Mathematic Formula Cylinder
"It's one of the most used models for signal prediction in urban areas, valid from 150Mhz to 1500MHz, losses are spreading in the urban area as a standard formula and proprciona fixes for applications to other situations"
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Okumura Hata model Download |
This file contain functions for the calculations of:- Fresnel integral with sine and cosine integral- Fresnel integrals- Diffraction loss over one knife-edge using Fresnel integration end Lee's formula- Ploting the Cornu's spiral
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (49): Basic diffraction models Download |
Computes BER v EbNo curve for convolutional encoding / soft decision Viterbi decoding scheme assuming BPSK.Brute force Monte Carlo approach is unsatisfactory (takes too long) to find the BER curve.The computation uses a quasi-analytic (QA) technique that relies on the estimation (approximate one)...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (38): Impact of quantization on performance Download |
The function implement the 1D Walash Transform which can be used in signal processing,pattern recognition and Genetic algorithms. The Formula of 1D Walsh Transform is defined as : N-1 q-1 ---- -- 1 | | b[i](m)*b[q-1-i](u) W(u) = --- / f(m)| | (-1) ,u = 0,...,N-1 N ---- | | m=0 i=0 where for...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Walsh Transform(2D) Download |
The function implement the 1D Walash Transform which can be used in signal processing,pattern recognition and Genetic algorithms. The Formula of 1D Walsh Transform is defined in mfile
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Walsh Transform(1D) Download |
View factor is a MATLAB function that uses the CDIF (contour double integral formula) to calculates view factors between planar surfaces(polygons), no matter what are the shape and the orientation of the two figures.All you need to enter is the coordinates of the vertices that define the outlines...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (49): View Factors Download |
Acoustic tomography involves sending a sonic signal across a measurement area and timing how long it takes to travel the distance. A number of transducers are situated around the measurement area to achieve this. Since the absolute sonic speed is affected by temperature and wind speed, so is the...
Platforms: Matlab
License: Freeware | Size: 184.32 KB | Download (47): RBF Acoustic Tomography Download |
MolMass is a function for calculating the molar weight of a substance given in form of a chemical formula.Function call: MM = MolMass(substance)Substance is a string of the chemical formula of a substance.Example: MM = MolMass('Fe2(SO4)3');Substance can also be a vector of substances opened by...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (46): Molecular Weight Calculator Function Download |
This file contains a funtion (mfile) and a simulink block. They both give the approximation of the saturation of a function between the values [-1,1]. The main advantage and purpose of designing this simple yet powerful function is to obtain a smooth funtion that has a continous derivative.It can...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): saturation function Download |
Wigner3j( J123, M123) calculates the Wigner 3j-symbol according to Racah formula.The Wigner 3j symbol is useful for multiplication of Spherical Harmonics (and their generalizations) and for addition of angular momentum.The are related to the Clebsch-Gordan coefficients by:Wigner3j( J123, M123 ) =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (40): Wigner3j symbol Download |
This m-file gives the atomic weight of any element or molecular weight of any chemical species.Input:species = (cell array)The species is the 'formula'.Output:Atomic weight of any element or molecular weight of any chemicalspecies.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): amolwt Download |
This file includes two m-files. The ASWERS12345 calculates GRS80 free air anomalies,Eigen-CG03C and model of remaining topography reduction,empirical and analytic covariance functions,normal gravity (GRS67,GRS80) using Somigliana formula. The other one fftstokes.m is a geoid computation using...
Platforms: Matlab
License: Freeware | Size: 2.04 MB | Download (39): Intoduction to the gravity field of earth Download |
XLSRANGENAMES Returns a list of named ranges in an excel workbook RangeNames = XLSRangeNames(filename) RangeNames is a (n x 2) cell array with the name of the named range in the first column and the value (aka location) in the second column The value is an excel formula similar to: '=Sheet1!$A$1'...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Excel Named Ranges Download |
Ranks the content using the IMDB voting algorithm.Provides the "imdb" aggregate function to the Voting API module. Use the name of this function instead of "average" or "count" when creating Views for modules based on Voting API.IMDB-like votes are calculated using the formula W = (Rv + Cm) / (v...
Platforms: PHP
License: Freeware | Size: 10 KB | Download (38): IMDB Voting Download |
BoolVar/Pb is a Java library for translating pseudo-Boolean constraints into CNF formulae. Pseudo-Boolean constraints are linear inequations with integer coefficients and 0/1 variables. They can be used for modelling a number of problems in the area of time-table design, planning, resource...
Platforms: Mac
License: Freeware | Size: 748.54 KB | Download (36): BoolVar/PB Download |
QSegmentWidget is a free and open source base class for segment widgets like progress controls, clocks, status displays, etc. A QSegmentWidget contains a number of cylinders with a specified width. Every cylinder can show a number of segments with a defined start and stop angle. The segments can...
Platforms: Mac
License: Freeware | Size: 112.64 KB | Download (41): QSegmentWidget Download |
XBPageCurl is a free and open-source implementation of a page curl animation/transition for views in iOS that intends to mimic the behavior of the pages in apps like iBooks and GoogleMaps for iOS. It uses OpenGL ES 2 to draw a deformed mesh of triangles. Conceptually, it projects the vertices of...
Platforms: Mac
License: Freeware | Size: 1.18 MB | Download (42): XBPageCurl Download |
The Mathematics Toolbar is a document template for Microsoft Word designed to speed up writing of mathematical formula. The Mathematics Toolbar consists in two toolbars, one for writing mathematical formula and one for creating mathematical drawings. The Mathematics Toolbar is an open source...
Platforms: Mac
License: Freeware | Size: 2.41 MB | Download (39): Mathematics Toolbar Download |
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Platforms: Mac
License: Freeware | Size: 1.32 MB | Download (35): Ferrari Formula 1 Download |
galculator is a GTK 2 based calculator with ordinary notation/reverse polish notation, a formula entry mode, different number bases (DEC, HEX, OCT, BIN) and different units of angular measure (DEG, RAD, GRAD). [a basic calculator] galculator features two user modes: basic and scientific mode....
Platforms: *nix
License: Freeware | Size: 512 KB | Download (35): Galculator for Linux Download |