Search Results for "frequency analysis" - Page 3
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Showing 83 open source projects for "frequency analysis"
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Manipulation and analysis of psychophysiological data (e.g. peripheral physiology, EEG, MEG). This toolbox has a special focus on time-frequency approaches, including amplitude and phase-synchrony. Developer Project Home: http://www.ccnlab.umd.edu/Psychophysiology_Toolbox/
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CNV Explorer
Interactive Copy Number Analysis for Cancer Genomics
...However, current tools focus on individual gene queries rather than chromosomal and region-based queries more relevant to some researchers. CNV_Explorer creates interactive CNV frequency, GISTIC-style and breakage frequency plots from public (or your own) data. CNV_Explorer is written in R and Perl and can be deployed online using ShinyApps.io . CNV_Explorer is available under the GNU public license (GPL-3). Check the Wiki for details on how to run your own CNV_Explorer instance! -
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TextTools is a freeware corpus linguistics tool developed in Python to aid in research. This program analyzes user-created corpora and displays information about word (token) frequency, n-grams, clusters, collocations, keyword in context (KWIC), and keyness. TextTools is designed to be user-friendly and intuitive and will run natively on Mac OS X.
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SnowMicroPyn
Python based reader for SnowMicroPen® .pnt measurements
SnowMicroPyn is an opensource reader for SnowMicroPen® files in binary .pnt format. The reader is Python based and published as source code as well as compiled executable for Windows, Linux and Mac. The software is preliminary, thus please report bugs. For further information, please read the Readme.txt in the download section. The SnowMicroPen® (SMP) is developed by the WSL Institute for Snow and Avalanche Research, Davos. The SMP is the first high-resolution snow penetrometer. It is... -
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XNBC: neurobiology simulation tool
XNBC is a graphic application to simulate biologic neural networks.
XNBC is a full featured application for computer naive neuroscientists. It simulates biological neural networks using graphic tools to edit neurons and networks, to run the simulation and to analyze results. Written in C, it runs on Unix and Windows. Web site : http://ticemed-sa.upmc.fr/xnbc/ All recent versions are on this site. -
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Arron-IMSA
Integrated Metagenomic Sequence Analysis for Next Gen Datasets
...IMSA assigns a score to each node of the taxonomy based on read frequency, and can output this as a taxonomy report suitable for cluster analysis or as a taxonomy map (TaxMap). IMSA also outputs the specific sequence reads assigned to a taxon of interest for downstream analysis. -
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ISSE
An Interactive Source Separation Editor
In applications such as audio denoising, music transcription, music remixing, and audio-based forensics, it is desirable to decompose a single-channel recording into its respective sources. To perform such tasks, we present a new software tool to perform source separation by painting on time-frequency visualizations of sound. Initial results shows the software can achieve state-of-the-art separation results compared to prior work. -
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TextProcessor
A Java package to preprocess text datasets for posterior text analysis
The TextProcessor Java package is a text processing toolkit, which provides some frequently used text processing functions such as stemming, removing stop-words, generating a term vocabulary, and calculating the term-doc frequency matrix. Basic topic mining models such as LDA and sparse NMF are also supported. The package can also generate feature files from a given text dataset with LDA and LIBSVM format for posterior procedures such as classification or clustering. The toolkit is also being extended for more advanced text analysis tasks based on natural language processing techniques. -
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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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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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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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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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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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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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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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C4 is a C++ class library for analyzing sound files, particularly spoken and sung phonations. C4 provides features such as frequency analysis, pitch extraction, or calculation of voice quality parameters (e.g. alpha ratio, HNR, jitter, etc.).
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Maximally flat (maxflat) digital filter design in Java, with arbitrary numbers of poles and zeros. "Maximally flat" means that the magnitude frequency response has the maximum number of vanishing derivatives at 0 and pi.
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Maximally flat (maxflat) digital filter design for Octave and Matlab. "Maximally flat" means that the magnitude frequency response has the maximum number of vanishing derivatives at 0 and pi. Handles arbitrary numbers of poles and zeros.
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The Audio-Analyzer project is a set of tools for measuring the frequency response, distortion, and quality of audio equipment. It includes test signal generators and spectrum analyzers.
