组合chirp 信号在水下声基站定位信号冲突避免中的应用研究

邱念庭, 陈胜利, 袁飞, 程恩 - 南京大学学报(自然科学版), 2017 - jns.nju.edu.cn
In underwater acoustic base station positioning, the positioning signal sent by each base
station is affected by multi-path effect and so on, so it is easy to generate signal collision …

Chirp-rate quasi-orthogonality based DSSS-CDMA system for underwater acoustic channel

F Yuan, Z Jia, E Cheng - Applied Acoustics, 2020 - Elsevier
Underwater network node positioning is a key supporting technology for underwater
networks. Generally, nodes at known locations (anchor nodes) are used to transmit location …

Influence of interface reflection on positioning performance and restraining technology

J FU, G LIANG, G ZHANG - Acta Armamentarii, 2009 - co-journal.com
Based on the positioning solving principle of synchronous underwater acoustic positioning
system, the effect of error in time-delay estimation from a single sensor on positioning …

Basic study on acoustic communication using direct-sequence spread spectrum for underwater acoustic positioning

Y Watanabe, H Ochi, T Shimura - Japanese journal of applied …, 2005 - iopscience.iop.org
Supershort baseline (SSBL) underwater acoustic positioning is commonly utilized in
estimating the positions of transponders, observation devices and submersibles. The new …

A Study on the Underwater Acoustic Communication with Direct Sequence Spread Spectrum

JW Han, KM Kim, YJ Son - Journal of Navigation and Port …, 2011 - koreascience.kr
In this paper, we study the application of DSSS (Direct Sequence Spread Spectrum) in
underwater acoustic communication for robust the ISI (Inter-Symbol Interference. We confirm …

Performance of spread spectrum communication for underwater acoustic positioning system

C Lv, B Shen, C Tian, X Guo… - 2020 IEEE 4th …, 2020 - ieeexplore.ieee.org
Underwater vehicles are commonly used in ocean industries. Because the sound wave is
the most effective carrier for transmitting information underwater until now, underwater …

A fractional Fourier transform–based channel estimation algorithm in single-carrier direct sequence code division multiple access underwater acoustic communication …

L Zhou, Q Zhao, S Chi, Y Li, L Liu… - International Journal of …, 2019 - journals.sagepub.com
Due to the complexity and variability of the underwater acoustic channel, the communication
signal is affected by multi-path, time delay, and Doppler frequency shift. Based on the …

[引用][C] 分数阶Fourier 变换在水声定位中的应用

王晓雪 - 2011 - 哈尔滨工程大学

[引用][C] 基于单载波通信技术的水声同步定位研究

徐韬 - 2010 - 华南理工大学

[引用][C] Adaptive threshold setting for wideband signal detection

XS Zhang, L Guo, FH Kong… - Technical …, 2011 - Shanghai Acouctics Society …