Ken Javor wrote:
My way of thinking about this problem and others like it is to reduce it
to the simplest possible problem, and then look at the general case as a
linear extrapolation. In this case I look at the interaction of the direct
and single bounced ray during a site attenuation
...@emccompliance.com, ieee pstc list
emc-p...@ieee.org
Subject: Re: pulse modulation in reverb chambers
Ken Javor wrote:
My thinking is just the opposite. The duration of the pulse should be
long
relative to the time it takes to travel from transmit to receive antennas.
Then there is no smearing
Ken Javor wrote:
My thinking is just the opposite. The duration of the pulse should be
long
relative to the time it takes to travel from transmit to receive antennas.
Then there is no smearing
It seems to me that you may be overlooking the effect of the reflected wave
on a received pulse's
to the
field. Do you?
From: drcuthb...@micron.com
Reply-To: drcuthb...@micron.com
Date: Tue, 29 Jul 2003 09:49:12 -0600
To: j...@jmwa.demon.co.uk, emc-p...@majordomo.ieee.org
Subject: RE: pulse modulation in reverb chambers
Ken,
do you mean you pulse an antenna with a square wave
modulation in reverb chambers
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb49768d.3717%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sun, 27 Jul 2003:
So if I am worried whether the 1 us pulse width can be sustained, and I
don't know how
list
Subject: Re: pulse modulation in reverb chambers
That mostly makes sense, except I'm not sure about this part:
I'd expect a pulse to excite many modes within a chamber as long as either
its length or its transition times are shorter than the time it takes a wave
to travel across the chamber
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb49ae98.374a%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sun, 27 Jul 2003:
Sorry, but I don't understand the physics here. Could you please
explain how a 10 us delay could add 0.01 us to a
...@jmwa.demon.co.uk
Date: Sun, 27 Jul 2003 07:36:15 +0100
To: emc-p...@majordomo.ieee.org
Subject: Re: pulse modulation in reverb chambers
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb48596e.36a1%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb48596e.36a1%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sat, 26 Jul 2003:
What is the limitation on minimum pulse width in reverberation chambers?
I expect it relates to room size, but
...@majordomo.ieee.org
Subject: Re: pulse modulation in reverb chambers
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb4987fa.372a%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sun, 27 Jul 2003:
As long as
those delays are much shorter than 1 us
.
From: Cortland Richmond 72146@compuserve.com
Date: Sun, 27 Jul 2003 16:44:20 -0400
To: Ken Javor ken.ja...@emccompliance.com, ieee pstc list
emc-p...@ieee.org
Subject: Re: pulse modulation in reverb chambers
Ken,
A recent article on reverberant chambers mentions a Q of 83,000 or so
Ken,
A recent article on reverberant chambers mentions a Q of 83,000 or so. I'd
expect a pulse to excite many modes within a chamber as long as either its
length or its transition times are shorter than the time it takes a wave to
travel across the chamber and back. That'll smear the pulse. On
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb4987fa.372a%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sun, 27 Jul 2003:
As long as
those delays are much shorter than 1 us (path difference much less than
300 meters), the original
Reply-To: John Woodgate j...@jmwa.demon.co.uk
Date: Sun, 27 Jul 2003 18:52:33 +0100
To: emc-p...@majordomo.ieee.org
Subject: Re: pulse modulation in reverb chambers
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb49768d.3717%ken.ja...@emccompliance.com) about 'pulse
I read in !emc-pstc that Ken Javor ken.ja...@emccompliance.com wrote
(in bb49768d.3717%ken.ja...@emccompliance.com) about 'pulse modulation
in reverb chambers' on Sun, 27 Jul 2003:
So if I am worried whether the 1 us pulse width can be sustained, and I
don't know how to determine it
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