Fourier Transform For Triangular
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields:
1. Vectorized form of arithmetic operators and math functions.
2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular...
Platforms: Windows, Other
License: Shareware | Cost: $249.00 USD | Size: 3.4 MB | Download (46): OptiVec for Borland C++ Download |
This prog calculates and plots the wave-vector diagram (i.e. photonic bands at constant frequency) for a 2D photonic crystal consisting of cylinders with circular cross-section andinfinite height, arranged in a triangular lattice; oblique propagation is implicit, so the polarization states cannot...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (46): Wave-vector diagram for a 2D photonic crystal Download |
NIST benchmark for librandomtest.so checking. Includes source and object code. Eclipse and gcc parameters included. Implemets the following tests: Approximate Entropy, Block Frequency, Cumulative Sums, Discrete Fourier Transform, Linear Complexity, Longest Run Of Ones, Rank, Overlapping Template...
Platforms: Linux
License: Freeware | Size: 1.05 MB | Download (46): NIST-librandomtests Download |
HARMASYLLABLESEG - Segments a signal stored in a WAV file into individual syllables. Also graphs the spectrogram and signal with syllables highlighted in red to show what parts of the signal contain syllables. INPUT: - FILENAME: The path to a signal stored in WAV format. The following arguments...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Harma Syllable Segmentation Download |
TAL-Vocoder is a vintage vocoder emulation with 11 bands that emulates the sound of vocoders from the early 80???*a*?s. It includes analog modeled components in combination with digital algorithms such as the SFFT (Short-Time Fast Fourier Transform). This vocoder does not make a direct...
Platforms: Mac
License: Shareware | Cost: $0.00 USD | Size: 378.88 KB | Download (46): TAL-Vocoder Download |
RADIATION HEAT TRANSFER- SHAPE FACTOR CALCULATION (MECHANICAL ENGINEERING) The file, sfactor.m ; (example) xxx = sfactor(a).calculates shape factor between two flat surfaces with arbitrary orientation and location. (sfactor12.m and sfactor16.m are similar to sfactor.m but with 12 and 16...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): Radiation Heat Transfer Shape Factor (Mechnical Engineering) Download |
Hough transform for circles in any size.returns a list of all circles found(position and radius) in an RGB image.includes function for:drawing a circle on an image.finding the maximum points in a 1d signal.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 71.68 KB | Download (45): Hough transform for circles Download |
This program calculates the non-destructive zoom Fast Fourier transform of a time history.The input file must be time(sec) and amplitude(units)Reference: Randall, Frequency Analysis, Bruel & Kjaer, page 170.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): zoom FFT Download |
This function allows one to calculate the Fourier transform of a chirped function evaluated at specific points using the stationary phase approximation.Imagine a pulse with a large time-bandwidth produce: this would require a large amount of data points in order to evaluate the Fourier transform....
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (45): Stationary phase approximation for performing Fourier Transforms Download |
A fourier filter for time-series signals. Version 1.5, May 4, 2007, is calibrated specifically for time-based signals. Does not require the Signal Processing Toolbox. By adjusting the parameters, you can create lowpass, highpass, bandpass, and bandreject (notch) filters with variable cut-off...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): Interactive Fourier Filter Download |
A visualization of the fourier transform applied to sound data. Analyzes a time-domain sound sample using the Fourier Transform, and graphically displays the results and sound in real time. Attempts to audio into sheet music.
Platforms: Windows, Mac, Linux
License: Freeware | Size: 38.28 KB | Download (45): Soundwave Download |
W = mywigner(Ex)W = output Wigner distributionEx = Input electric field (MUST be a column vectorNotes:W = Int(-inf..inf){E(x+y)E(x-y)exp[2ixy]}E(x+y) & E(x-y) are calculated via a FFT (fast Fourier transform) using theshift theorem. The integration is performed via a FFT. Thus it is important for...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Calculate Wigner distribution Download |
This Hough transform is highly optimized. It uses the midpoint circle algorithm to draw the circles in voting space quickly and without gaps. It also includes an option for searching only part of the image to increase speed if a rough estimate of the circle locations is known.
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Hough Transform for circle detection Download |
PHP transForm is a form generator and processor that allows a website developer an easy way to view/add/edit/delete data in various databases.In order to use PHP transForm, you must be using at least PHP4.1.1.This PHP version includes the PEAR DB database abstraction code used by PHP...
Platforms: PHP
License: Freeware | Size: 10 KB | Download (44): PHP transForm for Scripts Download |
There are three M-files:1. third.m, calculates the third-order moment for a time series2. aaft.m, calculates the Amplitude Adjusted Fourier Transform (for more details see: D. Kugiumtzis, Surrogate data test for nonlinearity including monotonic transformations, Phys Rev E, vol. 62, 1, 2000)3....
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Test of non-linearity Download |
This applet incorporates some image processing techniques in the Fourier optics domain. You can compute and see the Fourier transform of an object and the convolution between two images. You can also simulate the Vander Lugt correlator (matched filter, phase-only filter and inverse filter) and...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (44): Fourier Optics Download |
OptiVec contains more than 3500 hand-optimized, Assembler-written functions for all floating-point and integer data types from the following fields:
1. Vectorized form of arithmetic operators and math functions.
2. Matrix operations, e.g.: multiplication, inversion, LU decomposition, singular...
Platforms: Windows, Other
License: Shareware | Cost: $249.00 USD | Size: 4.64 MB | Download (44): OptiVec for Delphi 5 Download |
GFourier is a plug-in for GIMP; with GFourier, you can use Fourier Analysis, to enhance and recover your images. More specifically, GFourier calculates the Fourier Transform of an image; you can then design and apply some simple filters; later, you can use the Inverse Fourier Transform to...
Platforms: *nix
License: Freeware | Size: 61.44 KB | Download (44): GFourier Download |
consider a 2D photonic crystal consisting of cylinders with circular cross-section and infinite height, arranged in a triangular lattice;this program calculates and plots the spatial distributions in the unit cell (E&H) of eigenmodes allowed at a given frequency ; 'omega'is taken as input;...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): Eigenmodes in a 2D photonic crystal Download |
Nowadays there are heaps of articles on the theory of fuzzy entropy and fuzzy mutual information. However, there is a clear significant lack for a Matlab implementation of these concepts. Based on numerous requests from students and researchers, I have prepared this code to simplify such concepts...
Platforms: Matlab
License: Shareware | Cost: $0.00 USD | Size: 10 KB | Download (44): uzzy Entropy and Mutual Information Download |