32bitmicro

1. Fixed-point math in C

Fixed-point math in C "Floating-point arithmetic can be expensive if you're using an integer-only processor. But floating-point values cun be manipulated as integers, asa less expensive alternative." Read more web page link

Thursday, 14 January 2010 | 310 hits | Print |  E-mail | Report | Read more

2. Polyphase filters reduce saturation

Polyphase filters reduce saturation "Digital signal processing is ubiquitous in modern electronic systems, from MP3 players to digital cameras to wireless handsets. One of the mainstays of a DSP designer's tool box is the FIR...

Monday, 22 March 2010 | 237 hits | Print |  E-mail | Report | Read more

3. Using Zoom FFT for spectral analysis

Using Zoom FFT for spectral analysis "The Zoom FFT is interesting because it blends complex down conversion, lowpass filtering, and sample rate change through decimation in a spectrum analysis application. The Zoom FFT method of spectrum analysis...

Sunday, 27 February 2011 | 255 hits | Print |  E-mail | Report | Read more

4. Kalman Filtering

Kalman Filtering PDF document link "Originally developed for use in spacecraft navigation, the Kalman filter turns out to be useful for many applications. It is mainly used to estimate system states that can only be observed indirectly or...

Monday, 04 April 2011 | 102 hits | Print |  E-mail | Report | Read more

5. Dealing with the minutiae of fingerprint analysis

Dealing with the minutiae of fingerprint analysis "Many biometric characteristics are used to verify identity, including hand and face geometry, retinal scans, voice recognition, and fingerprint analysis. Because no two fingerprints have ever been...

Wednesday, 13 April 2011 | 142 hits | Print |  E-mail | Report | Read more

6. Intel® Advanced Vector Extensions: Next-Generation Vector Processing

Intel® Advanced Vector Extensions: Next-Generation Vector Processing "High-performance vector processing is a key requirement for signal-processing applications such as radar detection, video analytics, medical imaging, and media processing....

Friday, 22 April 2011 | 283 hits | Print |  E-mail | Report | Read more

7. Novel harmonic analysis method for smart metering

Novel harmonic analysis method for smart metering "With wider deployments of smart metering, smart grids and distributed generation, power quality monitoring has become of great importance. Harmonic analysis of current and voltage signals allows...

Saturday, 18 June 2011 | 160 hits | Print |  E-mail | Report | Read more

8. Quiet down out there!

Quiet down out there! "Understand how to cut down on the noise in your system, using the math behind the Kalman filter. If you know something about the dynamics of the system, you can make a better estimate of what it's doing now and what it's...

Thursday, 26 April 2012 | 14 hits | Print |  E-mail | Report | Read more