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AutoSignal 1.7
訊號處理分析軟體
Automates the process of analyzing signals.
軟體代號:1146
瀏覽次數:10851
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中國鋼鐵股份有限公司
交通部運輸研究所 港灣技術研究中心
國立中央大學
國立臺灣科技大學
國立體育大學
國立高雄科技大學 (第一校區)
國立高雄餐旅大學
明志科技大學
經濟部 水利署水利規劃試驗所 (大地科學實驗室)
義守大學 (燕巢校區)
臺北市立大學
臺灣積體電路製造股份有限公司
行政院勞工委員會勞工安全衛生研究所
行政院原子能委員會核能研究所
輔英科技大學
農業委員會 農業試驗所
三軍總醫院 (內湖院區)
工研院 工業技術研究院 中興院區
建國科技大學
聖約翰科技大學
臺東榮民醫院
行政院農業委員會 水產試驗所
馬偕學校財團法人馬偕醫學院
護理學系
研究發展處
太空科學研究所
營建工程學系
競技與教練科學研究所
機械與自動化工程系
餐旅暨會展行銷管理系
材料工程學系
機械工程學系
大地工程試驗課
生物醫學工程學系
地球環境暨生物資源學系
計算機與網路中心
物理組
環境工程與科學系
農業工程組
外科加護中心
創意中心
自動化工程系
全人教育中心
內科
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聽力暨語言治療學系
Features

Interface

  • Full 32-bit performance
  • Toolbars and menu-driven for all functionality
  • No programming of procedures, algorithms or graphing
  • Advanced on-line help system

Non-Parametric Spectral Analysis

  • AR spectral methods offer accurate frequency estimation with short data records
  • AR spectrum methods: AR spectrum, AR with order exploration, AR with algorithm comparison
  • 14 AR algorithms: autocorrelation method, maximum entropy method (Burg), least-squares normal equations, least-squares covariance models and modified covariance models, singular value decomposition methods
  • Model order selection and order exploration
  • Moving average spectrum
  • ARMA spectrum
  • Prony Spectrum offers fitting of damped sine and damped exponential that occur in multi-component exponential decays
  • Minimum Variance Spectrum

Eigen Analysis Spectrum

  • Eigen Analysis Spectrum provides accurate and robust spectral procedures for estimating harmonic frequencies
  • Provides excellent signal-noise separation
  • Graphically select signal and noise sub-space; also available in certain parametric procedures

Data Processing

  • Non-Linear Optimization offers parametric refinement of spectral estimates: least-squares, maximum likelihood
  • Fourier Interpolation
  • Fourier Upsampling
  • Parametric Interpolation and Prediction
  • Graphically inspect the autocorrelation series
  • Detrend: Constant, Linear, Quadratic, Cubic, Logarithmic, Exponential, Power, Hyperbolic
  • Difference the data with adjustable order and lag, compute various cumulatives and normalize for unit area, unit power, unit standard deviation and zero mean
  • Add or subtract a reference signal
  • Compare imported reference signals
  • Gaussian deconvolution or exponential deconvolution to remove instrument response smearing
  • Find long-term "memory effects" in flat frequency response signals with Fractal Dimension option

Numeric Review

  • Full component numeric summary report include: procedure, algorithm, listing of interpolated spectral peaks, frequency analysis and linear least-squares fit summary
  • List data offers extended data summary with results from each of the procedure such as frequency, magnitude, phase and power spectral density
  • Goodness of fit statistics: r2, degrees of freedom adjusted r2, fit standard error, F-statistic
  • Evaluation option with automated table generation, includes function, derivatives, roots and cumulative volume; X values can be generated or imported from file

Output and Export

  • Publication-quality printed graphs
  • Image formats include bitmaps, metafiles, enhanced metafiles and device-independent bitmaps
  • File formats include ASCII, Excel, Lotus, SYSTAT, SPSS
  • Export numerical summaries and graphs to MS Word RTF documents

Data Input

  • Up to 65,536 points in data table
  • Over 65.4 million points can be filtered into table using decimation import filter
  • ASCII (Single, X-Y and Multi-column)
  • Excel (Excel 97, Excel 95, v5, v4, v3)
  • Lotus 123 (WK4, WK3, WK1)
  • Quattro Pro (WB2, WB1)
  • SigmaPlot (JPG, SPW, SP5)
  • SPSS (SAV v7.5, v8 and v9)
  • SYSTAT (SYD v8)
  • Waveform (WAV MS PCM 8, 16, 32 bit)
  • DIF (Single, X-Y and Multi-column)
  • dBase (DBF III+, IV)
  • Import Preview graphs prospective data
  • Separate append options that automatically averages replicates

Fourier Spectral Analysis

  • Procedures: Fourier Spectrum, Fourier Spectrum with Data Window, Fourier Spectrum with Data Window Comparison, Fourier Spectrum of Segmented Data, Fourier Multitaper Spectra, Fourier Spectrum of Unevenly Sampled Data (Lomb-Scargle)
  • Transforms: FFT Radix2, Prime Facto, Mixed Radix, Chirp-Z, Best Exact-N
  • Zero pad
  • 30 tapering windows:
  • Fixed: none, Welch, Bisquare, Bartlett, cs2 Hanning, Tukey-Hanning, cs2 Hamming, Bartlett Mod, cs3 Nuttall C3, cs3 Blackman, cs3 Blackman-Harris 3, cs3 Nuttall C1, cs3 Blackman Exact, cs3 Blackman-Harris min, cs3 Nuttall min, cs4 Nuttall C5, cs4 Blackman-Harris 4, cs4 Nuttall C3, cs4 Nuttall C1, cs4 Blackman-Harris min, cs4 Nuttall min
    Adjustable: Beta, csx max Roll-off, Kaiser-Bessel, VanderMaas, Chebyshev, Chebyshev Appr, Slepian DPSS, Gaussian, Tapered-Cosine
  • Compare up to 4 tapering windows simultaneously
  • Measure data window properties: mainlobe, sidelobe, roll-off

Time-Frequency Spectral Analysis

  • Short-Time Fourier Transform Spectrum uses a series of segmented and overlapped FFTs to find Fourier spectral information for non-stationary data
  • Continuous Wavelet Spectrum multi-resolution time-frequency techniques: 3D surface, contour, power integration across time or frequency
  • Wavelet spectra can be generated with up to 100 linear or logarithmic frequencies
  • Adjustable mother wavelets: Morlet, Paul, Gaussian Derivative
  • Zero padding available
  • Full critical significance limits available as 3D gradients
  • Graphical rendering of cone of influence
  • Automated power analysis by integrating interpolated wavelet spectrum surface

Filtering and Reconstruction

  • Fourier Smoothing and Denoising: frequency or signal threshold filtration
  • Eigen decomposition Smoothing and Denoising: signal strength threshold filtration
  • Wavelet Smoothing and Denoising: thresholds in the time-frequency domain for non-stationary data
  • Fourier Filtering and Reconstruction: Fourier domain filtering and component isolation procedure
  • Eigen decomposition Filtering and Reconstruction: isolates individual oscillatory components in signals
  • Wavelet Filtering and Reconstruction: isolates in the time-frequency domain
  • Savitzky-Golay Smoothing filter: includes smoothing to 1st through 4th derivative
  • Spline Estimations: cubic, cubic constrained, smoothing cubic, B-spline, B-Spline Fix knots, B-spline Optimal knots, NURBS
  • Adjustable order Loess with tricube and Gaussian weighting

Significance Levels

  • Unique Peak-based critical limit levels to ascertain the significance of the spectral components
  • Critical limits plotted are: 50%, 90%, 95%, 99%, 99.9% (uses color gradients for wavelets)
  • Peak-type critical limits are based on Monte Carlo trials with algorithms exactly as implemented
  • Can specify AR-1 red-noise background spectrum option

Production Facility

  • Batch process large numbers of data sets in an unattended procedure
  • Import up to 64,515 data sets from Excel 95/97 with up to 255 worksheets and multiple columns per worksheet
  • Acquire data using simple DLL interface
  • Automatically export numerical summaries and/or graphs to MS Word RTF documents
  • Automatically export results of analysis to an Excel 95/97 file
Overview
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Perform complex signal analysis with a mouse click - no programming required !

AutoSignal TM is the first and only program that completely automates the process of analyzing signals. Save precious time by eliminating the programming time normally required for performing sophisticated signal analysis. AutoSignal takes full advantage of its graphical user intuitive interface to simplify every aspect of operation, from data import to output of results. Choose your analysis techniques from the menu or toolbar. Select the algorithm and options from the interface. You get immediate visual feedback with 2D or 3D graphs of your signal analysis plus numeric summaries for reports.

 

Quickly locate your signal components

AutoSignal gives researchers the power to rapidly find components of complex signals that normally require extensive programming and mathematical routines. AutoSignal provides a vast array of spectral analysis procedures to help you make intelligent conclusions for any application. Built-in spectral analysis procedures include:

  • FFT
  • AutoRegressive
  • Moving Average
  • ARMA
  • Complex exponential modeling
  • Minimum variance methods
  • Eigen analysis frequency estimation and Wavelets

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Precisely estimate with advanced parametric modeling

With AutoSignal, you get state-of-the-art parametric nonlinear modeling for sinusoid and damped sinusoid models. Non-linear optimization is also available as an independent procedure or as an adjunct to each of the spectral algorithms. It includes robust maximum-likelihood optimizations as well as automatic parameter constraints. AutoRegressive linear models offer robust models that can quickly handle smaller data sets that FFT cannot accurately analyze.

Graphically review signal analysis results

As a powerful visualization tool, AutoSignal automatically plots your peaks, contours or 3D surfaces - so you don't have to perform additional steps to see your results. Change any algorithm or analysis option on the fly through the user interface and see instant results. Isolate components of a signal graphically using eigen decomposition to display and select eigen components in order to find very low frequency oscillatory components or identify paired eigen modes producing a specific oscillation. Analyze your results with residual and root plots and show statistical significance and probability limits on your output graphs. Clearly present your results with control over titles, fonts, colors, points, scaling, axis scale, labels, grid and plot types.

 

4

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Isolate components by signal strength using eigendecomposition

In addition to FFT and wavelet spectral analysis techniques, you can select from linear and non-linear methods that are right for your application. The eigendecomposition procedures enable you to visually select eigenmodes for signal-noise separation or component isolation. With AutoSignal, you can also recover signal components based on power - the component may be sinusoidal, a square wave, a sawtooth or anharmonic pattern. You can confirm the presence of white noise or isolate red noise by reconstructing only the noise eigenmodes.

Easily smooth and process your signals

AutoSignal gives researchers the power to rapidly find components of complex signals that normally require Only AutoSignal offers so many different user-friendly methods to manipulate signal data. You can inspect your data stream in the Fourier domain and zero higher frequency points - and see your results immediately in the time domain. This smoothing technique allows for superb noise reduction while maintaining the integrity of the original data stream. AutoSignal also includes eigendecomposition, wavelet, Savitzky-Golay, Loess and detrending for smoothing and denoising. Isolate components and detect signals with powerful filtering and reconstruction techniques with Fourier, eigendecomposition and wavelet methods. For instance, isolate components that appear and disappear with wavelet filtering and reconstruction. Recover the true signal that would have been measured using an ideal sensing system with Gaussian and exponential deconvolution.

Effortlessly analyze non-stationary data with wavelets

Simultaneously find the time and frequency localization components of a non-stationary periodic signal with Continuous Wavelet Spectrum analysis techniques. AutoSignal gives you a choice of three adjustable mother wavelets: Morlet, Paul and Gaussian Derivative - in both real and complex forms to optimize localization results. You can also perform power analysis in either the time or the frequency range with specialized in-depth analysis techniques to evaluate the signal.

Save precious research time with the production facility

What once took hours now takes seconds - with only a few mouse clicks. It's so easy - even novice users can learn how to use AutoSignal in no time. Every procedure is automated. For even more muscle, streamline your work with the production facility to automate batch analysis and reporting. With an easy-to-use dialog, set up your batch import and export options. Link directly to your hardware to analyze and report on the fly. Already have your data in Microsoft® Excel? No problem. Process up to 255 Excel worksheets at once. Create RTF reports with numerical summaries that include publication-quality graphs or export the data to a new Excel workbook. With AutoSignal, it's so simple!

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China Steel Corporation Office of Research and Development
Institute of Transporation, Center of Harbor and Marine Technology
National Central University Institude of Space Science
National Taiwan University of Science and Technology Department of Construction Engineering
National Taiwan Sport University Graduate Institute of Athletics and Coaching Science
National Kaohsiung University of Science and Technology Department of Mechanical & Automation Engineering
National Kaohsiung University of Hospitality and Tourism
MingChi University of Technology Department of Materials Engineering
MingChi University of Technology Department of Mechanical Engineering
Water Resources Planning Institute,Water Resources Agency,Ministry of Economic Affairs Geo-lechnical Engineering Division
I-SHOU UNIVERSITY Department of Biomedical Engineering
University of Taipei
University of Taipei Computer Information Center
Taiwan Semiconductor Manufacturing Company, Ltd.
Institute of Occupational Safety and Health
Institute of Nuclear Energy Research Atomic Energy Council, Executive Yuan Physics Division
Fooyin University Department of Environmental Engineering & Science
Taiwan Agricultural Research Institute Agricultural Engineering Division