Frequency Spectrum

Wavelength creates Color objects given the wavelength or the frequency of the light rather than the usual RGB or HSB. instead of: Color c = new Color(255, 0, 0); use the frequency in nanometers, and gamma 0.0. .. 1.0. (gamma is intensity/brightness.) Color c = Wavelength.wvColor( 400.0f, 0.80f );... Platforms: Windows, XP, Windows Vista

MultiInspectorFree is a 31 band spectral analyzer designed to be used in a multitrack environment. Based on the technology of FaderWorks to handle multiple dependent instances of the same plug-in, MultiInspectorFree provides an easy way for simultaneous spectral analysis of several audio... Platforms: Mac

Seis_pick provides an interactive environment for picking seismic waveforms. It has been developed with the aim of processing 3-component downhole microseismic data, although is suitable for all 3-component seismic data. Seis_Pick displays seismic traces, allowing the user to pick P-wave and... Platforms: Matlab

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

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... Platforms: Matlab

The script uses only one transmission symbol per frequency hop. Platforms: Matlab

THIS FUNCTION PLOTS FFT OF THE SIGNAL INPUT TO THE FUNCTION ISuserfft(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... Platforms: Matlab

The inputs are the imf's amplitud and the imfs instantaneous frequency. The outputs are the Marginal Hilbert Spectrum (mhs) amplitude vector and a frequency vector corresponding to the amplitude vector. In order to obtain a more interpretable graph the instantaneous frequency vector can be... Platforms: Matlab

This is a little script that adds several Gaussian or Lorentzian functions with the appropriate full width at half max and height to generate and plot a spectrum. The input is an array containing frequency vs oscillator strength, desired fwhm of the peaks and method for generating the spectrum.... Platforms: Matlab

The Blackbody Radiation: Frequency and Wavelength model simulates the blackbody radiation curves of Planck both as a function of frequency and as a function of wavelength to allow for comparison of the two functions. The Planck radiation law can be derived both as a function of frequency and as a... Platforms: Mac

Jaaa is short from JACK and ALSA Audio Analyser, is an audio signal generator and spectrum analyser designed to make accurate measurements. Frequency and Amplitude These two sets of buttons set the display view. One of these six buttons, or Bandw, Peak, or Noise discussed below, has an orange... Platforms: *nix

Spectrum Shift comes with numerous psychedelic visualization effects that will enhance the tracks you play with Windows Media Player or iTunes. It is designed to provide an instrument for modulating color in real time under direct user control. In addition to being almost infinitely... Platforms: Windows, 2003, Windows Vista, XPX64, 2008, 7, 7x64, 2008x64, 2008R2, 832-bit, 864-bit

The Blue Cat's FreqAnalyst Pro plugin was designed to be a real time spectrum analyzer with advanced functionalities. It uses the same smooth algorithms as its little brother (the freeware Blue Cat's FreqAnalyst): it has been designed to provide extreme smoothness and high resolution for both... Platforms: Windows, XP, Windows Vista, 7, 7x64

Input to Audio Spectrum Analyzer from microphone or wave file. Audio Spectrum Analyzer has variable displays, Fast Fourier Transform (FFT) display, variable sample rates (8000 Hz, 11025 Hz, 22050 Hz, and 44100 Hz), variable transform sizes (1k, 2k, 4k, and 8k), adjustable upper and lower limits,... Platforms: Windows

This is a fully skinnable Spectrum Analyser plugin for Winamp 2.x.It is finished to the point of being usable but not by any means complete and will continue to be updated.The Spectrum Analyser features are: Skinnable, Customisable bar width/spacing/drawing style, Dockable, Optional Peaks,... Platforms: C and C plus plus

Real Time Analyzer uses your sound card input and analyze the frequency response.This application works like a real spectrum analyzer. It uses the line / mic input of the sound card and is great for testing speaker response. Platforms: C and C plus plus

This is a code for simulation of BPSK receiver using Direct Sequence Spread Spectrum. The performnace is evaluated in presence of AWGN and Rayleigh fading. Jakes' Model has been used to obtained coefficients for rayleigh fading. Platforms: Matlab

This program calculates the shock response spectrum for a base input, where the base input is in the form of an acceleration time history. Platforms: Matlab

This program calculates the Vibration Response Spectrum (VRS) for a base input Power Spectral Density (PSD).The base input PSD must be in terms of acceleration.The VRS uses point-by-point multiplication of the transmissibility function times the base input PSD. It is thus more accurate than Miles... Platforms: Matlab

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. Platforms: Matlab