Logistics Internet of Things positioning calibration system
A calibration system and Internet of Things technology, applied in the field of logistics Internet of Things positioning calibration system, can solve the problems of positioning signal attenuation, affecting signal transmission, affecting the operation of logistics Internet of Things positioning system, etc., to compensate for signal channel loss and reduce the impact of moisture Effect
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[0011]For the foregoing and other technical contents, features and effects of the present invention, please refer to the attachment belowfigure 1It will be clearly presented in the detailed description of the embodiments. The structural content mentioned in the following embodiments are all referenced to the drawings in the specification.
[0012]A logistics IoT positioning calibration system includes a filter receiving module and a frequency multiplication comparison module. The filter receiving module receives the analog signal before modulation in the logistics IoT positioning transmitter, and the filter receiving module is connected to the multiplication comparison module to perform multiplication comparison. The module outputs signals to the modulation module in the logistics IoT positioning transmitter;
[0013]The reflection of the mountains surrounding the terrain causes resonance between the signals, or the moisture in the rain and snow will affect the signal transmission, result...
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