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Multichannelspatialsurroundsoundsystem
- 多通道立体声系统设计。目前最流行的声学重放技术。-multi-channel stereo sound system design. Currently the most popular acoustic playback technology.
WirelesscoherentOFDMmodemsimulation
- This project aim was to build wireless software modem for data communication between two computers using an acoustic interface in the voice frequency range (20Hz– 20,000Hz). The transmitting antenna is a speaker (frequency response of: 90Hz – 2
Echo
- 语音信号采集与分析 简单地讲，可以在原声音流中叠加延迟一段时间后的声流，实现回声效果。当然通过复杂运算，可以计算各种效应的混响效果。如此产生的回声，我们称之为数字回声。初始化配置： 05 户通过 12C 总线将配置命令发送到 AIC23 ，配置完成后 AIC23 开始工作。语音信号的输入： AIC23 通过其中的 AO 转换采集输入的语音信号，每采集完一个信号后，将数据发送到 05 户的 McBS 户接口上， 05 户可以读取到语音数据，每个数据为 16 位无符号整数，左右通道各有一个数值
shuziluyinji
- 数字录音机的微机实验，8086汇编语言编写 设计内容及连接电路： 1、将声传感器接J2，把代表语音的电信号送给ADC0809通道2(IN2)；D/A转换器的输出端J1接喇叭。电路如下 2、编程以每秒钟5000次的速率采集IN2输入的语音数据并存入内存，共采集60000个数据（录12秒），然后再以同样的速率将数据送DAC0832使喇叭发声（放音） -Computer simulation, digital recorder, 8086 assembly languag
DualChannel
- 水声通信双信道mac层协议的opnet仿真-Dual-channel underwater acoustic communication mac layer protocol opnet simulation
doc22982x20
- Adaptive algorithms have become a mainstay in DSP. They are used in wide ranging applications including wireless channel estimation, radar guidance systems, acoustic echo cancellations and many others.
fgd785687
- 浅海远程水声通信由于水声信道带来的严重多径干扰和衰落, 导致通信速率低、误码率高 以及接收端信噪比低等缺点。针对这一问题, 提出了一种比较有效的M 元线性调频(L FM ) 水声通 信技术。-Remote shallow water acoustic underwater communication channel because of the serious multi-path interference and fading, resulting in lower communica
gao--pingzhi
- 声频功率放大器的参数如下： 1.放音频率（-3dB 电平）的额定范围为25～22000HZ； 2.立体声道的有效功率为5.5W × 2； 3.低频道的有效功率为22W； 4.额定输入电压0.25V； 5.在额定输入电压时谐波系数为0.12％； 6.电压放大系数为26dB； 7.静态电流120mA～150mA； 8.电源电压为11.7～14.4V。-The acoustic parameters of the power amplifier is as follow
scde-master
- The computation of the time delay of arrival (TDOA) between each of the considered channels and the reference channel is repeated along the recording in order for the beamforming to respond to changes in the speaker. In this implementation it is comp
underwater
- 基于射线模型的浅海水声信道的仿真，采用解方程组算法得出本征路径数N，考虑多径和多普勒效应，并基于此加以自适应均衡技术进行均衡。-Ray simulation model of shallow water acoustic channel based on the use of solutions of equations or algorithms intrinsic number of paths N, consider multipath and Doppler effect, and ba
at
- 水声信道计算工具箱，包含多个水声信道计算模型，使用方便。-A toolbox for the acoustic channel simulation.
Channel-equalization
- CHANNEL EQUALIZATION AND BLIND DECONVOLUTION Blind deconvolution is the process of unravelling two unknown signals that have been convolved. An important application of blind deconvolution is in blind equalization for restoration of a sign
信道分析程序
- 用于水声信道测量，最终结果为信道多途扩展时间历程图。有助于理解信道的静态特性及时变特性(For underwater acoustic channel measurements, the final result is channel multipath propagation time history. Help to understand the static characteristics of the channel and change the characteristics in t
Bellhop
- 通用的水声信道仿真模型，带运行界面，进入后可以通过指令启动界面进行相关设置操作和仿真(GThe general underwater acoustic channel simulation model, with the operation interface, after entering, can be set up operation and simulation through the instruction start interface)
acoustic_channel_simulator_code
- 水声信道仿真程序，来源于Parastoo Qarabaqi 和 Milica Stojanovic(Underwater acoustic channel simulation program, from Parastoo Qarabaqi and Milica Stojanovic)
NLBCPE
- 建立水声信道的射线模型在工程应用上有重要的意义。射线声学是把声波的 传播看作是一束无数条垂直于等相位面的射线的传播，每一条射线与等相位面相 垂直，称为声线。声线途经的距离代表波传播的路程，声线经历的时问为波传播 的时间。声线束所携带的能量即为波传播的声能量。与几何光学相似，射线声学 的描述方法给人直观的感觉，在一定的条件下，射线声学的数学运算也比较简捷， 由射线理论给出的声线图可以给声场以直观、形象的理解。 本模型可以准确的衡量声波在海洋中传播路径(Establishing ray
l1-uwa-master
- 感觉这份代码中最有价值的应该是水声信道的建模，该源码来自美国 Parastoo Qarabaqi, Northeastern University, 2013其次其提供了基于l1范数下PCA处理算法，来对经由水声信道的信号进行处理给出误码率图，启动比较程序需要先使用信道生成函数对信号进行生成。(The most valuable part of this code is the modeling of underwater acoustic channel. Secondly, it provi
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.)
4FSK
- 产生随机信号，采用4fsk调制方式通过一个水声信道，再采用非相干解调(Generate random signal, use 4FSK modulation to pass through an underwater acoustic channel, and then use incoherent demodulation)
讲述浅海水声信道下的多途时延估计方法
- 讲述浅海水声信道下的多途时延估计方法，供声学方向的学生学习参考(The multi-channel time delay estimation method in shallow underwater acoustic channel is described, which is a reference for students in acoustic direction)