Archive For September, 2006

3 articles

Software Defined Radio for the Common Man

Software Defined Radio.  The term doesn't mean much to the average person.  But to certain security and defense industry types, the word brings a gleam to their eyes:  to them it means multiple levels of security, the ability to share and protect data, and the ability to change the encodings and waveforms that implement their protocols - on the fly. …

Mars Rovers: Extended Mission

Hello All, every once in a while you get to hear something about a project you've worked on.  Sometimes it's good, sometimes it's not so good.  Sometimes it's good enough to give you energy to work through the 20th hour... I'm extremely proud and happy to share the attached news.  Our kids on Mars have been given another year of…

Tracking Down Floating Point Corruption

Recently a long-time customer of mine emailed me with a question.  They were having anomalies when computing floating point values.  Specifically, hardware would be read - values would be processed into a float, and that value was then used as a metric. Every now and then the metric would be off - it would jump by several orders of magnitude. …