Method for measuring motion speed of analog target signal and device for realizing the method
A technology for simulating targets and moving speeds, applied to radio wave measurement systems, instruments, etc., to achieve the effects of high measurement accuracy, high work efficiency, and reliable measurement guarantee devices
Inactive Publication Date: 2014-07-02
AVIC GUIZHOU AIRPLANE
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Problems solved by technology
This method fully utilizes the single-chip microcomputer system technology, and solves the measurement and calibration problem of the radar analog signal movement speed parameters of the radar comprehensive tester and other instruments to be measured and calibrated in the national defense aviation production measurement calibration with a single measuring device
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A method for measuring the moving speed of an analog target signal and a device for realizing the method, relating to a method for measuring and calibrating the moving speed of a target analog signal output by a similar metered and calibrated instrument such as a radar comprehensive tester and a device for realizing the method. A pulse signal with a fixed frequency is generated by a signal generator, and one of them is divided into frequency and at the same time the width of the pulse signal is adjusted and amplified, and input to the measured and calibrated instrument, and the measured and calibrated instrument outputs a radar simulation target with a certain movement speed parameter The signal is attenuated and shaped to one end of the pulse phase comparator; the other signal is input to the other end of the comparator after being delayed and widened, and the counter is turned on and off by the microcontroller to obtain the movement time of the radar analog signal at a standard distance, thereby obtaining its speed of movement. The invention has the advantages of small volume, light weight, short time for measurement preparation and completion, direct display of measurement data, and high efficiency of measurement and calibration work.
Description
Method for measuring motion speed of analog target signal and device for realizing the method technical field The invention relates to the technical field of measurement and calibration, in particular to a method for measuring and calibrating the moving speed of a target analog signal output by a radar comprehensive tester and the like and a device for realizing the method. Background technique In aircraft production and maintenance, the test and inspection of airborne radar is an important content in production and maintenance. The radar comprehensive tester used in it is the key instrument and equipment necessary to complete this work. However, the movement speed parameter of the radar simulated target signal output by the radar comprehensive tester and other similar instruments is a relatively professional and special parameter in the field of defense aviation production, with high accuracy requirements, which cannot be met by general-purpose measuring instruments. Met...
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Inventor 张应猛
Owner AVIC GUIZHOU AIRPLANE