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Beantwortet
Interpolation and Decimation Factors for USRP
Hi Saurabh, The interpolation factor decides the sampling frequency of the waveform. The sampling frequency is given by the mas...
Interpolation and Decimation Factors for USRP
Hi Saurabh, The interpolation factor decides the sampling frequency of the waveform. The sampling frequency is given by the mas...
etwa ein Monat vor | 0
Beantwortet
Arranging column vector of bits as timeseries data for modulation
Hi Jack, Since you would like to create a standalone Simulink model, a possible method can be to use the "MATLAB function" bloc...
Arranging column vector of bits as timeseries data for modulation
Hi Jack, Since you would like to create a standalone Simulink model, a possible method can be to use the "MATLAB function" bloc...
etwa ein Monat vor | 0
Beantwortet
Solution of algebraic equation that a variable occures both in numerator and denomirator with respect to an other variable
Hi, The following code might help you: %random values for defined variables A=1; n0=1; a1=1; a2=1; G=1; cp=1; Ta=300; ...
Solution of algebraic equation that a variable occures both in numerator and denomirator with respect to an other variable
Hi, The following code might help you: %random values for defined variables A=1; n0=1; a1=1; a2=1; G=1; cp=1; Ta=300; ...
etwa 2 Monate vor | 0
Beantwortet
why is my loop printing 0 instead of a value, not sure which part of the code is incorrect
Hello Erin, For the function "LandingDistance" the inputs "d1","d2","v0" are fixed and "thetaL" can vary from 0 to 90. The foll...
why is my loop printing 0 instead of a value, not sure which part of the code is incorrect
Hello Erin, For the function "LandingDistance" the inputs "d1","d2","v0" are fixed and "thetaL" can vary from 0 to 90. The foll...
etwa 2 Monate vor | 0
Beantwortet
QPSK simulation with AWGN and BER using Simulink
Hi, From the attached screenshot, the model seems accurate for BER calculation of QPSK modulation and demodulation. Make sure t...
QPSK simulation with AWGN and BER using Simulink
Hi, From the attached screenshot, the model seems accurate for BER calculation of QPSK modulation and demodulation. Make sure t...
2 Monate vor | 0
Beantwortet
GMSK Bit error rate plot
Hi, The following code might help: hMod = comm.GMSKModulator('BitInput', true, 'InitialPhaseOffset',0); hDemod = comm.GMSKDem...
GMSK Bit error rate plot
Hi, The following code might help: hMod = comm.GMSKModulator('BitInput', true, 'InitialPhaseOffset',0); hDemod = comm.GMSKDem...
2 Monate vor | 0
Beantwortet
im trying huffman encoding in matlab and reached the part where i get a table with huffman codes, what's next ?
Hi, If you replace the pixel values with the code and store them in order you get a binary representation of image that is shor...
im trying huffman encoding in matlab and reached the part where i get a table with huffman codes, what's next ?
Hi, If you replace the pixel values with the code and store them in order you get a binary representation of image that is shor...
2 Monate vor | 0
Beantwortet
SNR Calculation on the basis of channel estimation using Pilot Symbols
Hi, Channel estimation is done at the receiver end using pilot signals and based on this estimation the CSI parameters like RI,...
SNR Calculation on the basis of channel estimation using Pilot Symbols
Hi, Channel estimation is done at the receiver end using pilot signals and based on this estimation the CSI parameters like RI,...
2 Monate vor | 1
Beantwortet
How to developed MATLAB code of the Discrete time signal
Hi, A discrete time signal can be quanitized into "L" levels similar to the code shown below: L=4; X=rand(1,10) Xg=round(X*(...
How to developed MATLAB code of the Discrete time signal
Hi, A discrete time signal can be quanitized into "L" levels similar to the code shown below: L=4; X=rand(1,10) Xg=round(X*(...
2 Monate vor | 0
Beantwortet
if i change convolution encoder to 3/4 or 7/8 code rate can u tell BER shd improve wid comp to1/2 ?
Hi Shailee, In general when the code rate is increased from 1/2 to 3/4 or 7/8, the BER is reduced due to increased redundancy i...
if i change convolution encoder to 3/4 or 7/8 code rate can u tell BER shd improve wid comp to1/2 ?
Hi Shailee, In general when the code rate is increased from 1/2 to 3/4 or 7/8, the BER is reduced due to increased redundancy i...
3 Monate vor | 0
Beantwortet
I want to measure the line voltages in a three phase system, can I connect the voltage measurement between the two phases? Does it mean short circuiting the two phases?
Hi Rishabh, Connecting a voltmeter between two phases to measure the line-to-line voltage does not create a short circuit betwe...
I want to measure the line voltages in a three phase system, can I connect the voltage measurement between the two phases? Does it mean short circuiting the two phases?
Hi Rishabh, Connecting a voltmeter between two phases to measure the line-to-line voltage does not create a short circuit betwe...
3 Monate vor | 0
Beantwortet
getting group delay by differentiating phase of reflectance
Hi omnia, The spikes in the plot of differential of phase is because there are points of non-differentiability in the function ...
getting group delay by differentiating phase of reflectance
Hi omnia, The spikes in the plot of differential of phase is because there are points of non-differentiability in the function ...
3 Monate vor | 1
| akzeptiert
Beantwortet
Passband gfsk modulation in simulink
Hello, Passband GFSK modulation can be performed in Simulink using the "CPM Modulator Baseband" block in Simulink. This can be ...
Passband gfsk modulation in simulink
Hello, Passband GFSK modulation can be performed in Simulink using the "CPM Modulator Baseband" block in Simulink. This can be ...
4 Monate vor | 0
Beantwortet
How to Output Updated Parameters Value in ode Integration Process When the odeEvent is triggered ?
Hi Chuguang, The call back function is called whenever the event occurs, only if the "Response" parameter is set to "callback"....
How to Output Updated Parameters Value in ode Integration Process When the odeEvent is triggered ?
Hi Chuguang, The call back function is called whenever the event occurs, only if the "Response" parameter is set to "callback"....
4 Monate vor | 1
| akzeptiert
Beantwortet
Rename TIF files in a folder
Hello Tomer, You can extract the file names using "dir" function. Then by looping through each file use regex expressions to ge...
Rename TIF files in a folder
Hello Tomer, You can extract the file names using "dir" function. Then by looping through each file use regex expressions to ge...
9 Monate vor | 0
Beantwortet
How can I write a script to replace a specific integer value in my table, with the average of the data above and below that integer in the table
Hello JJ, You can use logical indexing to find all the index values containing the value "999". You can replace these values wi...
How can I write a script to replace a specific integer value in my table, with the average of the data above and below that integer in the table
Hello JJ, You can use logical indexing to find all the index values containing the value "999". You can replace these values wi...
9 Monate vor | 0
| akzeptiert
Beantwortet
为什么这段数模代码反复调试后仍然出错？
Hello, In the first code in the line "f=-d2f+df" the variables "-d2f" and "df" are symbolic expressions so the variable "f" th...
为什么这段数模代码反复调试后仍然出错？
Hello, In the first code in the line "f=-d2f+df" the variables "-d2f" and "df" are symbolic expressions so the variable "f" th...
9 Monate vor | 0
Beantwortet
Integration over different sampling rates
Hello Kyle, You can get the correct value for the area by giving the time vector also to the "trapz" function. It gives the int...
Integration over different sampling rates
Hello Kyle, You can get the correct value for the area by giving the time vector also to the "trapz" function. It gives the int...
9 Monate vor | 0
| akzeptiert
Beantwortet
Finding Coefficients in Bspline is making a problem ?
Hello Rohitasya, The code you have written is accuarte for calculating the coeffecients.The following code achieves the same re...
Finding Coefficients in Bspline is making a problem ?
Hello Rohitasya, The code you have written is accuarte for calculating the coeffecients.The following code achieves the same re...
9 Monate vor | 0
Beantwortet
correct for these codes and help me to get running codes
Hello, I made the following changes to the code to make the array sizes compatible. rxSignal = awgn(H * txSymbols', SNR_dB, 'm...
correct for these codes and help me to get running codes
Hello, I made the following changes to the code to make the array sizes compatible. rxSignal = awgn(H * txSymbols', SNR_dB, 'm...
9 Monate vor | 0
Beantwortet
setting up infinite sequence and plotting
Hello Robert, I am assuming that you want to sum 1/(n^3+1) and not n^3+1 since the sum for n^3+1 tends to infinity as n moves t...
setting up infinite sequence and plotting
Hello Robert, I am assuming that you want to sum 1/(n^3+1) and not n^3+1 since the sum for n^3+1 tends to infinity as n moves t...
10 Monate vor | 0
Beantwortet
How to assign pair of values to a single aeeay in the matrix using two different vectors
Hi Yogesh The following code might help you: fsine=50e6:0.4e9:3e9 Vp=0:0.5:3 M=zeros(7,8); for idx1=1:7 for idx2=1...
How to assign pair of values to a single aeeay in the matrix using two different vectors
Hi Yogesh The following code might help you: fsine=50e6:0.4e9:3e9 Vp=0:0.5:3 M=zeros(7,8); for idx1=1:7 for idx2=1...
10 Monate vor | 0
Beantwortet
Como obtener la función de transferencia en controles
Hi Jose, You can use the "tf" function in MATLAB to obtain a transfer function of a system. This function returns a transfer fu...
Como obtener la función de transferencia en controles
Hi Jose, You can use the "tf" function in MATLAB to obtain a transfer function of a system. This function returns a transfer fu...
10 Monate vor | 0
| akzeptiert
Beantwortet
How to change the spectrogram magnitude to linear?
Hello, The "spectrogram" function in MATLAB returns the Short-Time Fourier Transform(STFT) of the input signal. It is used to a...
How to change the spectrogram magnitude to linear?
Hello, The "spectrogram" function in MATLAB returns the Short-Time Fourier Transform(STFT) of the input signal. It is used to a...
11 Monate vor | 0
Beantwortet
Separate graph arrows for two y-axes on the matlab
Hello, You can try to acheive a similar result by using the "annotations" feature in MATLAB. The following code shows an exampl...
Separate graph arrows for two y-axes on the matlab
Hello, You can try to acheive a similar result by using the "annotations" feature in MATLAB. The following code shows an exampl...
11 Monate vor | 1
Beantwortet
How do I mesh a matlab model
Hello There need not be inverted commas over the geometry type in the line where "femodel" is defined. I have increased the "Hm...
How do I mesh a matlab model
Hello There need not be inverted commas over the geometry type in the line where "femodel" is defined. I have increased the "Hm...
11 Monate vor | 2
| akzeptiert
Beantwortet
How to correct the recording of a daamaged accelerometer in earthquake analysis
Hello, A possible solution can be to remove the mean over a small interval from the existing data to change the data to be cent...
How to correct the recording of a daamaged accelerometer in earthquake analysis
Hello, A possible solution can be to remove the mean over a small interval from the existing data to change the data to be cent...
11 Monate vor | 0
Beantwortet
Calculation of channel capacity
Hello Zaref, The above code you provided appears to be correct for plotting the graph of channel capacity in SNR(dB) provided t...
Calculation of channel capacity
Hello Zaref, The above code you provided appears to be correct for plotting the graph of channel capacity in SNR(dB) provided t...
11 Monate vor | 0
Beantwortet
Why does the "Matrix dimensions must agree" error persists?
Hello Walter, When using "plot" in the format of "plot(ax,x,y)" the size of the variable "x" and "y" must be same. In your case...
Why does the "Matrix dimensions must agree" error persists?
Hello Walter, When using "plot" in the format of "plot(ax,x,y)" the size of the variable "x" and "y" must be same. In your case...
12 Monate vor | 0
Beantwortet
I want to count the number of 0s in a binary sequence which occurs for n number of times, where n=1:25.
Hello Dwijraj, You can use "find" to locate the positions of "1" in the array and then the difference in position of 2 consecut...
I want to count the number of 0s in a binary sequence which occurs for n number of times, where n=1:25.
Hello Dwijraj, You can use "find" to locate the positions of "1" in the array and then the difference in position of 2 consecut...
12 Monate vor | 1
