Answered

What is uncoded MIMO channel?

As I understand it, uncoded probably points to the source data that does have have any channel coding associated with it. An exa...

What is uncoded MIMO channel?

As I understand it, uncoded probably points to the source data that does have have any channel coding associated with it. An exa...

meer dan 2 jaar ago | 0

| accepted

Answered

Concatenation of interpolation and decimation doesn't work

Decimation is the process of downsampling, followed by filtering. The MATLAB function, by default, filters the input sequence us...

Concatenation of interpolation and decimation doesn't work

Decimation is the process of downsampling, followed by filtering. The MATLAB function, by default, filters the input sequence us...

meer dan 2 jaar ago | 0

Answered

cannot access national instruments hardware

A few troubleshooting tips are documented here.Try a few of the steps provided to see if it works out. You can also try to reins...

cannot access national instruments hardware

A few troubleshooting tips are documented here.Try a few of the steps provided to see if it works out. You can also try to reins...

meer dan 2 jaar ago | 0

Answered

Why MATLAB on Macbook Pro behaves weird while working with BLE devices?

I have heard that these issues are known, and the concerned parties may be investigating further.

Why MATLAB on Macbook Pro behaves weird while working with BLE devices?

I have heard that these issues are known, and the concerned parties may be investigating further.

meer dan 2 jaar ago | 0

Answered

How can I get real-time waveforms and data from connected oscilloscope?

A good resource to start would be the overview page for the Instrument Control toolbox. There are a few code examples to get sta...

How can I get real-time waveforms and data from connected oscilloscope?

A good resource to start would be the overview page for the Instrument Control toolbox. There are a few code examples to get sta...

meer dan 2 jaar ago | 0

Answered

Fit Gaussian mixture model with weighted observations

The function fitgmdist fits a distribution to a given data set. This data set generally has points belonging to the same class t...

Fit Gaussian mixture model with weighted observations

The function fitgmdist fits a distribution to a given data set. This data set generally has points belonging to the same class t...

meer dan 2 jaar ago | 0

Answered

Using an Arduino IR camera to plot a heatmap

There are multiple ways to do this. If you are saving data in a text file and then want to load it into MATLAB, you can use fsca...

Using an Arduino IR camera to plot a heatmap

There are multiple ways to do this. If you are saving data in a text file and then want to load it into MATLAB, you can use fsca...

meer dan 2 jaar ago | 0

Answered

how implement FFT to ringtone/music

As Walter mentioned, you can use the fft function to carry out the Fast Fourier Transform operation using one the of the example...

how implement FFT to ringtone/music

As Walter mentioned, you can use the fft function to carry out the Fast Fourier Transform operation using one the of the example...

meer dan 2 jaar ago | 0

Answered

无法下载第三方软件: Windows USB drivers for PlutoSDR 这是以下项所需要的: Communications Toolbox Support Package for Analog Devices ADALM-Pluto Radio

Try to reinstall support package keeping the following steps in mind: Go to Add On manager and uninstall the support package, ...

无法下载第三方软件: Windows USB drivers for PlutoSDR 这是以下项所需要的: Communications Toolbox Support Package for Analog Devices ADALM-Pluto Radio

Try to reinstall support package keeping the following steps in mind: Go to Add On manager and uninstall the support package, ...

meer dan 2 jaar ago | 0

Answered

How can i transmit image with OFDM and Receive the same image with OFDM with Pluto ?

This example elaborates how to use Pluto SDR to transmit and receive images using 802.11a standard. This standard uses OFDM for ...

How can i transmit image with OFDM and Receive the same image with OFDM with Pluto ?

This example elaborates how to use Pluto SDR to transmit and receive images using 802.11a standard. This standard uses OFDM for ...

meer dan 2 jaar ago | 0

| accepted

Answered

Load a structure in a mat file

A similar issue has been addressed here. The issue and limitation are documented and elaborated upon, and a workaround is also p...

Load a structure in a mat file

A similar issue has been addressed here. The issue and limitation are documented and elaborated upon, and a workaround is also p...

meer dan 2 jaar ago | 0

Answered

Loss stops calculating with custom layer (weighted cross entropy function)

Whenever the loss value is either “NaN” or “Inf”, the value is not plotted on the curve. On similar lines, the accuracy is near ...

Loss stops calculating with custom layer (weighted cross entropy function)

Whenever the loss value is either “NaN” or “Inf”, the value is not plotted on the curve. On similar lines, the accuracy is near ...

meer dan 2 jaar ago | 0

| accepted

Answered

Classifying ECG into separate segments

As I understand it, each type of wave has a specific frequency characteristic. Based on this, bandpass filters can be designed t...

Classifying ECG into separate segments

As I understand it, each type of wave has a specific frequency characteristic. Based on this, bandpass filters can be designed t...

meer dan 2 jaar ago | 0

Answered

Time-frequency spectral coherence analysis

As has already been suggested by Daniel, the mscohere function can be used. If you are using a custom window, generate the vecto...

Time-frequency spectral coherence analysis

As has already been suggested by Daniel, the mscohere function can be used. If you are using a custom window, generate the vecto...

meer dan 2 jaar ago | 0

Answered

How do I plot a constant value over multiple different intervals ?

To plot an overlapping line onto the figure, an x-axis vector would need to be specified and provided to the “plot” function alo...

How do I plot a constant value over multiple different intervals ?

To plot an overlapping line onto the figure, an x-axis vector would need to be specified and provided to the “plot” function alo...

meer dan 2 jaar ago | 0

Answered

Help with echo effect to audio signal code?

The Audio Toolbox has an Echo object that could cater to your needs. Create the object using the following code: echoObject = a...

Help with echo effect to audio signal code?

The Audio Toolbox has an Echo object that could cater to your needs. Create the object using the following code: echoObject = a...

meer dan 2 jaar ago | 0

Answered

designAuditoryFilterBank - Error "Undefined function or variable"

The designAuditoryFilterBank function is available from the MATLAB R2019B release version. If you are using an older version, th...

designAuditoryFilterBank - Error "Undefined function or variable"

The designAuditoryFilterBank function is available from the MATLAB R2019B release version. If you are using an older version, th...

meer dan 2 jaar ago | 0

| accepted

Answered

Frequency spectrum of a sound signal

Using a test sound file of my own, I was able to generate the plots attached. The function “audioread” works if the suffix of th...

Frequency spectrum of a sound signal

Using a test sound file of my own, I was able to generate the plots attached. The function “audioread” works if the suffix of th...

meer dan 2 jaar ago | 0

Answered

BER depends on TotalFrame count in QPSK Transmitter and Receiver example

The variability is due to timing synchronization and carrier frequency offset (CFO). Timing synchronization becomes much difficu...

BER depends on TotalFrame count in QPSK Transmitter and Receiver example

The variability is due to timing synchronization and carrier frequency offset (CFO). Timing synchronization becomes much difficu...

meer dan 2 jaar ago | 1

Answered

Collection of all the signals by Phased.collector

Yes, the “collector” can be used for all the signals from angles by specifying the second input argument as shown as shown here....

Collection of all the signals by Phased.collector

Yes, the “collector” can be used for all the signals from angles by specifying the second input argument as shown as shown here....

meer dan 2 jaar ago | 0

| accepted

Answered

Remove unwanted narrowband interference

Increasing the order of the Butterworth filter could help improve the response. Alternatively, the buttord function can be used ...

Remove unwanted narrowband interference

Increasing the order of the Butterworth filter could help improve the response. Alternatively, the buttord function can be used ...

meer dan 2 jaar ago | 0

Answered

Plotting a matrix / Plotear una matriz

I am assuming you are trying to have multiple axes on a single figure window, where a few of the subplots will be used to plot m...

Plotting a matrix / Plotear una matriz

I am assuming you are trying to have multiple axes on a single figure window, where a few of the subplots will be used to plot m...

meer dan 2 jaar ago | 1

| accepted

Answered

append cell array #2 to cell array #1 to get a final cell array of cells

The operations carried out by either: C = [A B]; C = horzcat(A,B); C = cat(2,A,B); Should work for your requirement. There i...

append cell array #2 to cell array #1 to get a final cell array of cells

The operations carried out by either: C = [A B]; C = horzcat(A,B); C = cat(2,A,B); Should work for your requirement. There i...

meer dan 2 jaar ago | 0

| accepted

Answered

Normalize/scale in range

The code below can help perform matrix normalization where you have to specify the appropriate -1, 0 and 1 values in variables "...

Normalize/scale in range

The code below can help perform matrix normalization where you have to specify the appropriate -1, 0 and 1 values in variables "...

meer dan 2 jaar ago | 0

| accepted

Answered

How to set the FIR filter specifications?

You can use the Filter Designer app to get started on the Filter design. You can select the FIR filter option, specify order or ...

How to set the FIR filter specifications?

You can use the Filter Designer app to get started on the Filter design. You can select the FIR filter option, specify order or ...

meer dan 2 jaar ago | 0

| accepted

Answered

Matlab and USB2.0 Protocol data aquisition

To read data from a USB, you can use the serial port object to initialize communication between device and MATLAB, followed by u...

Matlab and USB2.0 Protocol data aquisition

To read data from a USB, you can use the serial port object to initialize communication between device and MATLAB, followed by u...

bijna 3 jaar ago | 0

Answered

Help needed for Plotting Confusion Matrix as given in the sample image

I have brought this issue to the notice of our developers. They will investigate the matter further. For the time being, you co...

Help needed for Plotting Confusion Matrix as given in the sample image

I have brought this issue to the notice of our developers. They will investigate the matter further. For the time being, you co...

bijna 3 jaar ago | 0

| accepted

Answered

単相誘導機の特性曲線フィッティング

You can use the Curve Fitting app documentation to get started. Hope it helps!

単相誘導機の特性曲線フィッティング

You can use the Curve Fitting app documentation to get started. Hope it helps!

bijna 3 jaar ago | 0

| accepted

Answered

how can i filter my signal if the fft looks like this?

For plotting the FFT output, the x-axis must be defined in a vector. Ideally this vector is defined as follows: x = (0: 1/nFFT ...

how can i filter my signal if the fft looks like this?

For plotting the FFT output, the x-axis must be defined in a vector. Ideally this vector is defined as follows: x = (0: 1/nFFT ...

bijna 3 jaar ago | 0

| accepted

Answered

QPSK modulator and demodulator

To perform QPSK modulation and demodulation, you can use the “pskmod” and “pskdemod” functions by setting the order of modulatio...

QPSK modulator and demodulator

To perform QPSK modulation and demodulation, you can use the “pskmod” and “pskdemod” functions by setting the order of modulatio...

bijna 3 jaar ago | 0