A signal processing scheme to improve the performance of some sonar systems

Xu Lu-fen

doi:10.1007/BF02848212

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A signal processing scheme to improve the performance of some sonar systems

OriginalPaper | Updated：2023-05-16

- A signal processing scheme to improve the performance of some sonar systems
- A signal processing scheme to improve the performance of some sonar systems
- 海洋湖沼学报（英文） 1998年16卷第1期页码：17-20
- Affiliations：
  
  Institute of Subtropical Oceanography
- Author bio：
- Funds：
  
  Project supported by the NSF of Fujian Province.
- DOI：10.1007/BF02848212
  中图分类号：
- 纸质出版：1998
- Accepted：
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A signal processing scheme to improve the performance of some sonar systems[J]. 海洋湖沼学报（英文）, 1998,16(1):17-20.

Lu-fen, X. A signal processing scheme to improve the performance of some sonar systems., Chin. J. Ocean. Limnol. 16, 17–20 (1998). https://doi.org/10.1007/BF02848212
A signal processing scheme to improve the performance of some sonar systems[J]. 海洋湖沼学报（英文）, 1998,16(1):17-20. DOI： 10.1007/BF02848212.

Lu-fen, X. A signal processing scheme to improve the performance of some sonar systems., Chin. J. Ocean. Limnol. 16, 17–20 (1998). https://doi.org/10.1007/BF02848212 DOI：

摘要

Abstract

Some statistical characteristics of signal and noise in shallow-water acoustical channel were analysed. Based on the differences in some statistical characteristics between the signal and the noise

the authors developed a new kind of signal processing technique—digital time correlative accumulation to operate sonar systems at a low data rate. Theoretical analyses and experimental results show: the false-alarm probability can be reduced to a low value of less than 10−4 while the detection probability can reach a relatively high value of more than 0.9. By using the statistical averages of the multiple range detection value

the authors can greatly improve the accuracy of the detection. The method can be used for some other related fields

for example

ultrasonic detection in air medium.

关键词

Keywords

references

Xu Tianzeng, 1990. A digital time correlative acculation I. auto-correlative accumulation.Chinese Journal of Acoustics 9(4): 365–371.

Xu Tianzeng, 1991. A digital time correlative accumulation II. cross-correlative accumulation.Chinese Journal of Acoustics 10(1): 86–91.

Xu Tianzeng, Xu Shuiyuan, 1990. Application of digital time correlative accumulation to echo sounder and fish finder. Proceedings of International Workshop on Marine Acoustics, China Ocean Press, Beijing, pp. 165–170.

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