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Measurement freeware
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Measurement

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Added: August 20, 2013 | Visits: 368

Phase Noise to Jitter Usage:Jitter = Pn2Jitter(f, Lf, fc)Inputs:f: Frequency vector (phase noise break points), in Hz, row or column.Lf: Phase noise vector, in dBc/Hz, same dimensions, size(), as f.fc: Carrier frequency, in Hz, a scalar.Output:Jitter: RMS jitter, in seconds.Phase noise data can be derived from...



Platforms: Matlab

License: Freeware Size: 10 KB Download (22): Phase Noise to Jitter Download

Added: July 29, 2013 | Visits: 233

Gaussian Mixture Modeling GUI (GMM DEMO) The Expectation-Maximization algorithm (EM) is widely used to find the parameters of a mixture of Gaussian probability density functions (pdfs) or briefly Gaussian components that fits the sample measurement vectors in maximum likelihood sense [1]. In our work, the expectation-maximization (EM)...





Platforms: Matlab

License: Freeware Size: 573.44 KB Download (18): Gaussian Mixture Modeling GUI (GMM DEMO) Download

Added: July 19, 2013 | Visits: 274

INCA Matlab Auto Calibration Wizard INCA, the industry leading automotive ECU measurement and calibration tool from ETAS, provides a product add-on, the Matlab Integration Package, which allows Matlab (and therefore Matlab users) the abiltiy to access a majority of the capabilities and functionality of INCA. Typically this...


Platforms: Matlab

License: Freeware Size: 1.66 MB Download (23): INCA Matlab Auto Calibration Wizard Download

Added: April 28, 2013 | Visits: 241

RBF Acoustic Tomography 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 (18): RBF Acoustic Tomography Download

Added: May 18, 2013 | Visits: 276

KPIB: Kenny-Purpose Interface Bus kpib.m contains code for GPIB and serial port communication for a number of scientific instruments, organized so that a single common command syntax can operate them all. For example, the command:r = kpib(INSTRUMENT,GPIB,'read');will return the voltage and current reading from a number of...


Platforms: Matlab

License: Freeware Size: 348.16 KB Download (18): KPIB: Kenny-Purpose Interface Bus Download

Added: August 27, 2013 | Visits: 222

Bidirectional Branch and Bound for Average Loss Minimization This is the third part of the work to select measurements / measurement combination for selfoptimizing control. It uses aberage loss as the criterion instead of the worst case loss presented in the second part.Bidirection branch and bound (B3) is a very efficient BAB algorithm. In the first two...


Platforms: Matlab

License: Freeware Size: 10 KB Download (19): Bidirectional Branch and Bound for Average Loss Minimization Download

Added: June 16, 2013 | Visits: 190

Peak finding and measurement A fast customizable function for locating and measuring the peaks in noisy time-series signals. Adjustable parameters allow discrimination of "real" signal peaks from noise and background. Determines the position, height, and width of each peak by least-squares curve-fitting. It can find and...


Platforms: Matlab

License: Freeware Size: 30.72 KB Download (19): Peak finding and measurement Download

Added: September 05, 2013 | Visits: 410

Electrical and Hydraulic actuation of an aileron This zip file contains the demonstration model showing a 3-D mechanical model of an aileron actuated with a hydraulic actuator and with an electromechanical actuator. The parameters of the motor are tuned automatically to match measurement data, and the performance of the system is optimized in...


Platforms: Matlab

License: Freeware Size: 133.12 KB Download (22): Electrical and Hydraulic actuation of an aileron Download

Added: August 15, 2013 | Visits: 237

Generalized Principal Component Pursuit This is a generalized version of Principal Component Pursuit (PCP) where the sparsity is assumed in a transform domain and not in measurement domain. Moreover the samples obtained are lower dimensional projections. Inputs y - observation (lower dimensional projections)F - projection from signal...


Platforms: Matlab

License: Freeware Size: 10 KB Download (21): Generalized Principal Component Pursuit Download

Added: March 27, 2013 | Visits: 242

GP-OLS model structure identification Genetic Programming (GP) generates nonlinear input-output models of dynamical systems from input-output measurement data. This GP-OLS toolbox applies Orthogonal Least Squares algorithm (OLS) to improve the search effeciency of GP.It can be used for static equation discovery or structure...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): GP-OLS model structure identification Download

Added: April 19, 2013 | Visits: 244

Boundary Control via Smith Predictor for Beam Equation 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 (21): Boundary Control via Smith Predictor for Beam Equation Download

Added: April 03, 2013 | Visits: 179

FinMetrics FinMetrics is MATLAB based, open source quantitative portfolio management environment. Built on concepts of bottom-up approach to application design, it allows users to define most basic, low level building blocks, e.g. assets and transactions, to be further pieced together in a higher level...


Platforms: Matlab

License: Freeware Size: 409.6 KB Download (19): FinMetrics Download

Added: March 27, 2013 | Visits: 239

SPIDER simulation This script simulates an electromagnetic pulse, a spectral phase interferometry for direct electric field reconstruction (SPIDER) measurement and reconstruction and compares it to the true electric field in time in the presence of noise (additive, multiplicative, quantative and in the delay).Play...


Platforms: Matlab

License: Freeware Size: 10 KB Download (18): SPIDER simulation Download

Added: April 11, 2013 | Visits: 214

Sahab Matlab contest Depth cameras give a 3D distance measurement for each image pixel. These sensors are increasingly popular in Engineering applications such as automation, manufacturing, structural surveys, robotics, computer vision, 3D markerless motion capture and home entertainment. The image on the left shows...


Platforms: Matlab

License: Freeware Size: 1.29 MB Download (18): Sahab Matlab contest Download

Added: April 19, 2013 | Visits: 206

4-Port VNA-Based NVNA (Nonlinear Vector Network Analyzer) This particular NVNA measurement setup is referenced from the following: J Hu et al "Calibrated Nonlinear Vector Network Measurement Without Using a Multi-Harmonic Generator" to appear in IET Microwaves, Antennas & Propagation. It's also extensively described in the following: J Hu "Radio...


Platforms: Matlab

License: Freeware Size: 890.88 KB Download (18): 4-Port VNA-Based NVNA (Nonlinear Vector Network Analyzer) Download

Added: July 16, 2013 | Visits: 212

Units API Units API converts between various weights and measurements.The central API call, unitsapi_convert($value, $from, $to, $details = FALSE), uses the International System of Units (SI) conversion factors to convert measurement units.This module is only an API and does not have an user...


Platforms: PHP

License: Freeware Size: 10 KB Download (18): Units API Download

Added: November 24, 2013 | Visits: 271

Parcel Calculator Parcel Calculator is a native Mac OS X application, mainly for calculating girth, volumetric weight and for tracking parcels. It is written in ObjC / Cocoa with extensive usage of Objective-C 2.0 sytnax. Newer technologies such as garbage collection require Snow Leopard (or higher) to work...


Platforms: Mac

License: Freeware Size: 747.52 KB Download (18): Parcel Calculator Download

Added: July 29, 2013 | Visits: 306

Linear Charge Gauss's Law The EJS Linear Charge Gauss's Law model shows a Gaussian surface and allows for the measurement of the charge enclosed and surface area of the surface. Users can change the radius of the linear charge as well as the size of the Gaussian surface. Users can modify this simulation if Ejs is...


Platforms: Mac

License: Freeware Size: 1.39 MB Download (18): Linear Charge Gauss's Law Download

Added: September 28, 2013 | Visits: 172

KPSK KPSK is a PSK31 digital radio communications application for use by licensed amateur radio operators and designed specifically for the KDE 3.x desktop environment. This release brings a greatly improved version of KPSK to the KDE 3.x desktop environment, expanding on the original functionality...


Platforms: *nix

License: Freeware Size: 696.32 KB Download (16): KPSK Download

Added: October 11, 2013 | Visits: 265

iPDC iPDC is a free and open source Phasor Data Concentrator that collects data from Phasor Measurement Unit devices and other iPDC's that are IEEEC37.118 Std compliant. It also archive received data in the MysQL database on local or remore machine. Features . iPDC & PMU Simulator are compliant...


Platforms: *nix

License: Freeware Size: 860.16 KB Download (18): iPDC Download

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