Method for testing base band chip of satellite navigation receiver
A baseband chip and satellite navigation technology, applied in satellite radio beacon positioning systems, measurement devices, radio wave measurement systems, etc., can solve the problems of high cost, insufficient time resolution and result resolution of tests, failure recurrence and Regression testing is difficult and other issues, to achieve the effect of cost reduction, verification speed and cost reduction
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[0039] This specific embodiment comprises the steps in turn:
[0040] 1) According to the user's input or preset, decide whether to use existing data for testing or collect new RF signals for testing, if using existing data for testing, go to step 5), if collecting new data To test, then go to 2) step;
[0041] 2) Convert the received navigation satellite radio frequency signal into a digital intermediate frequency signal through down-conversion, AGC, and ADC;
[0042] 3) Under the control of the digital intermediate frequency signal acquisition and storage control program, the digital intermediate frequency signal is collected and converted into a binary file and stored on the PC hard disk;
[0043] 4) The digital intermediate frequency signal acquisition control program decides to terminate the data acquisition process or perform the next data acquisition according to the user's input or preset, if it decides to perform the next data acquisition, then jump to step 2), if it d...
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