GPS satellite simulatior signal estimation based on ANN

Kou Yanhong; Yang Dongkai; Chang Qing; Zhang Qishan

Volume 25 Issue 8

Aug. 2003

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Article Navigation > Journal of Electronics & Information Technology > 2003 > 25(8): 1029-1034

Kou Yanhong, Yang Dongkai, Chang Qing, Zhang Qishan. GPS satellite simulatior signal estimation based on ANN[J]. Journal of Electronics & Information Technology, 2003, 25(8): 1029-1034.

Citation:

Kou Yanhong, Yang Dongkai, Chang Qing, Zhang Qishan. GPS satellite simulatior signal estimation based on ANN[J]. Journal of Electronics & Information Technology, 2003, 25(8): 1029-1034.

Kou Yanhong, Yang Dongkai, Chang Qing, Zhang Qishan. GPS satellite simulatior signal estimation based on ANN[J]. Journal of Electronics & Information Technology, 2003, 25(8): 1029-1034.

Citation:

Kou Yanhong, Yang Dongkai, Chang Qing, Zhang Qishan. GPS satellite simulatior signal estimation based on ANN[J]. Journal of Electronics & Information Technology, 2003, 25(8): 1029-1034.

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GPS satellite simulatior signal estimation based on ANN

Received Date: 2003-01-28
Rev Recd Date: 2003-04-21
Publish Date: 2003-08-19

Abstract

Abstract

Multi-channel GPS satellite signal simulator provides realistic test signals for GPS receivers and navigation systems. In this paper, signals arriving the antenna of GPS receiver are analyzed from the point of view of simulator design. Focus is put on the estimation meth-ods of several signal parameters that are difficult to determine- directly according to existing experiential models due to various error factors. Based on the theory of Artificial Neural Net-work (ANN), an approach to simulate signal propagation delay, carrier phase, power, and other parameters using ANN is proposed. The architecture of the hardware-in-the-loop test system is given. The ANN training and validation process is described. Experimental results demon-strate that the ANN designed can simulate sample data statistically in high fidelity. Therefore the computation of signal state based on this ANN can meet the design requirement, and can be directly applied to the development of multi-channel GPS satellite signal simulator.

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References(1)

References

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