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15 Threads found on edaboard.com: Acoustic Channel
Hello All , i recently started working on MIMO OFDM underwater acoustic communication. i need some basic codes for any technique like channel estimation, equalization or coding.. if someone can send me some codes regarding the whole MIMO OFDM system or any specific technique in the system, i would be grateful. if the codes are related to
can anyone please help me in finding matlab code for single channel acoustic echo and noise cancellation.please....
Hi all, I am now doing single-channel acoustic echo cancellation project in Matlab. I have tried NLMS and frequency-domain algorithm. However, the performance is not satisfying. During the converging process, the echo is clearly audible. How to eliminate residual echoes during the converging process? Is a post-filter necessary? Also, the double-
Hi, Anyone here is working on underwater acoustic (UWA) channels? I appreciate if any one tells me how to generate an UWA channel. Thanks
Hi, I am trying to draw the absorption coefficient in underwater acoustic communication channel given in dB/Km by: 10\log_{10}a(f)=0.11\frac{f^2}{1+f^2}+44\frac{f^2}{4100+f}+2.75\times10^{-4} f^2+0.003 where f is the frequency in kHz. The figure is plotted in a paper as the attached: 70008 My code
Source: 7-kanałowy analizator widma akustycznego Project by Snake007 A 7 channel acoustic spectra analyzer is described here. Design is from journal for electronic
i just need the matlab code for the estimation of channel in matlab code. ---------- Post added at 19:56 ---------- Previous post was at 19:36 ---------- i am doing my project on capacity analysis of under water acoustic mimo communications in that i have to do a channel model in rayleigh fading model. i nee
Microwaves are similar to radio wave except with higher frequency (300Mhz-300GHz) is used for satellite communications. But it falls in wireless category. How about acoustic communications...human voice!!!
Dear friends I have to design a wireless calculator using MATLAB. I have to trasmit integers and an operator from one pc to another pc using headphones(2 sets). I mean I have to use the acoustic channel. Can u give me a starting point, that how can i ENCODE integer data to a audio output port from MATLAB.... which type of modulation is req
Dear friends I have to design a wireless calculator using MATLAB. I have to trasmit integers and operator from one pc to another pc using headphones(2 sets). I mean I have to use the acoustic channel. Can u give me a starting point, that how can i ENCODE integer data to a audio output port from MATLAB.... which type of modulation is requir
Hi, As a course project we are to simulate an OFDM scheme in underwater media (underwater acoustic channel). Does anyone have information about the channel characteristics of underwater (typically shallow water). All papers are justified via experimental data so I have no idea about it. Thanks.
I'm looking for someone who have work on underwater communication, Talking about the underwater channel modeling.
I require a model for the simulation study for the development of acoustic modem. Can any body help me? please
check this link.... there some info...
You can use a second communication channel that is faster, like radio or light or wire. Radio from the robot to the to the beacons would probably be best. That way it could request an acoustic fix when it needed one. Wire between the beacons might also work if the beacons were always laid out in the same positions.