Measuring data simulation method for autonomous navigation system based on sun-earth-moon azimuth information
An autonomous navigation system and azimuth information technology, which is applied in the field of numerical simulation based on the measurement information of the sun-earth-moon integrated sensor, and the field of autonomous navigation simulation test, which can solve the problems of inability to achieve high-precision simulation of moon shape changes, inability to simulate and so on.
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[0070] First, analyze the measurement geometric relationship of the integrated sensor of the sun, the earth and the moon, and analyze the number of pulses obtained by scanning the sensor in one circle; the analysis results of the measurement geometry can be used to directly obtain the simulation method of the reference pulse; according to the integrated sensor Measure the geometric relationship, use the earth's ellipsoid equation to establish a simulation of the earth's pulse, and give the pulse time when the sensor sweeps into and out of the earth; then establish a moon phase model, and use the sensor to measure The geometric relationship determines that the slit field of view of the sensor sweeps to the moon pulse; finally, according to the direction of the sun, the sensor measures the geometric relationship to determine that the slit field of view of the sensor sweeps to the sun pulse.
[0071] 1. Sensor measurement geometry analysis
[0072] The navigation sensor consists ...
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