field of external ballistic parameter measurement, but it specifically relates to an indoor target light curtain velocity measuring device The signal identification method of continuous shooting projectiles cannot provide ballistic speed measurement outside the shooting range with a long distance outdoors

Images