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signal processing - An implementation of the fast Fourier transform (FFT) in C#

Closed. This question does not meet Stack Overflow guidelines. It is not currently accepting answers. Question&Answers:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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signal processing - How to count Morse dashes and gaps in .wav file using Python 3

I have to make a Python algorithm that calculates a .wav file (with a message in Morse code) into the readable text. ... -to-count-morse-dashes-and-gaps-in-wav-file-using-python-3...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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877 views

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signal processing - Issue with plotting sin wave on Matlab

I have to plot the signal m(t) = ASin(2pi1000t) and I am using the following Matlab code to do it. ... //stackoverflow.com/questions/65890139/issue-with-plotting-sin-wave-on-matlab...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.2k views

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signal processing - Plotting of complex exponential function using Matlab

I am using matlab to plot complex exponential function.But i am not getting the required waveform as ... /questions/65897587/plotting-of-complex-exponential-function-using-matlab...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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967 views

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signal processing - Area under the peak of a FFT in Python

I'm trying to do some tests before I proceed analyzing some real dataset via FFT, and I've found the following ... com/questions/65908820/area-under-the-peak-of-a-fft-in-python...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.0k views

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signal processing - How do I perform x[2n], x[n/2],x[n-3], and x[n+2] on MATLAB? I believe these involves scaling and shifting

The instructions are: Create a random signal with the maximum amplitude value of (15 *0.1) with 11 sample values and center the ... -xn-2-xn-3-and-xn2-on-matlab-i-believe-these-inv...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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957 views

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signal processing - Create 2D hanning, hamming, blackman, gaussian window in NumPy

I am interested in creating 2D hanning, hamming, Blackman, etc windows in NumPy. I know that off-the-shelf ... /65940166/create-2d-hanning-hamming-blackman-gaussian-window-in-numpy...

asked Oct 7, 2021 in Technique[技术] by 深蓝 (71.8m points)

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870 views

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signal processing - How do I run a high pass or low pass filter on data points in R?

I am a beginner in R and I have tried to find information about the following without finding anything. The green graph in ... -a-high-pass-or-low-pass-filter-on-data-points-in-r...

asked Oct 6, 2021 in Technique[技术] by 深蓝 (71.8m points)

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929 views

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signal strength - How to detect slow internet connection in android app

I want to detect if a phone has a slow internet connection or high-speed internet. Now ... (activeNetwork); int signalStrength = networkCapabilities.getSignalStrength();...

asked Feb 19, 2021 in Technique[技术] by 深蓝 (71.8m points)

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910 views

1 answer

signal processing - Python Audio Analysis: What properties/values can I extract from it?

I'm currently working on a tkinter python school project where the sole purpose is to generate images from audio files, ... values from to use to generate the images with Python....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.3k views

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signal processing - Is it possible to use Matlab Coder to get a C version of an inbuilt Matlab filter design function?

I'm specifically looking at something like Matlab's firpm function (I know there are C implementations of Remez available online in several sources)....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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1.9k views

1 answer

signal processing - Is it possible to use Matlab Coder to get a C version of an inbuilt Matlab filter design function?

I'm specifically looking at something like Matlab's firpm function (I know there are C implementations of Remez available online in several sources)....

asked Jan 27, 2021 in Technique[技术] by 深蓝 (71.8m points)

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