Ballistic Coefficient
Randomly generated information is modulated using 16 QAM and passed through Rayleigh fading channel and AWGN is added.PSAM (pilot symbol assisted modulation)i.e pilot symbols are inserted into sequence of information symbols periodically is done before transmission inorder to estimate channel...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): A simple program on channel estimation with different interpolation techniques Download |
The programme here draws the plot of the periodic signal whose d-deOaoCkd-de? is given by user.Following data should be entered by user.1. Ck value (separate for k=zero, k= even and k=odd)2. Time period of periodic function3. Resolution4. Range of k (it is actually -inf to +inf) we can only give...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Fourier Series Tool Download |
Used on cellular phones to filter outbackground noise. Measure the signal to noise ratio of an audio input in realtime. Pass speech but give silence where the input is noise (hiss, snap crackle and pop).Includes a tutorial on how to use statistics (correlation coefficient) to calculate the signal...
Platforms: Matlab
License: Freeware | Size: 1.03 MB | Download (42): Audio Noise Gate for Texas Instruments C5510 / C6713 Download |
Method 1 . Using Step Response and Delay Time and Time Constant Parameters.Method 2 . Using proportional controller action only. you should find critical gain and corresponding critical period.all results come in 2 different output shape.1- Controller with (Kp - Ti - Td)2- Controller with (Kp -...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Z-N PID Controller Tuning Download |
Study of heat transfer and temperature of a 1x1 metal plateheat is dissipated through the left right and bottom sides and emp at infinity is t n(n-1) points in consideration,Temperature at top end is 500*sin(((i-1)*pi)/(n-1)A*Temp=U where A is coefficient matrix and u is constant matrixfinite...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): temperature analysis using finite difference method Download |
Stagewise operation with two different recycle types are considered. The five stages extraction cascade is solved using Simulink. A tank holding the solvent is connected to the extraction cascade. This solvent container is either a perfectly mixed tank or a plug flow tube. This problem with a...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (42): Liquid-liquid extraction with recycle Download |
This Program Performs the following:(1) Animates the movement of a Billiard Ball on a table that has a surface friction (mu) and coefficient of restitution (e) for the sides and saves it as an AVI file.(2) Outputs series of rows and columns that displays the stream data of (Time),(X),(Y),(V), and...
Platforms: Matlab
License: Freeware | Size: 133.12 KB | Download (42): Billiard Ball Animation Download |
In many cases, simulating a dynamical system is best achieved by defining several modes in which it can exist and modeling each mode independently. This approach is known as "hybrid modeling". There is significant academic literature on the subject, but at its most basic level, a hybrid model...
Platforms: Matlab
License: Freeware | Size: 143.36 KB | Download (45): Hybrid Integrator Download |
Improved version of Wigner6j by Amita B Deb. This version returns zero if the triangle inequalities are not satisfied. Also, some undesired output is suppressed.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Wigner 6j angular momentum coupling coefficient Download |
For given p(x) = PROD[i=1,m]{SUM[j=2,n+2]{(A(i,j)*x^(j-2))^A(i,1)}} we shall get p(x) = SUM[s=1,N+1]{p(s)^(N+1-s)} For example If p(x) = (x-4)^5 * (3x^6-7x^3+5x+2)^2 * (x^3+8)^3 * x^2 or A = [ 5 -4 1 0 0 0 0 0 2 2 5 0 -7 0 0 3 3 8 0 0 1 0 0 0 1 0 0 1 0 0 0 0 ] then from p = polyget(A) we get p =...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (42): Polynomial coefficient vector derived from sub-polynomial factors Download |
The Heating and Cooling a Cylinder model computes the radial temperature distribution within a long cylinder as it is heated and cooled by a surrounding fluid. The cylinder is broken into shells and the temperature of each shell is computed using a finite difference approximation to the radial...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (40): Heating and Cooling a Cylinder Model Download |
This application allows you to study the factors involved in an experiment with a Fabry-Perot interferometer. It lets you visualize the result of the multiple-wave interferences produced in the interferometer cavity when an extended source emitting two extremely close wavelengths is used. In this...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (37): Fabry-Perot Interferometer Download |
The EJS Ballistics and Orbits model displays ballistic trajectories near the Earth. The model shows the trajectory with respect to the inertial coordinate system and the trajectory as seen from a point of view that is co-rotating with the Earth. You can examine and modify this simulation if you...
Platforms: Mac
License: Freeware | Size: 92.16 KB | Download (37): Ballistics and Orbits Model Download |
The Falling U-Shaped Chain model simulates the dynamics of a discrete falling chain with total length L and n links. Each link is acted on by the force of gravity mg and by the link-link interaction. A freely falling object is released near the last link for comparison. The surprise is that the...
Platforms: Mac
License: Freeware | Size: 1.16 MB | Download (36): Falling U-Shaped Chain Model Download |
analyzes different features of multiple primers simultaneously, the melting temperature calculation for standard and degenerate oligonucleotides, GC content, primer PCR efficiency; primers are analyzed for all primer secondary structures including G-quadruplexes detection, hairpins, self-dimers...
Platforms: Mac
License: Freeware | Size: 10.24 KB | Download (42): PrimersList Download |
A collection of snippets I use to do a little math. Nothing fancy. The mission Fill a basket for all the math I use to do journalism and prevent myself from having to install numpy on my production server by boiling things down as much as possible. Contains functions that calculate: * Adjusted...
Platforms: *nix
License: Freeware | Size: 20.48 KB | Download (32): latimes-calculate Download |
pyBallistics is a graphical small arms ballistics program used to calculate ballistic coefficients, and model bullet trajectories. Future improvements will be a reloading database, and web links to industry reloading data.
Platforms: *nix
License: Freeware | Size: 6.94 MB | Download (32): pyBallistics For Linux Download |
Uconeer has 370 units in 42 categories. Covers all the basic categories but adds engineering specific categories like enthalpy, entropy, heat capacity, heat transfer coefficient, moment of inertia, stress, surface tension, thermal conductivity, torque and viscosity. Converts feet, inches and...
License: Freeware | Size: 478 KB | Download (696): Uconeer - Units Conversion for Engineers Download |
RColours converts the colour bands commonly found on resistors into the value of that resistor or it converts a given value into the colour bands that would be used to represent that value. 3 and 4 band representations are supported and the user can switch between the two to compare the result...
Platforms: Windows
License: Freeware | Size: 53 KB | Download (1287): RColours Download |
StatsEasy Starter applet allows computing of Range, Median, Arithmetic, Geometric, and Harmonic means. Mean Deviation, Standard Deviation, Variance, Coefficient of Variance, Moments and Moments ratios for ungrouped data. If you have knowledge of basic to intermediate statistics this applet should...
Platforms: Any Browser + Java
License: Freeware | Download (602): StatsEasy Starter Download |