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shuixiazhikuoxitong
- 水下扩频系统研究,本系统采用直接扩频序列方式,在有多径水声信道和无多径的水声信道进行研究比较
基于声线理论的水下信道模拟
- 基于声线理论的水下信道模拟 负梯度声速
underwater-communication
- Carrierless modulation using bandlimited pseudo-noise signals and code hopping 这是一个水下信号传输的模拟,用于snr很低的情况(-30db),利用m-sequences去code信号。可用于军用环境(不易被探测)和水下信道很恶劣的环境(snr很低)-Carrierless modulation using bandlimited pseudo-noise signals and code hopping
Zuijian_xindao3
- 水下声信道的声线建模,共有水面反射、水底反射和直达三条路径的模型-Voice modeling of underwater acoustic channel, a total water surface reflection, bottom reflection and the direct three path model
ssbxinhao5102
- 一个简单的单边带调制水下语音通信过程的实现,包括信号仿真和信道仿真已经信号接收处理-A simple single-sideband modulation underwater voice communication process, including the signal simulation and channel simulation signal receiving and processing
Channel-generator
- 利用labview做显控程序,产生水下声信道的信道波形-Channel generator
Underwater--channel-simulation-
- 水声信道仿真程序。用于水下声信道的仿真。-Underwater acoustic channel simulation program.Used in underwater acoustic channel simulation.
filter
- 时变信道仿真,适合水下缓慢时变信道,处理有些慢-Time-varying channel simulation code for simulation of underwater want, when you change the channel processing speed is somewhat slow
main
- 被动声纳仿真互相关损失,MATLAB仿真模拟,匹配滤波(Passive sonar simulation, cross-correlation loss, MATLAB simulation, matched filtering)
beranddistance
- 对OOK、BPSK、QPSK、16QAM、64QAM在水下信道传输的性能分析,作出信噪比-距离曲线。(The performance of OOK, BPSK, QPSK, 16QAM and 64QAM in underwater channel transmission is analyzed, and the SNR distance curve is made.)
UCE_GlobalSip2015_v3
- 为水下信道估计代码,对新手非常具有参考价值(For underwater channel estimation code, it is of great reference value to the novice.)
MFP_based_on_High_order_Statistics-master
- 浅层海洋环境由信源组成声源,海洋形成信道,和水听器阵列组成接收器。在这个传播模型中,信源,信道和接收信号这三者,通常能知二求一,具体应用诸如利用海洋环境参数和接收到的信号来定位声源,或者通过计算发射信号和接收信号之间的差异,反演海洋环境参数。 而在接收器方面,我们通过设置各向同性的水听器阵列。通过算法和处理器,我们便能量化模型,传统是处理器主要基于接收信号是高斯信号,而海洋中存在着大量的有色噪声。本课题的研究目的便是在前人的基础上,在海洋声层析成像的背景下,在信源与接收器阵列之间,引入信号的高阶
水声信道仿真程序
- 水声信道仿真程序。用于水下声信道的仿真。(underwater acoustic channel simulation program. for underwater acoustic channel simulation.)
Underwater_Comm
- 传输ofdm数据,采用了简单的多径信道,实现水下通信,整体程序还可以,可以参考参考(In order to transmit OFDM data, a simple multi-path channel is used to realize underwater communication. The overall program can also be used for reference)