Volume 27 Issue 3
May  2007
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WANG Mengli, WANG Feixue. Estimation of Satellite Signal's Propagation Delay for Fast and Direct Acquisition of Long Cycle and High Rate Pseudo-Random Code [J]. Journal of Space Science, 2007, 27(3): 253-257. doi: 10.11728/cjss2007.03.253
Citation: WANG Mengli, WANG Feixue. Estimation of Satellite Signal's Propagation Delay for Fast and Direct Acquisition of Long Cycle and High Rate Pseudo-Random Code
[J]. Journal of Space Science, 2007, 27(3): 253-257. doi: 10.11728/cjss2007.03.253

Estimation of Satellite Signal's Propagation Delay for Fast and Direct Acquisition of Long Cycle and High Rate Pseudo-Random Code

doi: 10.11728/cjss2007.03.253
  • Received Date: 1900-01-01
  • Rev Recd Date: 1900-01-01
  • Publish Date: 2007-05-15
  • In satellite navigation and positioning system, time is important information for fast and direct acquisition of long cycle code, one of its important aspects is the uncertainty compression of signal's propagation delay to reduce time search range. Based on coarse data of positions of user and satellite, estimation algorithms of propagation delay between different satellites and users are given. Simulation results indicate that the algorithm can reduce the delay's uncertainty range greatly, even with great position errors the uncertainty range still can be reduced to the half, and is effective for the fast acquisition of long cycle code.

     

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