Magnetic anomaly signal measuring device and measuring method

Abstract

The invention provides a magnetic anomaly signal measuring device. The magnetic anomaly signal measuring device comprises a three-axis magnetic field sensor, a distance measuring sensor and a data calculation processing unit; the three-axis magnetic field sensor measures a magnetic field signal generated by a ferromagnetic target in a monitoring range at the position of the magnetic field sensor;the distance measuring sensor measures the vertical distance from the sensor to the target track; the three-axis magnetic field sensor and the distance measuring sensor are used for inputting signalsinto the data calculation processing unit for calculating the operating speed of the target. The invention further provides a magnetic anomaly signal measuring method. The measuring device and the measuring method are not influenced by various environmental conditions, such as rain, snow, wind, fog, haze and the like, and can be used for measuring targets such as vehicles, airplanes and the like on various roads under the condition that other measurement means are invalid; and only the single three-axis magnetic field sensor is adopted to be matched with one distance measuring sensor to fulfill the purpose. The measuring device and the measuring method have a high application prospect.

Description

technical field [0001] The invention relates to the field of magnetic field measurement, in particular to a magnetic anomaly signal measuring device and a measuring method for measuring moving objects and their speeds. Background technique [0002] The method of measuring the motion and state of the object by using the disturbance of the magnetic field by the object is called magnetic anomaly measurement. This method has many advantages. The magnetic field measurement is not affected by various environmental conditions such as rain, snow, wind, heavy fog, and haze. and other targets to measure. In the existing measurement methods, a single sensor often can only make a qualitative judgment on the approach and distance of the target; the measurement of parameters such as the speed of the target often requires multiple sensor networks to achieve. Contents of the invention [0003] The invention provides a magnetic anomaly signal measuring device and method, which only needs...

AI Technical Summary

Problems solved by technology

In the existing measurement methods, a single sensor can only make a qualitative judgment on the approach and distance of the target; the measurement of parameters such as the speed of the target often requires multiple sensor networks to achieve

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