As frequently as possible, a new topic of interest will be presented here. Open discussion on the topic is solicited so as to advance the knowledge of the domain to the fullest. Readers are also welcome to submit their thoughts and ideas in any areas related to wireless and digital communications. These thoughts and ideas will be reviewed by expert friends of this website. Successful submission will be typeset and published here.

Synopsis:

The concept of a reversed time impulse response filter is inherent in the matched filter analysis. However, becasue the call for a time reversal would suggest a noncausal event, most modem design would simply ignore this consequence, and put in a conventional filter. This paper discusses the reason for the time reversal requirements and suggests a source where such a filter can be realized physically.

Past month's archive contains brief description of the files listed below. It is nice to know what the files are all about before downloading.:

-impulse paper (August 1999)

-pi4qpskeye.mcd (July 1999)

-microwaveoven.mcd (July 1999)

-microwaveoven paper (July 1999)

-phasenoise.mcd +p970626.prn (June 1999)

-phasenoise paper (June 1999)

-gmskpt90.mcd (June 1999)

-BPSKeye.mcd (June 1999)

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