Software Listing: Amplitude

This script simulates the Binary Amplitude Shift keying. Since BASK is a digital modulation scheme, you can modulate as many bits as you want. however, I have only simulated it for 5 bits, so that the results are visible. This is code for BASK only, means it can only modulated two digital states. I hope this will help out students and instructors alike..

  • Platform: Matlab, Scripts

Quadrature Amplitude Modulation (QAM) is demonstrated in matlab using graphical user interface. To use it open QAM figure file.

  • Platform: Matlab, Scripts

Double Sideband Amplitude Modulation is a basic technique http://en.wikipedia.org/wiki/Amplitude_modulation#Example:_double-sideband_AM ://http://en.wikipedia.org/wiki/Amplit...le-sideband_AM.

  • Platform: Matlab, Scripts

This program constitutes of very basic amplitude modulation and demodulation implementation for beginners. Comments have been made..

  • Platform: Matlab, Scripts

Takes 2 stereo inputs and imposes the amplitude envelope of the first one on the second one. Also has a Threshold level for the second input, so that when the signal falls below it, it is amplified up to the threshold, to give a greater signal to be amplitude modulated. You'll need a relatively flexible host (i.e. one that allows you to have 4 inputs and 2 outputs for an effect)..

  • Platform: Win2000, WinOther

Amplitude is a servlet-based web application that allows youto browse and play mp3's. It can be used in conjunctionwith lame to re-encode mp3 files on the fly. Thisallows http streaming of mp3's over low bandwithconnections such as upstream DSL.

  • Platform: Linux, Mac OS X, WinOther

The codes in two files generate time and frequency domain representation of three basic types of amplitude modulation i>Double SideBand Amplitude Modulation (Full Carrier) (DSBAM) ii>Double SideBand Suppressed Carrier (DSBSC) iii>Single SideBand (SSB) The message signals used are combination of sinusoids of different frequency. Most authors use single tone modulation so give the initial concepts, but rarely do any one of them go beyond than. I believe the multi tone modulation representation will help in visualizing how AM will work in case of voice modulation, which certainly is composed of number of harmonics.

  • Platform: Matlab, Scripts

This model is an 8-ary modulator/demodulator based on Pulse Amplitude Modulation (PAM). You can change the Eb/N0 parameter in the "AWGN Channel" block to see the effect of the channel noise on the demodulated signal while the simulation is running. The input is a sinusoid with a frequency of 1 Hz..

  • Platform: Matlab, Scripts

This block generates a pulsed signal with assigned amplitude and variable frequency. You must connect the input to sinusoidal signal generator. The block provide convert the sinusoidal signal to quadratic output with amplitude and frequency variable..

  • Publisher: Riccardo
  • Date: 19-01-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

This Demo gives the user sufficient freedom to vary the values of modulating and carrier signal amplitude and frequency. Accordingly it displays the time domain waveforms of both the signals. i.e. modulating and carrier signal. It also provides means of evaluating AM Envelope and the corresponding Demodulated output..

  • Platform: Matlab, Scripts

Computing the main parameters of a Water wave, using the small amplitude wave theory. Inputs: d = water deep (m) H = wave height (m) T = wave period (s) z = depth below the SWL (m) anitime = time animation (s) Outputs: k = wave number sigma = Frecuency L = wave length C = wave phase velocity Cg = wave group velocity Energy = energy density Energy_flux = energy flux Sxx = Radiation stress (onshore) Syy = Radiation stress (longshore) steepness = wave steepness ursell = Ursell parameter eta = wave profile u, w = water particle velocity ax, az = water particle accelerations tseta, epsilon = water particle displacements p = subsurface pressure Syntax: Airy(h,H,T,z,anitime) Notes: none.

  • Platform: Matlab, Scripts
  • QAM
  • License: Shareware
  • Rating

QAM (Quadrature Amplitude Modulation). Its an AM technique of sending more data on same frequency by taking orthogonal carrier. Its simply done in this code..

  • Platform: Matlab, Scripts

Digital Amplitude Optimum (BOD) for discontinuous control [bod.m, bod_gen.m] Finite Time Settling control (EEZ) [eez.m] z-transform including variations of coupling and measuring[trans.m] Cascade control (max. 3 loops, variations of EEZ and BOD)[kaskade.m] Quality criteria (single criterion, integral criteria) [guete.m] State control structure with BOD optimization - examples [zust_au.m, zust_aug.m, ...] Controller parameter conversion (Laplace <---> z-domain) [urlaz.m] Special features: optionally LTI syntax, optionally menu driven, demos; mixed pole compensation versions, optionally damped derivative part; undelayed and delayed input signals for optimization; z-transform optionally with mean value measuring; different quasi-continuous conversions; two versions regarding fsolve calling (bod/bod_2 resp.

  • Platform: Matlab, Scripts
  • trempeak
  • License: Freeware
  • Price: 0.00
  • Rating

An M-File for automated tremor analysis which returns the amplitude and frequency of tremor recorded with Polhemus Fastrak. Relies on functions within the Signal Processing and HOSA toolboxes..

  • Platform: Matlab, Scripts

This matlab program can be used to get the Amplitude Modulated signal. Here the message signal is a multitone signal.User can change the amplitude and the frequency of the signal by changing Am1, Am2, fm1, fm2 and can get the desired modulated signal..

  • Publisher: Afsana
  • Date: 06-06-2013
  • Size: 10 KB
  • Platform: Matlab, Scripts

This routine was meant to be used as a tool to represent the a complex electric field in a plane (with phase and amplitude) Usage: PHPLOT(FIELD) Plots the phase of a 2D complex array (FIELD) in a continuous color scale (hue) and represents the normalized amplitude as brightness (r+g+b)*amplitude. PHPLOT(FIELD,AMP,FLAG) If AMP = 0 the amplitude is not plotted If FLAG = 1 the function creates a figure with a dial scale (from 0 to 2*pi) and radial brightness (from 0 to one) A=PHPLOT(...) creates a 3D uint8 array that can be saved as an image with the syntax IMWRITE(A,'filename','fmt'). Example: [x,y]=meshgrid(-3*pi:0.

  • Platform: Matlab, Scripts
  • Voxynth
  • License: Shareware
  • Price: 49
  • Rating

Voxynth is a synthesizer (VSTi), which can be used to create vocal sounds or synthetic choirs. In addition, the MIDI synth has a stereo delay and comes with 64 factory patches and a manual (Adobe Acrobat). Voxynth has 3 oscillators per voice, pitch modulation, an amplitude envelope and a multimode formant filter, which can be modulated by an envelope or using Voxynths Performance Keys..

  • Publisher: MHC
  • Date: 20-11-2002
  • Size: 2928 KB
  • Platform: WinOther

Real time oscilloscope and spectrum analyzer with sophisticated triggering Virtins Sound Card Spectrum Analyzer is a powerful PC based virtual instrument. It consists of a sound card real time oscilloscope and a sound card real time spectrum analyzer and can run them concurrently.Unlike most of the sound card oscilloscopes in the market which search trigger event after data collection, it features a specially designed data acquisition approach which is able to monitor the input signal continuously without missing any trigger event before the frame of data is collected.As a result, Virtins Sound Card Spectrum Analyzer boasts a very fast screen refresh rate (typically 50 frame per second) and thus a truly real time response.

  • Publisher: virtins.com
  • Date: 23-6-2009
  • Size: 26316 KB
  • Platform: WinOther

FlashAmp Lite creates audio amplitude, spectrum and cue point data. FlashAmp Lite is a stand-alone application that produces arrays of audio data specifically for use with Macromedia Flash.With some simple Actionscript you can use FlashAmp Lite data to synchronize animations (or anything else) with sound.And with FlashAmp Lite you can achieve lip sync for animated characters in Flash in seconds! FlashAmp Lite creates audio spectrum, amplitude and cue point data. Here are some key features of "FlashAmp LiteFlashAmp Lite":A completely revised user interface that concentrates all the major settings in a single window so you can easily see all settings and controlsA new Preview window including an animated 'eq' display for spectrum data and waveform displays for amplitude data (FlashAmp Pro only)Simultaneous processing of...

  • Platform:

The Flex FX AU plugin package contains 6 different effect plugins, the Amplitude Modulator, the Chaotic Lowpass Filter, the Chaotic Highpass Filter, the Ensemble effect, the Stereo Feedback Delay and the Fat Resonator. Each effect can be used as an insert or send effect. All, except the Ensemble, have their own dedicated LFO (Low Frequency Oscillator), which can modulate the effect. The LFO can be synchronized with your host (sequencer), provided that it supports sync. The bundle inludes 15 other plugins..

  • Publisher: MHC
  • Date: 17-01-2011
  • Size: 1419 KB
  • Platform: Mac OS X

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