Freeware Downloads for "Power Spectral Density Plot"

Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. The results differ dramatically from one estimator to another. Plus, varying input parameters and/or number of points may provide discrepancies. See how zero padding effects your results. Manufacturing companies take note! Some estimators can detect signals 50 to 100 dB from main signal. See documented example! The unwritten rule of '30 dB is okay' (i.

Which estimator is best for your job? Helps Find best Spectral Estimation Method for a Power Spectral Density plot. A menu of 10+ spectral estimators from Steve Kay's textbook 'Modern Spectral Estimation' 1988 is available to choose from. The results differ dramatically from one estimator to another. Plus, varying input parameters and/or number of points may provide discrepancies. Observe how zero padding effects your results. Manufacturing companies take note! Some estimators can detect signals 50 to 100 dB from main signal.

This program calculates the Vibration Response Spectrum (VRS) for a base input Power Spectral Density (PSD). The base input PSD must be in terms of acceleration. The VRS uses point-by-point multiplication of the transmissibility function times the base input PSD. It is thus more accurate than Miles equation..

  • Platform: Matlab, Scripts
  • Publisher: Tom Irvine
  • Date: 20-02-2013
  • Size: 10 KB

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 are used by the spectrogram function type: 'help spectrogram' for more information on WINDOW,NOVERLAP, and NFFT - WINDOW: Either an integer value N or coefficients of a Window function stored in a length N matrix.

  • Platform: Matlab, Scripts
  • Publisher: Michael Lindemuth
  • Date: 24-04-2013
  • Size: 10 KB

This script calculates the PSD of a time history. It prompts the user for parameters related to the spectral resolution and the number of statistical-degrees-of-freedom..

  • Platform: Matlab, Scripts
  • Publisher: Tom Irvine
  • Date: 19-06-2013
  • Size: 10 KB

This script is intended to illustrate the concepts of eyediagramm, constellation, ISI and to understand the effects of additive noise power, channel frequency band restriction, number of possible states within a symbol period, affecting the quality of the transmission. Three methods are employed for low-pass filtering: - classical low pass filter (actually two order Butterworth) creating ISI. - raised cosine filter in order to illustrate the possibility of suppress ISI . - Pseudo filtering by increasing risetime and falltime of ideal rawcode .

  • Platform: Matlab, Scripts
  • Publisher: Alain Demange
  • Date: 06-03-2013
  • Size: 51 KB

This program calcultes the overall GRMS for a PSD function. It also calculates the overall velocity and displacement values..

  • Platform: Matlab, Scripts
  • Publisher: Tom Irvine
  • Date: 17-05-2013
  • Size: 10 KB

This ultimate free unique application is for all students across the world. It covers 147 topics of Digital communication in detail. These 147 topics are divided in 5 units.

Each topic is around 600 words and is complete with diagrams, equations and other forms of graphical representations along with simple text explaining the concept in detail.

This USP of this application is "ultra-portability". Students can access the content on-the-go from anywhere they like.

Basically, each topic is like a detailed flash card and will make the lives of students simpler and easier.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: faadooengineers.com
  • Date: 10-05-2014
  • Size: 3174 KB

yoshinoGRAPH is a scientific graph software for data analysis and presentation. You can make 2D and 3D graphs quickly from data files in text format. This software is tiny but includes many basic functions to analyze/edit data as well as rather advanced ones. Followings are some features of yoshinoGRAPH. Features: · plot styles: scatter charts, density and 3D (under development) plots with and without lines · double Y-axis and shift in Y direction are available in 2D graph · easy to change scales among linear, log and inverse · polynomial fit · manual fit of two independent lines to a data curve · easy to remove scattered/noisy data · easy to convert data; quick sort, smoothing, making tables and so on · to draw a math function on 2D graph using an expression · to copy a graph as metafile and bitmap formats to...

This program operates as a signal spectrum analyzer and a distortion meter at the same time. It can accept any numerical data representing few cycles of a signal. The data do not need to be equally separated. At least ten data points per cycle are needed. Higher number of data points will of course produce better results. The main advantage of the program is its ability to automatically detect the fundamental frequency. Any part of the spectrum within the frequency band f1-f2 can be calculated and plotted.

  • Platform: Matlab, Scripts
  • Publisher: aasim Azooz
  • Date: 27-04-2013
  • Size: 102 KB

Fourier Transform is one of the basic tools to analysis a large scale of problems related to time-series analysis.
There are very few free open source software which can be use in any platform for Fourier Transform and Power Spectral analysis with simple input and output. This tool can only be used by click of mouse i.e. user need not to learn Matlab or R only for Fourier Transform. Here in this tool Fast Fourier Transform (FFT) is implemented with various window function for Power spectrum analysis.

  • Platform: WinOther
  • Publisher: Rishi Das Roy
  • Date:
  • Size: 1546 KB

Spek (IPA: /spdOOC*k/, d-de?bacon' in Dutch) helps to analyse your audio files by showing their spectrogram. Spek is free software available for Windows

Features:

Supports all popular lossy and lossless audio file formats thanks to the FFmpeg libraries.
Ultra-fast signal processing, uses multiple threads to further speed up the analysis.
High number of frequency bands for the best spectrogram quality.
Shows the codec name and the audio signal parameters.
Allows to save the spectrogram as an image file.

This application allows your NFC phone to communicate with STMicroelectronics “STEVAL-IPE020V1” metering evaluation board, powered by ST’s Dual Interface EEPROM device.

The STEVAL-IPE020V1 is an autonomous battery-powered energy metering able to record and store 64 Kbits of eight different consumption data using the M24LR64-R Dual interface EEPROM (I2C and RF). It is a fully functional single-phase solution, also based on the STPM10 metering IC and the STM8L152 microcontroller.

The M24LR64-R is a Dual Interface EEPROM which targets a wide range of applications such as metering, industrial or medical equipment and consumer electronics.

  • Platform: Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: STMicroelectronics
  • Date: 06-10-2014
  • Size: 2969 KB

The A·P·E Calculator helps to easily evaluate often needed (non)linear equations. This includes Sum Frequency Generation (SFG), Difference Frequency Generation (DFG), the wavelength relations in an optical parametric oscillator (OPO) as well as in coherent anti-Stokes Raman scattering (CARS) spectroscopy.

The conversion between wavelength, wavenumber, and frequency as well as different characterizations of pulses can be calculated.

Feedback as well as feature requests are appreciated.


Keywords: nonlinear optics, ultrafast optics, wavelength, wavenumber, SFM, OPO, DFG, CARS, frequency, bandwidth, peak, average, power, energy, density, conversion, pulse width, laser, physics, dispersion, light, ape, berlin, autocorrelator, spectrometer, spectroscopy, spectrometry, microscopy, sgh, thg, fhg, mode locker, frequency shifter,...

  • Platform: Android 1.x, Android 2.x, Android 3.x, Android 4.4, Android 4.x
  • Publisher: Stefan Popien
  • Date: 11-05-2014
  • Size: 275 KB

EZFFT(T,U) plots the power spectrum of the signal U(T) , where T is a 'time' and U is a real signal (T can be considered as a space coordinate as well). If T is a scalar, then it is interpreted as the 'sampling time' of the signal U. If T is a vector, then it is interpreted as the 'time' itself. In this latter case, T must be equally spaced (as obtained by LINSPACE for instance), and it must have the same length as U. If T is not specified, then a 'sampling time' of unity (1 second for instance) is taken.

  • Platform: Matlab, Scripts
  • Publisher: Frederic Moisy
  • Date: 01-06-2013
  • Size: 10 KB

Computers, the restless machines with unprecedented precision are helpers to human beings at many tasks, these days. Almost any challenge involving heavy-calculation from predicting population growth to modeling complex space objects requires computing power of today. Math software is still the 'king of software products' as it allows for calculations required in any aspect of modern life. However, often math software is bulky, overloaded with useless 'features' and requires reading 300-pages manual before attempting to use it.

  • Platform: Windows
  • Publisher: Stochastic Lab
  • Date: 29-12-2005
  • Size: 489 KB

This article consists of a brief discussion of the energy density over time or frequency that is obtained with the wavelet transform. Also an efficient algorithm is suggested to calculate the continuous transform with the Morlet wavelet. The energy values of the Wavelet transform are compared with the power spectrum of the Fourier transform. Useful definitions for power spectra are given. The focus of the work is on simple measures to evaluate the transform with the Morlet wavelet in an efficient way.

  • Platform: Matlab, Scripts
  • Publisher: Richard
  • Date: 08-01-2013
  • Size: 10 KB

This program generates BPSK signal waveforms and plot the power spectrum of unfiltered BPSK..

  • Platform: Matlab, Scripts
  • Publisher: Sanjeet Kumar
  • Date: 24-02-2013
  • Size: 10 KB

Accurate estimates of the autocorrelation function or the power spectrum can be obtained with a parametric model (AR, MA or ARMA). With automatic inference, not only the model parameters but also the model structure are determined from the given data. It is assumed that the ARMASA and the Automatic Spectral Analysis toolboxes are present..

  • Platform: Matlab, Scripts
  • Publisher: Piet M T Broersen
  • Date: 09-04-2013
  • Size: 31 KB

FilerMaskFigure.m overlays a spectral mask on a filter's magnitude response. It will print a PASS or FAIL indication on the final plot..

  • Platform: Matlab, Scripts
  • Publisher: Mike Donovan
  • Date: 18-04-2013
  • Size: 20 KB

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