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noise.rar
Mobile phones are constantly decreasing in size, thereby complicating the acoustical
functionality. Signal processing methods can be used to partially mitigate
this problem. In this paper we suggest a method which uses multiple spectral
subtraction ...
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nlqim.rar
purpose
simulates embedding and detection of watermark in random noise using QIM (quantization index modulation), uses non-linear scaling
compile
gcc -g -o nlqim nlqim.c -lm
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rfid_model.rar
... .Negative effects are concerned in the system
model,such as phase noise of the local oscillator,TX-RX coupling,reflection of the environment,
AWGN noise,DC offset,I/Q mismatch,etc.Performance of the whole system can be evaluated ...
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dtmf.rar
... Multi-Frequency (DTMF) telephone key pad, including DTMF Signal generator and DTMF tone detector
• To simulate the DTMF signals with noise based on the specifications given.
• To decode and display the DTMF signals by using FFT algorithm
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rwtising.rar
image noise reduction by level dependent thresholding
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househaar.rar
利用haar小波进行图像消除噪声
fir1: 1D filter-design (signal processing toolbox)
following lines for proper rescaling of the noise, such that desired
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rwtlabels.rar
image noise reduction by level dependent thresholding
％ and non-decimated wavelet transform
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