Semi-aviation electromagnetic high-power transmitter and operation method thereof

Abstract

The invention discloses a semi-aviation electromagnetic high-power transmitter and an operation method thereof, the semi-aviation electromagnetic high-power transmitter comprises an FPGA, and an isolation circuit, a display driving circuit, a signal conditioning circuit, an ADC acquisition circuit and a GPS or Beidou module which are electrically connected with the FPGA, the isolation circuit is electrically connected with an IGBT full bridge through a driving circuit, the IGBT full bridge is electrically connected with a load, and the load is electrically connected with the display driving circuit. The voltage sensor and the current sensor are electrically connected with the load and the signal conditioning circuit, in addition, a high-power power supply is loaded at the high-voltage end of the IGBT full bridge, and the display driving circuit is electrically connected with the display screen. The transmitter disclosed by the invention is designed for detecting an underground artificial hole of 0-200 meters, can effectively detect information of the artificial hole under the shallow earth surface, can transmit a plurality of frequency points required by the depth of a target at one time for a specific depth target, reduces the number of flight measurement times, and improves the detection efficiency.

Description

technical field [0001] The invention belongs to the field of aviation geophysical detection technology, and in particular relates to a semi-aeromagnet high-power transmitter and its operating method in the field. Background technique [0002] Aeronautical geophysical detection technology is a fast, efficient and non-destructive modern high-tech civil and military technology. It is a method that can quickly and accurately realize non-contact and non-destructive detection. In terms of civil use, the development of underground space is an important trend in the expansion of urban space. The expansion of urban underground space is also developing from shallow to deep. The development of efficient, fast, large-scale, and fine-scale aerial geophysical survey technology will help the development and utilization of urban underground space. , comprehensive management and disaster prevention and mitigation are of great significance. [0003] The semi-aerial electromagnetic method, al...

AI Technical Summary

Problems solved by technology

If ordinary pseudo-random codes are used to detect targets at specific depths, multiple launches and repeated flights are required, resulting in low detection efficiency and high costs.

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