Search Results for "frequency analysis" - Page 5
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Showing 156 open source projects for "frequency analysis"
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X-Freq
X-Ray Reflectivity Frequency Analysis
Analyze the thicknesses of a sample from an x-ray reflectivity dataset using Fourier Transform techniques. -
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This project will be moving to GitHub. If you want to contribute or get the latest source go to: https://github.com/jramshur/HRVAS HRVAS is a heart rate variability (HRV) analysis tool developed using MATLAB. HRVAS can detrend and filter IBI and can perform time domain, frequency domain, time-frequency, Poincare', and nonlinear HRV analysis. If you use this application or modify this application for your research, please reference the thesis entitled "DESIGN, EVALUATION, AND APPLICAION OF HEART RATE VARIABILITY ANALYSIS SOFTWARE (HRVAS)". ...
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Substitution Cipher Decryption
Decrypt messages encrypted with a substitution cipher
...Ciphertext can be modified at any point of the process. • Easy location of corresponding characters in the ciphertext and the substituted text by selection. • Fast frequency analysis for single letters, bigrams, trigrams and quadgrams (more N -grams can be made available by adding a single line of code). • Showing the most common letters (bi-/trigrams) in the ciphertext compared to the most common letters (bi-/trigrams) in the British English language. • Easy assignment and change of the substitution letters... -
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exploration_evaluation_framework
Framework for evaluation of different aspects of robotic exploration.
This project contains software for the quantitative analysis of different aspects of robotic exploration (i.e., mobile robots that autonomously explore initially unknown environments). More specifically, first, we modified the exploration package (developed by researchers at Bosch Research and Technology Center in Palo Alto, CA), by adding an exploration strategy, namely MCDM, and by introducing the possibility to change perception and decision timing, i.e., event-based or frequency-based perception/decision. ... -
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High Frequency Based Volatility Modeling
A GNU C and Java High Frequency Volatility Modeling Toolkit
A c library with a wrapper written in java for modeling high-frequency based volatility (HEAVY). The model is described in full detail by Shephard and Sheppard in http://www.nuff.ox.ac.uk/users/shephard/papers/heavy.pdf. Access to functions for forecasting volatility, distribution analysis, and Bayesian estimation are also available. Many of the features have been tested and seem to work. Bugs and breakdowns are always inevitable and the package will continuously be updated in the future as improvements are made. -
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vigenere.py
this simple program implements the Vigenere cipher in python
For details of this cipher see; http://en.wikipedia.org/wiki/Vigenere_cipher This cipher can be broken by frequency analysis, this is a toy project, and should not be used in situations where security is important. -
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pyscope
Software oscilloscope using Python and tkinter
Software oscilloscope using Python and tkinter. Supports multiple sources: socket, file, audio, USB. Displays data by samples, time or frequency. Scales the input automatically or manually. It has been renamed "pdatascope" to avoid a name-clash with Pyscope, a scoping package on PyPi. See https://sourceforge.net/p/pydatascope/ for the latest code. -
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CQT-FW
CQT-FW is an audio analisys tool for multiple pitch recognition
CQT-FW(Constant Q transform with Fixed length Window) is a time-frequency transform for multiple pitch recognition in audio signals(songs). The transform CQT(Constant Q Transform) provide analisys frequencies in a exponencial way, like music does, but it have problems with the time resolution. In CQT-FW we have the same frequency resolution as CQT, but with fixed length windows in time, what leads to a constant time resolution as well. And more, time and frequency resolution are not... -
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FFP (Feature frequency profile) is an alignment free comparison tool for phylogenetic analysis and text comparison. It can be applied to nucleotide sequences, complete genomes, proteomes and even used for text comparison.
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PyPedal is a Python module that provides tools for the manipulation of pedigrees, simple visualization of pedigrees, and the calculation of measures of genetic diversity from pedigrees.
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Analyses any ASCII .txt file as well as any other basic text file type. The program analyses for letter frequency, double letter frequency and consonant pair frequency.
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MSDB
Microsatellite Search and Building Database
MSDB (Microsatellite Search and Building Database) is specially designed to offer you a user-friendly interface for finding microsatellite markers, their exact position and frequency of occurrence from genomic sequence. MSDB can accept large number of sequences in GenBank, FASTA and EMBL formats as input and large number of motifs can be searched simultaneously. The program not only can search pure microsatellite but also can search compound and complex microsatellite. The outputs are Microsoft Excel statistics and SQLite database file which is convenient for analysis and classification of microsatellites. ... -
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ENIGMA 2000
ENIGMA 2000 is a reliable file encrypter for DOS shell
ENIGMA 2000 is a symmetric cryptographic algorithm developed in C++ for Windows, to encrypt any file. It is not optimized for speed processing but it is extremly reliable. Tests state that a huge input file just with zeros, will return an output file whose frequency analysis is white noise. It uses six phases to encrypt any file and the phases sequence depends on the password. On phase 5, it uses the Rubik's cube paradigm to encrypt the data. It's extremly reliable and the password varies between 8 and 16 characters. The execution syntax is: coder.exe [file to encode] [password (min 8 char, max 16)] [mode ('c'oder 'd'ecoder)] Enjoy it -
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This is a c-library that provides tools for advanced analysis of electrophysiological data. It features denoising, unsupervised classification, time-frequency analysis, phase-space analysis, neural networks, time-warping and more.
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a real-time music notation detection software, features: - play in the recorder next to your computer, and the notes will apear on screen in real time! - given a music sheet, the software shows the note to play and if you play correctly
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Simple tool used in some CTF games to Cryptanalysis. It's a python script that counts all characters in a text an generate an output with the number of each charactar and pair of characters.
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A simple program that takes a cyphertext and analysis the occurrences of characters in order to make an educated guess as to their plaintext correspondence. Can be a devastating attack on substitution cyphers.
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Frequency Spectrum Dump Inputs: mp3, wav, ogg, flac, etc Scriptable, Visualization Output: csv file with the mean magnitudes of 255 frequency bands
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Online Guitar Tuner java applet which analyse your microphone or any other sound input to find fundamental frequency using a Fast Fourier Transform. Classical "Vintage" design looking like real guitar tuners.
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BIL++ is a set of standalone C++ packages for data processing in Bioinformatics (Graph mining, Bayesian networks, Genetic algorithm, Discretization, Gene expression data analysis, Hypothesis testing).
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AlphaPeeler is a crypto educational tool. It includes frequency analysis, mono-alphabetic substitution, Caesar, transposition, Vigenere, & Playfair cipher. Professional features are: DES, Gzip, MD5, SHA1, SHA256, RIPEMD-16, RSA, & secret share files.
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Using the Mean Machine, even very large EEG data sets can be analyzed (artifact detection, evoked potentials, frequency analysis, ect.). It is a Matlab GUI application, which can also be run via the command line without GUI-support.
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Tune is a note/chord detecting program for use with guitars, pianos, or voices. It uses an FFT to analyze incoming sound and computes the root frequency.
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Software Oscilloscope, Stimulus/Function Generator, Data acquisition and real-time analysis for applications in neurophysiology, behavioral biology, and beyond
