Effectiveness Versus Efficacy
The comb pilot aided channel estimation in ofdm modulation is considered. The power of pilot subchannels is under the control.The data experience frequency selective channel then the AWGN noise is added to make the situation worse. The bit error rate is ploted versus SNR.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (48): OFDM LSE Channel Estimation Download |
Using information from Matlab central, Robot Grrl, and the Arduino forums, four files (two .m and two sketches) demonstrate two way communications between Matlab and the Arduino. The first set of files, serialTest1, demonstrates arduino input with Matlab tic/toc timing information added, and the...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (44): Interacting with an Arduino Using the Matlab Serial Commands Download |
The performance of the level set segmentation is subject to appropriate initialization and optimal configuration of controlling parameters, which require substantial manual intervention. A new fuzzy level set algorithm is proposed in this paper to facilitate medical image segmentation. It is able...
Platforms: Matlab
License: Freeware | Size: 1.03 MB | Download (47): Spatial Fuzzy Clustering and Level Set Segmentation Download |
Professor Jim Wilkes provides representative values of the volumetric flow rate versus the applied pressure gradient for horizontal flow in a pipe [1]. The pipe radius is equal to 0.01 m. We use these representative values, in conjunction with the analytical expression of the volumetric flow...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): Non-Newtonian Fluid Model Determination (for power law and Bingham fluids) Download |
We use the genetic algorithm (gatool) to determine the four parameters of the implicit Forst-Kalkwarf-Thodos Model. Predictions are in perfect agreement with data of vapour pressure of iodobenzene versus temperature for a temperature range from 380.15 K to 580.15 K.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (47): Model Determination using Genetic Algorithm: Forst-Kalkwarf-Thodos Model Download |
The program determines the constants Rmax and Km of the Michaelis-Menten model using data given in Fundamentals of Chemical Reaction Engineering by M. E. Davis & R. J. Davis, McGraw Hill, 2003. This data represents the substrate (catechol) concentration versus time. This data was obtained using...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): Nonlinear Fit of Michaelis-Menten model Download |
The Oregonator model accurately describes the Belousov-Zhabotinsky (BZ) reaction. BZ reaction is an example of oscillating chemical reactions. The simulink file oregonator.mdl solves this classical problem. The values of the parameters used in the simulation give a limit cycle when we plot...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (39): The Oregonator Model Download |
The code uses the SRK EOS written for a single component to plot isotherms, compute gas and liquid molar volumes and to plot vapor pressure versus temperature for ethane.Please visit these links for a paper by Z. Nasri and H. Binous where all equations are given as well as the same calculations...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Screenshot Applications of the Soave-Redlich-Kwong Equation of State using Matlab Download |
This function solves the linear fractional-order differential equations (FODE) with constant coefficients. The short memory principle has not neen used here, so the length of input signal is limited to few hundred samples. The parameters of the FODE (in its standard form) are the inputs of this...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): Fractional-order differential order equation solver Download |
we can apply either a initial velocity, initial displacement or both. I incuded damping. first plot shows the vibration of a SDOF system. second plot is time versus displacement. Third plot is time velocty and fourth plot is displacement versus velocity.
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (39): single degree of freedom system with damping Download |
I need to thank Duane Hanselman for suggesting this great idea.Fminspleas is a simple nonlinear least squares tool that fits regression models of the formY = a1*f1(X,C) + a2*f2(X,C) + ... + an*fn(X,C)X can be any array, so it works on multidimensionalproblems, and C is the set of only...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (41): Fminspleas Download |
We use the genetic algorithm (gatool) to determine the three parameters of the simple Antoine equation and the six parameters of the Modified Antoine Model. Predictions are in perfect agreement with experimental data of vapor pressure of ethanol versus temperature for a temperature range from...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): Model Determination using Genetic Algorithm: Application to Vapour Pressure vs Temperature Equations Download |
The velocity and shear stress versus radial position are determined for laminar flow of a Carreau fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing Differential Algebraic...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): Velocity Profile of Laminar Flow of Carreau fluid in a Pipe Download |
This is a large set of test functions, which may be used to test the effectiveness of global optimization algorithms. Some are rather easy to optimize (rosenbruck, leon, ...), others next to impossible (crosslegtable, bukin6, ...).All the test-functions are taken from either [1], [2] or [3] (see...
Platforms: Matlab
License: Freeware | Size: 40.96 KB | Download (40): Many testfunctions for global optimizers Download |
New users and old of optimization in MATLAB will find useful tips and tricks in this document, as well as examples one can use as templates for their own problems.Use this tool by editing the file optimtips.m, then execute blocks of code in cell mode from the editor, or best, publish the file to...
Platforms: Matlab
License: Freeware | Size: 92.16 KB | Download (45): Optimization Tips and Tricks Download |
The velocity and shear stress versus radial position are obtained for the laminar flow of a power-law fluid in a pipe. Pipe radius and applied pressure gradients can be set by the user. If you choose a power-law exponent, n, equal to 1 then a Newtonian fluid is recovered. Dilatant and...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (45): GUI application for pipe flow of a power-law fluid Download |
The velocity and shear stress versus radial position are determined for laminar flow of a power law fluid in a pipe. The shooting method is used to verify the no-slip boundary condition at the piped-deOaos wall. Once the velocity at the center is determined, the governing equation is solved...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (46): Velocity Profile of Laminar Flow of Power Law fluid in a Pipe Download |
PID control over the exit raffinate composition (x5) of a five stages column is obtained by changing solvent flow rate (G). The set point is equal to 0.1. The model equations include backmixing effects. This problem is solved using Berkeley-Madonna in Chemical Engineering Dynamics, Ingham et al.,...
Platforms: Matlab
License: Freeware | Size: 30.72 KB | Download (41): A Five Stage Extraction Cascade with Backmixing and Control Download |
The m-file called routh_sc that means ROUTH stability criterion works which a vector which represent the values of the characteristic coefficients equation of denominator in transfer function of a system.It is small program with an efficacy algorithm respects the steps mentioned in the method and...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (46): ROUTH stability criterion Download |
Boundary Control via Modified Smith Predictors for Beam Equation with Delayed Boundary MeasurementSmith predictor and its variants are applied to the boundary control of Euler-Bernoulli beam equation with delayed boundary measurement. The well-known instability problem due to a small time delay...
Platforms: Matlab
License: Freeware | Size: 10 KB | Download (43): Boundary Control via Smith Predictor for Beam Equation Download |