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How to calculate the spectrum of the message w(t), the spectrum of the carrier c(t), and the spectrum of the received signal v(t), and the spectrum of the envelope?
To calculate the spectrum of the carrier signal, use the ‘fft’ function as shown below. The same approach can be followed to cal...

5年弱前 | 0

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Phase and amplitude shift
Use two 1D lookup tables where the inputs of 1st and 2nd lookup tables is average power and the output of one lookup table is am...

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Are there any examples using ecmmvnrfish?
ecmmvnrfish is used to find the fisher information matrix. The inputs to the function are Data, Design and Covariance. The examp...

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fix the soulation pleaase
In the provided code, the size of p is 1x2. However, the size of p(:,size(p,2))+0.2*[fx;fy] is 2x1. While concatenating horizont...

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Setting symbol rate and sampling frequency for a carrier in Simulink
The symbol rate of each of the given signals depends on the Sample time parameter in Random Integer Generator block. However, to...

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Can someone confirm my differentiation code is correct?
The code written to differentiate P (a, u, EA1, EA2) with respect to u is correct. It will give correct result. The reason for t...

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OCR function does not recognize number 8
While passing the image data to ocr function, no need to convert the image from RGB to gray as ocr function converts truecolor o...

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How can I resize a plot image and save it?
Assuming the resolution of image to be 32*32 pixels, the image is saved in the specified resolution and format using print funct...

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Write a function called mysum that sums the first n positive numbers. Give the result x1 for n=20,and the result x2 for n=100. For example, if n = 2, mysum computes the sum of 1 and 2. The result is 3.
Create a function using the keyword ‘function’ and save the file with name mysum.m. function output = mysum(n) output = 0; fo...

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Convert an image with 16 bit depth to 32 or 62 bit in MATLAB?
To convert a 16-bit monocromatic image (no colors, black and white) to 32-bit, the below procedure can be followed with gray sca...

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Using ppval for a polynomial of two variables
A piecewise polynomial that is a function of two variables cannot be evaluated using ppval. Use the given link for reference htt...

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How to hide the mouse pointer in app designer
As of now, using a custom pointer is not supported in AppDesigner -> uifigure for the available MATLAB releases. However, the c...

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what is the noise bandwidth considered while calcuating SNR ; for func of the form .. r = snr(x,fs,n)
The noise bandwidth is equal to the sampling frequency. This can be obtained by plotting the power spectral density of noise. ...

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FIR Filter function sample rate
To design an FIR bandpass filter with a passband of 1000Hz to 2000Hz and fs=50000Hz, the passband frequency is given as normaliz...

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Circular vs. linear convolution of 2D data
Hi William, In order to zero-pad a 2D data i.e. matrix, padding should be in such a way that the row length is equal to r1+r2-1...

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Stop playing audio using audioDeviceWriter.
Play and stop functions are applicable for audioplayer and audiorecorder objects. An audio played by audioDeviceWriter can be st...

5年弱前 | 2

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Quantizer modelling in Simulink
I am assuming that you are modeling 3rd order delta sigma ADC using uniform quantization. You can use the ‘Idealized ADC Quantiz...

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How do I display my waterfall plot with only curves?
I assumed some random data to generate waterfall plot. Please refer to the below code for generating waterfall plot in curves. ...

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How to convert/run Mathematica scripts in MATLAB
I found a similar case in which Mathematica needs to be linked with MATLAB. I would suggest you follow the link provided below. ...

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convert idtf data format to tf data format
I am assuming that you generated a transfer function using idtf command as shown below. num = [1 4]; den = [1 20 5]; sys =...

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Find state names that end with the letter A
Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

約5年前

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The Goldbach Conjecture, Part 2
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...

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Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

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Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

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Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

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Remove all the words that end with "ain"
Given the string s1, return the string s2 with the target characters removed. For example, given s1 = 'the main event' your ...

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Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Return the 3n+1 sequence for n
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

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Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

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Make a Palindrome Number
Some numbers like 323 are palindromes. Other numbers like 124 are not. But look what happens when we add that number to a revers...

約5年前