MARTINDALE'S CALCULATORS ON-LINE CENTER ENGINEERING: ELECTRICAL & COMPUTER: F-H

US/Pacific: Tuesday, May 13, 2008 Sydney, Australia: Wednesday, May 14, 2008 File Download Time Calculator Author, E-Mail, Privacy Policy & Disclaimer Currently the Calculators On-Line Center contains over "23,490" Calculators

Electrical Engineering, Computer Systems Engineering, Cyberinfrastructure Systems & Computer Science Calculators: F-H Fault Tolerant Computing Filter Design ~ Fourier ~ Frequency Management ~ Function Point Harmonics ~ Heat Conduction & Transfer Ham Radio Design, Hi-Fi, Acoustics, Sound, Speaker Design Back to Electrical Engineering, Computer Systems Engineering, Cyberinfrastructure Systems & Computer Science Calculators Center Calculators On-Line Center Home Page

Fault Tolerant Computing FAULT TOLERANT COMPUTING CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FAULT TOLERANT COMPUTING SIMULATOR (JAVA APPLETS) - I. Koren, Department of Electrical and Computer Engineering, College of Engineering, University of Massachusetts VERY VERY VERY...EXTENSIVE. Fault Tolerant Computing Subject Chapters include: "...Error Detection and Correction Codes; Fault Detection in Encryption Algorithms; Reliability Evaluation; Networks; etc..." For more information see Israel Koren's Home Page or the Department of Electrical and Computer Engineering Some examples from over "27" Fault Tolerant Computing Calculators & Applets include The Cyclic Code Simulator: Cyclic Encoder/Decoder Systematic and Standard Cyclic Codes Arithmetic Encoder/Decoder Applet Advanced Encryption Algorithm - Detection: Fault Detection in AES Encoder and Decoder Applet 4-state Markov Chain Solver Calculator Calculation of Terminal Reliability for Two Nodes in a Network Applet Checkpointing Calculators Checkpointing Calculators include Uniprocessor Checkpointing for Multiple Instructions Calculator; Domino Effect Animation for Distributed Checkpointing Calculator.

Filter Design FILTER DESIGN CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS BUTTERWORTH FILTER DESIGN CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS HIGHER ORDER ANALOG BUTTERWORTH FILTER DESIGN CALCULATORS - ApICS LLC VERY VERY EXTENSIVE. Higher Order Analog Butterworth Filter Design Calculators include: "...First Order (6db/octave) Two-Way Crossover Calculator; Second Order (12db/octave) Two-Way Crossover Calculator; Third Order (18db/octave) Two-Way Crossover Calculator; Fourth order (24dB/octave) Two-Way Crossover Calculator; Zobel Circuit (Impedance Stabilization) Calculator..." For more information see ApICS LLC LOW-PASS BUTTERWORTH FILTER DESIGN - Besser Associates VERY EXTENSIVE. Multimedia Low-Pass Butterworth Filter Design Calculator & Teaching Modules (Text & Images). Low-Pass Butterworth Filter Design Calculator input values include: "...Cutoff Frequency; Passband Ripple; Frequency at which the Specified Passband Ripple Occurs; Out of band attenuation; etc..." For more information see Teaching Modules & Calculators or Besser Associates DIGITAL FILTER DESIGN CALCULATORS & APPLETS INTERACTIVE DIGITAL FILTER DESIGN - CALCULATORS - T. Fisher, Department of Computer Science, University of York, Canada Multimedia Infinite Impulse Response (IIR) & Finite Impulse Response (FIR) Design Calculators & ] Teaching Modules (Text & Images). VERY VERY EXTENSIVE. For more information see Tony Fisher's Home Page Some examples from over "5" Infinite Impulse Response (IIR) & Finite Impulse Response (FIR) Filter Design Calculators include Infinite Impulse Response (IRR): Butterworth, Bessel & Chebyshev Filters Design Calculator Butterworth, Bessel & Chebyshev Filters Design Calculator input values include: Filter Type "...Butterworth, Bessel or Chebyshev; Lowpass, Highpass, Bandpass or Bandstop..." If Chebyshev enter ripple in dB; Filter Order; Sample Rate; Corner Frequency/ies; etc. Infinite Impulse Response (IRR): Proportional-Integral Filters Calculator Proportional-Integral Filter Design Calculator input values include: "...Sample Rate; Time Constant; Lower Limit (dB), or blank for Linear Scale; etc..." Finite Impulse Response (IRR): Hilbert Transformers Calculator Hilbert Transformer Design Calculator input values include: "...Sample Rate; Finite-impulse Length Response; Truncate Coefficients; Lower Limit (dB), or blank for Linear Scale; etc..." INTERACTIVE DIGITAL PHASE LOCKED LOOP DESIGN - T. Fisher, Department of Computer Science, University of York, Canada "...an interactive design package for designing digital (i.e. software) phase locked loops (PLLs)..." Digital Phase Locked Loop Design Calculator input values include: "...Sample rate; Centre frequency; Damping factor, Integrator time constant, Natural frequency, Noise bandwidth or Other time constant..." For more information see Soft Modems: Structured Design and Implementation or Tony Fisher's Home Page LOW PASS FILTERING WATER MACHINE CALCULATORS & APPLETS THE LOW PASS FILTERING WATER MACHINE (JAVA APPLET) - Yves Moreau & J. Porque, Centre d'Electronique et de Micro-Optoélectronique de Montpellier, CNRS & the Universite des Sciences Montpellier, Montpellier, France VERY EXTENSIVE. Low Pass Filtering Water Maching Simulation "...is a visual approach showing how an electronic RC low pass filter works..." For more information see Group photonique (Photonics Group) or the Centre d'Electronique et de Micro-Optoélectronique de Montpellier

Fourier FOURIER TRANSFORM CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FOURIER CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FOURIER TRANSFORMS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FFT ALGORITHM CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FAST FOURIER TRANSFORM (FFT) FOR POLYNOMIAL MULTIPLICATION (JAVA APPLET) - Author: J. Beaver & Hosted by K. Pruhs, Department of Computer Science, University of Pittsburgh VERY VERY EXTENSIVE. Fast Fourier Transform for Polynomial Multiplication Calculator "...includes a description of the algorithm, a description of the Roots of Unity, a step feature which allows the user to see what is going on in the algorithm, and a multimedia section..." For more information see Applets; Applet Demonstration; CS 1501; Kirk Pruhs's Home Page or the Department of Computer Science FAST FOURIER TRANSFORM CALCULATOR - J. Clymer, Cincinnati, Ohio VERY EXTENSIVE. Fast Fourier Transform (FFT) Calculator "...performs Fourier Transforms, and DHTML to produce graphs of functions..." For more information see Jeffery Clymer's Home Page FAST FOURIER TRANSFORM (FFT) LABORATORY (JAVA APPLET) - D. Hale, Stanford Exploration Project (SEP), Stanford University For more information see Dave Hale's Home Page or the Stanford Exploration Project (SEP) FOURIER (JAVA APPLET) - R. E. Williamson & S. Schwarz, Dartmouth University VERY EXTENSIVE. Fourier Calculator "...Computes Fourier coefficients of a function,and plots the function and the Fourier approximation of degree at most 20..." For more information see Interactive Math Programs or the Department of Mathematics FOURIER TRANSFORMS (FT) OF A GIVEN POINTSET (JAVA APPLET) - S. Weber VERY EXTENSIVE. Fourier Transform on Periodic Point Sets Calculator "...calculates Fourier transforms (FT) of a given pointset. The pointset is generated by the plane space groups (see Project 22). You may transform all points..." For more information see Java Applets; Steffen Weber's Home Page or JCrystal FOURIER TRANSFORMS (FT) OF QUASIPERDIODIC POINT SETS (JAVA APPLET) - S. Weber VERY EXTENSIVE. For more information see Java Applets; Steffen Weber's Home Page or JCrystal

DISCRETE FOURIER TRANSFORM CALCULATORS & APPLETS DISCRETE FOURIER TRANSFORM: FFT OF "BIT PATTERN" APPLET & FFT OF ARBITRARY FUNCTION APLET - Bert G. Wachsmuth, Department of Mathematics and Computer Science, Seton Hall University VERY VERY EXTENSIVE. Fast Fourier Transform of "Bit Pattern" Calculator "...illustrates what happens when trying to send bits representing a character (coded as the 8-bit ASCI code) though a wire that includes a "low-pass" filter, i.e. frequencies above a certain point are filtered out..." Fast Fourier Transform of Arbitrary Function Calculator "...lets you enter an arbitrary function and decompose it into its Fourier coefficients..." For more information see Java Applets; Bert G. Wachsmuth's Home Page or Department of Mathematics and Computer Science FOURIER-LAPLACE CALCULATORS & APPLETS FOURIER-LAPLACE CALCULATOR - Xiao Gang, Laboratoire J.-A. Dieudonné, Université de Nice, Nice, France VERY EXTENSIVE. Fourier Laplace Calculator "...computes the Fourier transform or Laplace transform of a function, and their inverse transforms..." For more information see WIMS FOURIER TRANSFORM CALCULATORS & APPLETS - IMAGE PROCESSING INTERACTIVE FOURIER TRANSFORM EXPERIMENTATION - IMAGE PROCESSING (JAVA APPLET) - R. Fisher, S. Perkins, A. Walker and E. Wolfart, School of Informatics, University of Edinburgh, Edinburgh, Scotland, U.K. VERY VERY EXTENSIVE. For more information see Interactive Experimentation; HIPR2: Hypertext Image Processing Reference; Robert Fisher's Home Page or the School of Informatics FOURIER SERIES CALCULATORS & APPLETS FOURIER SERIES (JAVA APPLET) - F. Embacher & P. Oberhuemer, Universität Wien, Austria Fourier Series Calculator: "...the user may choose the first 21 coefficients of a Fourier series by means of scroll bars and to look at the graph of the resulting function..." For more information see Applets or Maths Online FOURIER SERIES APPROXIMATION (JAVA APPLET) - Project Director: W.J. Rugh, Department of Electrical and Computer Engineering, Johns Hopkins University Fourier Series Calculator allows you to "...explore the Fourier series approximation, select a labeled signal, use the mouse to sketch one period of a signal, or use the mouse to modify a selected signal. Specify the number of harmonics, N, and..." For more information see the Signals, Systems & Controls or the Department of Electrical and Computer Engineering FOURIER SERIES CALCULATION FOR TYPICAL DIGITAL WAVEFORMS - EE Circle VERY EXTENSIVE. Fourier Series Calculator for Typical Digital Clock Waveforms "...Computes complex Fourier series coefficients (harmonics) of rectangular, triangular or trapezoidal shaped waveform & Plots both the time-domain waveform and the magnitude of the coefficients..." For more information see EE Applets or EE Circle FOURIER SERIES SIMULATION (JAVA APPLET) - P. Falstad VERY EXTENSIVE. Fourier Series Calculator "...is a method of expressing an arbitrary periodic function as a sum of cosine terms. In other words, Fourier series can be used to express a function in terms of the frequencies..." For more information see Math, Physics & Engineering Applets or Paul Falstad's Home Page FOURIER SYNTHESIS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FOURIER SYNTHESIS (JAVA APPLET) - Yves Moreau & J. Porque, Centre d'Electronique et de Micro-Optoélectronique de Montpellier, CNRS & the Universite des Sciences Montpellier, Montpellier, France VERY VERY EXTENSIVE. Fourier Synthesis Calculator "...choose a saturated cosine, a square signal, a rectified cosine or triangle signal (choose curve on top line). Vary the frequency, the amplitude and phase and play it...Then click on add comp to let the computer generate the first component (cosine) of the fourier expansion..." For more information see Group photonique (Photonics Group) or the Centre d'Electronique et de Micro-Optoélectronique de Montpellier FOURIER SYNTHESIS (JAVA APPLET) - M. Thole, Institut für Netzwerktheorie und Schaltungstechnik, Braunschweig, Bundesrepublik Deutschland (Germany) VERY EXTENSIVE. Fourier Synthesis Calculator "...A periodic signal can be described by a Fourier decomposition as a Fourier series, i. e. as a sum of sinusoidal and cosinusoidal oscillations..." For more information see Schaukasten FOURIERSYNTHESE (JAVA APPLET) - M. Thole, Institut für Netzwerktheorie und Schaltungstechnik, Braunschweig, Bundesrepublik Deutschland (Germany) VERY EXTENSIVE. Fourier Synthesis Calculator "...Ein periodisches Signal kann durch eine Fourierzerlegung mathematisch..." For more information see Schaukasten

Frequency Management FREQUENCY MANAGEMENT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS ENGINEERING DESIGN TOOLS FOR FREQUENCY MANAGEMENT - Raltron Electronics Corporation VERY VERY EXTENSIVE. For more information see Raltron Electronics Corporation Some examples from over "10" Frequency Management Calculators include Convert SSB Phase Noise to Jitter Calculator Convert SSB Phase Noise to Jitter Calculator input values include: "...Oscillator Center Frequency; Number of Data Points on Noise Curve..." Network Impedance Matching Calculator Network Impedance Matching Calculator input values include: "...Z1, Z2, Frequency; Loaded Q..." Voltage Divider Calculator Voltage Divider Calculator input values include: "...Input values in 3 of the 4: R1, R2; Output Voltage; Output Voltage..." Crystal Load Sensitivity and Frequency Pulling Form Calculator Crystal Load Sensitivity and Frequency Pulling Form Calculator input values include: "...Calculates the pull of a crystal between 1st and 2nd load and between 2nd and 3rd load..." Function Point FUNCTION POINT CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS FUNCTION POINT CALCULATOR - Department of Computer and Information Science, College of Engineering and Computer Science, University of Michigan-Dearborn VERY EXTENSIVE. Function Point Calculator input values include: Domain Characteristic Table "...Number of User Input; Number of User Outputs; Number of User Inquiries; Number of Files; Number of External Interfaces..." Complexity Adjustment Table "...Does the system require reliable backup and recovery; Are data communications required; Is performance critical; etc..." For more information see CIS 525 Javascript Applications; CIS 525: Multimedia Web Design or the Department of Computer and Information Science ON-LINE FUNCTION POINT CALCULATOR - Software Measurement Laboratory, Institute for Distributed Systems, Otto-von-Guericke-University of Magdeburg, Germany VERY EXTENSIVE. Function Point Calculator input values include: Unadjusted Function Points "...Outputs; Inqueries; Inputs; Files; Interaces..." Processing Complexity Factors "...Data Communications; On-line Update; Distriuted Data; Complex Processing; Performance Opjectives; Code Reusability; Tight Configuration; High Transaction Rate; etc..." For more information see Online Applications or the Software Measurement Laboratory

Harmonics HARMONICS CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS HARMONIC CALCUATOR - Allen-Bradley, Rockwell Automation VERY EXTENSIVE. Harmonic Calculator "...provides a tool for determining how much voltage and current distortion might exist on your distribution system when operating non linear loads. This program is not intended to determine harmonic distortion with single phase loads..." For more information see the Allen-Bradley, Rockwell Automation HARMONICS (SHOCKWAVE) - P. Renault In English & French/Français. Harmonics Simulation "...generates animations showing various standing wave patterns..." For more information see the Physics Applets Menu or Pascal Renault's Home Page HARMONICS CALCUATOR - Microvolt Labs, Inc. Harmonics Calculator "...can be used to calculate, 1st through 15th harmonic of any fundamental frequency..." For more information see the Microvolt Labs, Inc. AM TRANSMITER HARMONICS CALCULATORS & APPLETS ONLINE AM TRANSMITER HARMONICS CALCULATOR - A.D. Kass AM Transmiter Harmonics Calculator input values include: "...Call Letters; Fundamental Frequency of Transmitter..." For more information see Online Broadcast Engineering Related Calculators or Allen's Engineering Home Page

Heat Conduction & Transfer HEAT CONDUCTION CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS HEAT TRANSFER CALCULATORS, APPLETS, ANIMATIONS & SIMULATIONS CONDUCTION APPLET (ALUMINUM, CARBON STEEL, COPPER, NICKEL STEEL, STAINLESS STEEL ETC.) - B. Willson & G. Hutcherson, Engines & Energy Conversion Laboratory (EELC), Department of Mechanical Engingeering, College of Engingeering, Colorado State University Conduction Calculator input values include: Materials "...Aluminum; Carbon Steel; Copper; Cast Iron; Nickel Steel; Stainless Steel; etc..." Thickness; Temperature..." For more information see Internal Combustion Engine Heat Transfer; Engine Web Pages; Bryan D. Willson's Home Page; Department of Mechanical Engingeering or the College of Engingeering HEAT CONDUCTION EXPERIMENT - M. Karweit, Department of Chemical Engineering, Johns Hopkins University Heat Conduction "...Heat flows through thermally conductive materials by a process generally known as 'gradient transport'. Gradient heat transport depends..." For more information see Virtual Engineering HEAT TRANSFER MODELS - CALCULATORS - Microelectronics Heat Transfer Laboratory, Department of Mechanical Engineering, University of Waterloo, Waterloo, Ontario, Canada VERY VERY VERY...EXTENSIVE. For more information see the Microelectronics Heat Transfer Laboratory Some examples from over "20" Heat Transfer Calculators include WEB Based Micro Electronic Thermal Analyzer Micro Electronic Thermal Analyzer input values include: Board Specs "...Board Dimensions; Number of Layers in the Board; Thickness & Conductivity of Layers..." Flow Data "...Ambient Temperature; Air Pressure; Channel Height; Emissivity; etc..." Layout & Analysis; etc. Natural Convection for Annular Heat Sinks Natural Convection for Annular Heat Sinks Calculator input values include: "...Fin Shape; Solve for (Source Temperature or Heat Flow); Maximum Outer Dimensions; Inner Diamter; Ambient Temperature; Fin Thickness; Fin Spacing; etc..." Natural Convection for Rectangular Heat Sinks Natural Convection for Rectangular Heat Sinks Calculator input values include: "...Solve for (Source Temperature or Heat Flow); Maximum Outer Dimensions; Baseplate Thickness; Fin Length; Number of Fins; Fin Spacing; etc..." Spreading Resistance of Isoflux Rectangles and Strips on Compound Flux Channels Eamples from "10" Spreading Resistance of Isoflux Rectangles and Strips on Compound Flux Channels Calculators include: "...Finite Compound Channel with Rectangular Heat Source Calculator; Finite Isotropic Channel with Rectangular Heat Source Calculator; Semi-Infinite Isotropic Channel with Strip Heat Source Calculator; etc..." SPREADSHEETS FOR HEAT TRANSFER (SPREADSHEETS OPEN ONLINE WITH EXCEL, iWORK-NUMBERS, IBM LOTUS SYMPHONY, NEOOFFICE, OPENOFFICE CALC, ETC.) - R.J. Ribando, Department of Mechanical and Aerospace Engineering, School of Engineering & Applied Science, University of Virginia VERY VERY VERY...EXTENSIVE. Examples from over "20" Heat Transfer Spreadsheets include: Two-Dimensional, Steady-State Conduction Calculator "...evaluates the analytical solution for steady-state conduction in a unit square with one boundary held at a different temperature than the other three and..." Planck's Law Calculator "...computes and displays the spectral blackbody emissive power for a number of source temperatures..." Radiation View Factors Calculators include: "...Perpendicular Plates Calculator; Coaxial Disks Calculator; Coaxial Cylinders Calculator; Parallel Rectangles Calculator..." Solution of Blasius Equation Calculator "...performs a numerical solution of the Blasius equation for flow in a laminar, self-similar, flat plate boundary layer. The Runge-Kutta integration scheme and shooting algorithm..." Internal-Flow Convection Correlations Calculator "...computes the Nusselt number for forced convection in a circular pipe as a function of the Reynolds (based on diameter) and Prandtl numbers..." One-Dimensional Compressible Flows Calculator "...includes worksheets for: (1) Isentropic flow with area change, (2) Normal shock functions, (3) Flow with friction (Fanno Line), and (4) Flow with heat addition (Rayleigh Line)..." For more information see Heat Transfer Tools: Educational Software for Heat and Mass Transfer; Robert J. Ribando's Home Page; Department of Mechanical and Aerospace Engineering or the School of Engineering & Applied Science THERMAL CALCULATORS (THERMAL RESISTANCE, HEAT CONDUCTION, FIN EFFICIENCY, ETC.) - Novel Concepts, Inc., Las Vegas, NV VERY VERY EXTENSIVE. For more information see Novel Concepts Some examples from over "8" Thermal Calculators include Cylinder Thermal Resistance Calculator Cylinder Thermal Resistance Calculator input values include: "...Radius; Height; Thermal Conductivity..." Slab Mass Thermal Resistance Calculator Slab Mass Thermal Resistance Calculator input values include: "...Width; Length; Height; Density; Specific Heat..." Pin Fin Efficiency Calculator Pin Fin Efficiency Calculator input values include: "...Radius; Height; Thermal Conductivity; Film Coefficient..." UNSTEADY STATE HEAT CONDUCTION APPLETS & EXCEL SPREADSHEET CALCULATORS (SPREADSHEETS OPEN ONLINE WITH EXCEL, iWORK-NUMBERS, IBM LOTUS SYMPHONY, NEOOFFICE, OPENOFFICE CALC, ETC.) - Andrey Solomin, Katholieke Universiteit Leuven, Belgium VERY VERY EXTENSIVE. For more information see Fysische transportverschijnselen (1106) & Fysische transport verschijnselen (1125) or Course Web Pages Some examples of Unsteady State Heat Conduction Calculators include Transient Conduction in Semi-Infinite Solid Transient Conduction in Semi-Infinite Solid Calculator input values include: "...TF; TI; Conductivity; Density; Specific Heat; Fluid Conversion Coefficient; Duration; Step Duration; Maximum Coordinate; etc..." Transient Conduction in an Infinite Plane Wall Transient Conduction in an Infinite Plane Wall Calculator input values include: "...TF; TI; Conductivity; Density; Specific Heat; Fluid Conversion Coefficient; Duration; Step Duration; Wall Width; etc..."

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