Effect of scattering particle size on signal to noise ratio in Doppler speed measuring with laser device

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Effect of scattering particle size on signal to noise ratio in Doppler speed measuring with laser device

更新时间：2025-09-01

- Effect of scattering particle size on signal to noise ratio in Doppler speed measuring with laser device
- Issue 2, Pages: 164-165(2003)
- 作者机构：
  
  1. 1:大连海事大学数理系
  2. 2:大连海事大学数理系
  3. 3:大连海事大学数理系,辽宁,大连,116026
  4. 4,辽宁,大连,116026
- 作者简介：
- 基金信息：
- DOI：
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- Published：2003
- 稿件说明：
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Effect of scattering particle size on signal to noise ratio in Doppler speed measuring with laser device[J]. 2003, (2): 164-165.
DOI：

Effect of scattering particle size on signal to noise ratio in Doppler speed measuring with laser device[J]. 2003, (2): 164-165. DOI：

摘要

采用双光束干涉条纹模型

用光散射理论分析了激光多普勒测速中球形散射粒子的大小对散射光信噪比的影响。用数值解法求得了信噪比随散射粒子半径变化的曲线。仅从穿过测控区时光信号的信噪比这一方面考虑

结论是:粒子半径的取值不应大于干涉条纹宽度的0.35倍。

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