fft - Procesado de señal

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http://e2e.ti.com/support/dsp/c5000/f/109/t/151502.aspx

Directory of RF & microwave resources for designers of digital wireless communication systems. Includes tutorials, theory, circuit design, products, software, books, book reviews, and more.

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http://www.newwaveinstruments.com/resources/rf_microwave_resources/sections/digital_signal_processing_dsp_tutorial_software.htm#Directory

TechOnline is a leading source for reliable tech papers. View the Expand FFT Capabilities to Non-power of Two Length Data Sequences abstract for details on the Expand FFT Capabilities to Non-power of Two Length Data Sequences tech paper.

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http://www.techonline.com/electrical-engineers/education-training/tech-papers/4410025/Expand-FFT-Capabilities-to-Non-power-of-Two-Length-Data-Sequences

Real-Time Audio Spectrum Analyzer

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http://www.spectraplus.com

The ADIS16227 iSensor® is a complete vibration sensing system that combines wide bandwidth, triaxial acceleration sensing with advanced time domain and frequency domain signal processing. Time domain signal processing includes a programmable decimation filter and selectable windowing function. Frequency domain processing includes a 512 point, real-valued FFT for each.......

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https://www.analog.com/ADIS16227

There are two code snippets associated with this blog post: Flat-Top Windowing Function for the Accurate Measurement of a Sinusoid's Peak Amplitude Based on FFT Data and Testing the Flat-Top Windowing Function This blog discusses an accurate method of estimating time-domain sinewave peak amplitudes based on fast Fourier transform (FFT) data. Such an operation sounds simple, but. . . There are two code snippets associated with this blog post: Flat-Top Windowing Function for the Accurate Meas.......

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https://www.dsprelated.com/showarticle/155.php

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http://www.blackcatsystems.com/software/multimode.html

Transformada rápida de Fourier - C#

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https://www.todopic.com.ar/foros/?topic=28196.0

There are two code snippets associated with this blog post: Flat-Top Windowing Function for the Accurate Measurement of a Sinusoid's Peak Amplitude Based on FFT Data and Testing the Flat-Top Windowing Function This blog discusses an accurate method of estimating time-domain sinewave peak amplitudes based on fast Fourier transform (FFT) data. Such an operation sounds simple, but... There are two code snippets associated with this blog post: Flat-Top Windowing Function for the Accurate Measur.......

http://www.dsprelated.com/showarticle/155.php

A Psychedelic light organ of 80sPsychedelic light organ of 80s style, developed with an Arduino and a FFT library for the analysis of the signal obtained by an analog input. The project uses a microphone to get the signal, which is then adapted to the analog input of the Arduino. Also included is a power amplifier based on triacs and optocouplers. Link [Cool Arduino] A Psychedelic light organ of 80sPsychedelic light organ of 80s style, developed with an Arduino and a FFT library for the analysis.......

https://arduino-projects-cool.blogspot.com/2012/12/arduino-light-organ.html

Volume Fifty-Seven NEWS BRIEF IN-DEPTH ARTICLES Protecting the R&D Investment--Two-Way Authentication and Secure Soft-Feature Settings Developing FFT Applications with Low-Power Microcontrollers 2 3 9 14 DESIGN SHOWCASE Precision Circuit Monitors Negative Supply Current |X(k)| VIN ADC x(n) LOW-POWER MICROCONTROLLER DFT{x(N)} = X(k) |X(k)| (1) x[0] x[4] x[2] x[6] x[1] x[5] x[3] x[7] 0 0 0 2 0 0 0 0 2 1 2 3 x[0] [..].......

http://pdfserv.maximintegrated.com/en/ej/EJ57.pdf

MT-013 TUTORIAL Evaluating High Speed DAC Performance by Walt Kester INTRODUCTION Unlike an ADC which requires an FFT processor to evaluate spectral purity, a DAC produces an analog output which can be examined directly using a traditional analog spectrum analyzer. A challenge in DAC evaluation is generating the digital input that can range from a single-tone sinewave [..].......

https://www.analog.com/media/en/training-seminars/tutorials/MT-013.pdf

Basado en comentarios y sugerencias que he recibido por parte de ustedes, en esta ocasión decidí escribir una tutorial introductorio de LabVIEW, un software de National Instruments. Voy a dividir el tutorial en varias partes para poder ir explicando las distintas características con cierto nivel de detalle. LabVIEW es una herramienta bastante poderosa para ingenieros y científicos y además se puede integrar con Multisim para diseño y validación de circuitos. LabVIEW es un ambiente de prog.......

https://blogmultisim.blogspot.com/2011/06/tutorial-introductorio-de-labview-parte.html

Órgano de luces con ArduinoGracias a un pequeño micrófono, la placa Arduino procesa el sonido y mediante un algoritmo de FFT, es capaz de separar las distintas bandas presentes. Con ello controla tres canales de luces, haciendo que estas 'bailen' al ritmo de la música. El circuito es sencillo.......

https://proyectos-sobre-arduino.blogspot.com/2014/05/organo-de-luces-con-arduino.html

This is a short follow up to a previous post 'Algorithmic Music On Arduino'https://rcarduino.blogspot.com/2012/09/algorithmic-music-on-arduino. htmlThe music generation algorithms take advantage of the repeating structure within binary numbers, an obvious development is a visualizer that would reveal some of the structure within the music. This quick project uses the value of the algorithm output to drive the sound and visuals directly. The visualizer is simply a scrolling buffer of the 8 most r.......

https://rcarduino.blogspot.com/2012/10/algorithmic-music-visualizer.html