Improve DSP performance with on-chip FFT
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2009-10-09 |
| This article mainly focuses on how having an on-chip filter/FFT engine can significantly help offload work from the DSP core resulting into MIPS savings, enabling more MIPS to be used to accommodate further post processing or to execute a different task |
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| Spectral analysis and modulation: The DFT and FFT
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2008-02-21 |
| This article explains the Discrete Fourier Transform (DFT) and its Fast Fourier Transform (FFT) implementation |
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| Improve DSP performance with on-chip FFT
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2009-10-12 |
| This article mainly focuses on how having an on-chip filter/FFT engine can significantly help offload work from the DSP core resulting into MIPS savings, enabling more MIPS to be used to accommodate further post processing or to execute a different task |
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| Develop FFT apps on low-power microcontrollers
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2005-10-03 |
| The Fast Fourier Transform (FFT) is a mainstay of embedded systems and signal processing. Usually the domain of expensive DSP chips, this article shows how to do FFTs on simple microcontrollers |
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| Consider FFT module reuse in OFDM modulation
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2008-09-24 |
| This document discusses how to implement CP insertion and removal for OFDM modulation and demodulation. |
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| Oscilloscope simplifies vibration analysis
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2002-11-01 |
| Sigma Design claims to have found a cost-effective tool, the digitizing oscilloscope with FFT, that enables to conduct preliminary vibration analysis in emerging designs |
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| Blazing with the Goertzel algorithm technique
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2003-07-16 |
| Most engineers are familiar with the FFT and would have little trouble using a |
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| Implementing OFDM modulation for wireless communications
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2008-02-05 |
| High FFT throughput is essential in broadband systems especially when FFT is shared between multiple data paths |
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| A DSP algorithm for frequency analysis
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2004-02-01 |
| The Chirp-Z Transform (CZT), a little-known spectrum analysis algorithm, offers engineers a high-resolution FFT combined with the ability to specify bandwidth. Here's a look at how CZT works and what it has to offer |
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| Doing Hartley smartly
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2000-09-03 |
| Think the fast Fourier transform is fast enough? Think again. Meet the fast Hartley transform. |
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| The Goertzel Algorithm
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2002-09-02 |
| The Goertzel algorithm can perform tone detection using much less CPU horsepower than the Fast Fourier Transform, but many engineers have never heard of it. This article attempts to change that. |
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| Hit performance goals with configurable processors
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2006-10-17 |
| With mainstream DSPs, code must be hand-tuned using assembly code in order to meet performance goals. A more productive approach would be to tailor the processor to the algorithm. |
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| Implementing Goertzel algorithm on DSPs
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2010-03-15 |
| This article briefly discusses the Goertzel algorithm flow and its fixed-point implementation on the Analog Devices Blackfin BF5xx processor family using the Blackfin's special arithmetic modes. |
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| Radar fundamentals (Part 5)
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2011-09-19 |
| Learn how to use FPGAs to achieve higher performance in Synthetic Aperture Radars. |
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| Translating MATLAB-to-C, Part 2: Complex functions, C interfaces
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2009-03-06 |
| Know the complex functions and the role C interface constraints play in the translation process. |
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| How to achieve full multi-core design functionality
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2011-09-13 |
| Know the elements designed to provide devices the capabilities for advanced communications infrastructure apps such as media servers & wireless base band. |
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| Real-time bandwidth, overlap processing
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2008-09-18 |
| Here's what you need to know about real-time bandwidth and overlap processing. |
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| ADSL technology explained: The Physical Layer
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2001-05-08 |
| ADSL technology explained: The Physical Layer |
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| Save time in measurements using low-cost oscilloscopes
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2009-08-12 |
| Here are tips in performing time-saving measurements for basic, low-cost oscilloscopes. |
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| Tech advancements lead to improved OCT imaging apps
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2011-06-28 |
| Here's a look at the progress of optical coherence tomography and its wide range of applications. |
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| Handling the challenges of interleaving high-speed ADCs
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2009-11-19 |
| Synchronously sampling analogue signals with time-interleaved ADCs at billions of times per second is a technical challenge. Overcome the hurdles and know the advancements in interleaving methodologies. |
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| Radar fundamentals (Part 2)
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2011-09-07 |
| Here's a discussion on Doppler radar processing, which enables radar systems to discriminate in target velocity, as well as range and angle of the target. |
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| Embedding HPC: Making super-computing happen
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2011-12-15 |
| Here are a few recent advances in high performance computing for embedded systems. |
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| A primer on power line communication
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2012-01-02 |
| In this overview of power line communication, we discuss its segments, applications, and challenges. |
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| An introduction to Adaptive Cruise Control (ACC) (2)
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2008-10-23 |
| This second instalment on Adaptive Cruise Control looks at hardware, software and radar functionality—including handling multiple radar reflections and "ghosts." |
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| Basics of ADCs and DACs
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2007-07-19 |
| Understand the concept of sampling and Nyquist's sampling criteria, and learn how to use undersampling and anti-aliasing filters. |
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| How MCUs can extend ADC resolution/accuracy
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2010-03-26 |
| When considering the resolution required for an ADC integrated in an MCU, embedded systems designers must balance cost and performance. |
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| Six basic audio measurements
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2007-11-14 |
| Understanding the principals of six basic audio measurement approaches will provide an excellent framework for working with faster and more informative measurement techniques. |
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| Basic audio measurement guidelines
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2008-06-16 |
| Different audio devices require various types of testing. A device and a signal path are chosen as an example for testing level, frequency response, total harmonic distortion plus noise (THD+N), phase, cross talk and SNR. |
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| Choosing system design methodologies: Part 2
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2010-03-31 |
| This article looks at the requirements analysis, which captures informal descriptions of what a system, and techniques for more formally specifying system functionality, and how to turn such specifications into an architecture design. |
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Strange modes of transport and other "stuff"
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