Embedded Systems Programming, July 1996


Vol. 9 No. 7, July 1996

Table of Contents


FEATURES

Multiresolution Signal Analysis and Wavelet Decomposition
by Don Morgan
Wavelets provide new capabilities for analyzing real-time signals. This introductory article provides an overview and presents the basic mechanisms involved in wavelets.

Object-Oriented Abstraction through Polymorphism and Virtual Functions
by Brad Hunting
To get the most from object-oriented programming, you must conquer virtual functions and polymorphism. This article illustrates the aspects of polymorphism supporting hardware and software decoupling.

Using Flash Memory to Diagnose System Bugs
by Bill Grundmann
Flash memories are permanent and can be written and read with minimal software overhead, because logging error information to flash can aid the debug process without seriously affecting cost or design time.

COLUMNS + DEPARTMENTS

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Stalking the Invisible Computer
by Lindsey Vereen
Ubiquitous computing will make PCs and workstations the truly invisible computers. They will wither away.

Parity Bit
Code Coddling

Programmer's Toolbox
Filters-Chebyshev It
by Jack W. Crenshaw
We may decide that this ripple in the passband is a reasonable price for the sharper knee at the cutoff frequency.

Embedded Gallery

Embedded Marketplace

Break Points
Guardian Angels
by Jack G. Ganssle
No doubt my guardian angel is a Unix guru, working full time just to keep my black marks from crashing all of heaven's database engines.

State of the Art
Too Much of a Good Thing
by P.J. Plauger
Only the die-hard afficionadoes tolerate the overheads in the interest of using the latest and greatest technology.

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