% Generate a sample signal (for example, a sine wave) signal = sin(2 * pi * 5 * t); % 5 Hz sine wave % Extract the 20-second sample sample_duration = 20; % in seconds sample_samples = sample_duration * sampling_frequency; sample_signal = signal(1:sample_samples); sample_time ...
Convert Sample Rate of Audio Signal Copy Code Copy Command Convert the sample rate of an audio signal from 44.1 kHz (CD quality) to 96 kHz (DVD quality). Note: The dsp.AudioFileWriter System object™ is not supported in MATLAB Online. Get FsIn = 44.1e3; FsOut = 96e3; SRC = dsp...
Also, in the Ports and Data Manager, I have also checked the Variable Size option for output y, and entered a size of 10 in the Size field. However, running the simulation generated the error: The signal at input port 1 of 'untitled/Display' is a variable-size signal...
Research and simulation on speech recognition by Matlab The MATLAB system will read the wav file, play it first, and then calculate the characteristic parameters automatically. All content of the speech signal have been distinguished in the last step. In this paper, the author has recorded... ...
sdr = RtlSdr()exceptIOError:print"Probably RTLSDR device not attached"sys.exit(0)# configure devicesdr.sample_rate= config.sample_rate# Hzsdr.center_freq = config.center_freq# Hzsdr.freq_correction =60# PPMsdr.gain ='auto'samples = sdr.read_samples( config.sample_num )ifconfig.matlab_...
for n = 0:DN:Nmax Sx = n∗2/3∗(L/U)ˆ2∗sigˆ2/((1+(n∗L/U)ˆ2)ˆ(4/3)); X = real (ifft(sqrt (T/(2∗pi))∗ sqrt(Sx)∗exp(i∗Phi))); end Here, rand is a Matlab function that generates random numbers, which is used to create the random phas...
sound2.samplerate = output_freq# Pad because matlab resampling works differentlysound2.data = sound2._zeropad(0,2)returnsound2 开发者ID:theunissenlab,项目名称:tlab,代码行数:34,代码来源:data.py 示例3: convert_wav ▲点赞 4▼ defconvert_wav(File, ofile):importscikits.audiolabasaudiolabfromsci...
Setting frequency: DL=2680.0 Mhz, UL=2560.0 MHz for cc_idx=0 nof_prb=25 0000000 As a side note, when the TX port is connected to a spectrum analyzer, we see notches at the ends of the LTE signal bandwidth. (while these notches are not there with other SDR cards such as Ettus B200...
Acquisition of E5 Galileo Signals in Matlab The deployment of Galileo constellation leads to the need of efficient algorithms for acquisition and tracking of Galileo signals. These signals are differ... Ekaterina Stepanova a,Ilya Kudryavtsev a,Elena Simona Lohan b - 《Procedia Engineering》 被引量...
Change the sample rate of a speech sample from 7418 Hz to 8192 Hz. The speech signal is a recording of a speaker saying "MATLAB®". Load the speech sample. loadmtlb Loading the filemtlb.matbrings the speech signal,mtlb, and the sample rate,Fs, into the MATLAB workspace. ...