Temperature compensation-based system time delay error correction method
A technology of time delay error and correction method, applied in radio wave measurement systems, satellite radio beacon positioning systems, measurement devices, etc., can solve problems such as increasing the complexity of design and constraining the range of device selection.
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[0093] Use two precision ranging products for two-way ranging, one of which is outside the incubator (marked as precision ranging product A) under constant temperature conditions, and the other (marked as precision ranging product B) is in the temperature-varying temperature inside the incubator condition. The change of the ranging delay of the receiving signal of the precision ranging product A reflects the variation law of the transmitting delay of the transceiver with temperature, and the change of the ranging delay of the receiving signal of the precision ranging product B reflects the variation of the receiving delay of the transceiver with the temperature. change rule. The ambient temperature is cyclically switched in 4 temperature ranges, including: 30°C, 20°C, 10°C, 0°C.
[0094] Utilizing the method in the present invention, the transmission time delay and reception time delay before and after temperature compensation are shown in Table 1 and Table 2. Among them, Tab...
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