Software Listing: Frequency

Frequency analysis allows the calculation of the natural (resonant) frequencies of the design and related forms of vibrations. It is useful in carrying out checks for the resonant frequencies in the working frequency range and optimizing the design in such a way as to prevent the emergence of resonances. So developer can improve the reliability and efficiency of the design. In the parameters of frequency analysis determined the number of natural frequencies to be determined. The system may be not fixed (free in space). Calculation of resonant frequencies takes into account the forces acting on the structure (eg, gravity).

  • Platform: Win2000, Win7 x32, Win7 x64, WinOther, WinVista, WinVista x64

This software scans one or more text or text-like files (e.g. HTML and XML files),or text on the clipboard, and counts the number of occurrences of the different words or given phrases (optionally with pattern matching). There is no limit on the size of an input file. The words which are found can be displayed alphabetically or by frequency. The program can be told to allow or disallow words with numerals, hyphens, apostrophes, underscores or colons, to ignore words which are short or which occur infrequently, and to ignore words (e.g., common words) contained in a specified file. It can also be told to count only words in a specified list.

  • Platform: Win2000, Win7 x32, Win7 x64, WinOther, WinVista, WinVista x64

Find frequency of each word in one or more web sites. This word frequency analysis will produce a list ordered from most to least used words. Save results as text files..

  • Publisher: Sobolsoft
  • Date: 03-07-2012
  • Size: 760 KB
  • Platform: WinOther

AnalogX Frequency Converter allows you to easily convert between frequencies and notes, which can then be used to help target specific areas in a mix. This software also outputs 'cents' based from A0 (27.5hz), for EQ's that do not use named frequencies, and supports fractional notes +/- 50 cents..

  • Publisher: AnalogX
  • Date: 11-10-2012
  • Size: 336 KB
  • Platform: WinOther

These programmes are not heavily commented but infact are very simple and intutive to understand the Frequency hopping and related tasks. I have made two files for frequency hopping, one of them is not showing 6 proper impulsive peaks but other programme is infact showing them, In DSSS i have generated 20 bits and each bit is 6 units long and then it is XORed with another pseudorandom data bits and then it is BPSK modulated and hence two peaks in its FFT are displayed. CDMA programme is infact self descriptive.

  • Platform: Matlab, Scripts

Simulink model of a simple Bluetooth wireless data link. Includes error correction, GFSK modulation, frequency hopping and a 100MHz channel. NOTE: A version of this model which works with the current release of MATLAB and Simulink is shipped with the Communications Blockset..

  • Platform: Matlab, Scripts

This script simulates the Binary Frequency Shift keying. Since BFSK is a digital modulation scheme, you can modulate as many bits as you want. however, I have only simulated it for few bits, so that the results are visible. This is code for BFSK only, means it can only modulated two digital states on two frequencies. I hope this will help out students and instructors alike..

  • Platform: Matlab, Scripts

It is a new block library simulink called Detection of Frequency of periodic signal..

  • Platform: Matlab, Scripts

This block generates a pulsed signal with assigned amplitude and variable frequency. You must connect the input to sinusoidal signal generator. The block provide convert the sinusoidal signal to quadratic output with amplitude and frequency variable..

  • Publisher: Riccardo
  • Date: 19-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Helps measuring the exact frequency of a signal within a range, by means of finding the maximum of the product of the signal with a sinusoid. Speacially useful when dealing with real-world data. As recently published on my blog: http://loluengo.blogspot.com.

  • Platform: Matlab, Scripts

[FDOUT, FREQ_AXIS] = FDCORR(A,B,FRANGE) FDCORR Joint frequency and delay correlation Performs an efficient circular cross correlation between two vectors over all possible frequency offsets (Dopplers) between -pi and pi where 2pi is the sampling rate. A: vector representing received signal sampled at FS = 2pi B: vector representing correlation code sampled at FS = 2pi FRANGE: Two element vector from lowest to highest frequency to search over within a frequency range from -pi to pi. For Example [-pi/10 pi/10]. Omitting FRANGE will default to [-pi pi]. FDOUT: 2D Correlation surface vs delay and frequency offset FREQ_AXIS: Frequency values aligned to frequency axis (-pi to pi) With no output arguments FDCORR will plot the surface correlation magnitude vs frequency and delay offset in the current figure window.

  • Platform: Matlab, Scripts

THIS FUNCTION PLOTS FFT OF THE SIGNAL INPUT TO THE FUNCTION IS userfft(input, sampling frequency, waveform, psd) input -> Input waveform sampling frequency -> Sampling frequency waveform -> 'real' refers to real baseband signals plots only half the fft output -> 'complex' refers to complex baseband signals plots complete spectrum -> 'bandpass' psd -> 'unbaised' refers to the fact that fft./length(input) -> 'normalised' refers to fft./max(fft) -> '' plots fft AUTHOR: ABHI CAIRN, WPI.

  • Platform: Matlab, Scripts

After publishing my new block library simulink Detector of Frequency Signal,I calibrate for having linearity,so in input F=1HZ out is F=1HZ..

  • Platform: Matlab, Scripts

This m-file plots the transmitted signal of slow frequency hopped spread spectrum.This uses one symbol transmission per frequency hop..

  • Platform: Matlab, Scripts

It is the HEARTVI1FP1 block simulink of global functionnement of the heart with frequency and blood pressure.Training this block you will see that can happen a problem.One subsystem is the detection of frequency signal,and this block run well if utilized independantly,and this block runs well with the block square function.If i utilize secundly this block appear error dimension after integrator,and we konow that simulink accepts 2 port outputs.For animation i decide to publish now One File per 2 weeks for HEARTVI1(electrical part of heart) and for the global heart with frequency and blood pressure.

  • Platform: Matlab, Scripts

adding a 2nd order filter we can plot variation in frequency due to the faults or disturbances..

  • Publisher: siva yadav
  • Date: 24-04-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

Frequency-to-note converter that uses equal temperament system. - Returns difference as cents if frequency is out of tune..

  • Publisher: Firat
  • Date: 03-03-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

The script uses only one transmission symbol per frequency hop..

  • Platform: Matlab, Scripts

Sound Frequency Generator is a multi-channel and multi-tone audio frequency sinusoidal and noise signal generator that was designed to adjust and measure parameters of audio equipment.

By using Sound Frequency Generator, you will be able to analyze spectra as well as to generate audio frequency sweeps.


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  • Platform: WinOther

Loudspeaker Frequency Allocator is a useful tool that allows you to change the frequency output for the ASIO compatible sound cards. The interface is easy to use and allows you to view the visual representation of the output and to change the parameters.

It supports presets and is able to save your settings to a file in order to load it later. Each DSP crossover leg can be fine tuned from 6dB/oct to 42dB/oct in order to get the desired result.


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  • Platform: WinOther

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