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zeeglen
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Re: Kids, Pets and senior citizen
zeeglen   1/22/2014 10:32:24 AM
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This idea reeks of yet another marketeering case of "I smell dollars".

blommep
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Re: Jaywalking
blommep   1/22/2014 5:40:52 AM
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As both the side lines and middle line are white, this points to the picture corresponding to another country than the USA.

For example in France, it's only jaywalking if the pedestrians cross within less than 50m of a marked crossing; if not, the drivers have to yield to the pedestrians...

Susan Rambo
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Re: Kids, Pets and senior citizen
Susan Rambo   1/21/2014 11:54:42 PM
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Yes, the story on EE Times Europe says "To detect an approaching pedestrian, the driver needs to be warned or the emergency brake has to be triggered even before the pedestrian steps onto the roadway. At the same time, the likelihood of an unnecessary full braking must be kept extremely low to allow car drivers to find the system reliable enough to use it."  A good test would be tagging deer with transponders and seeing if the system is fast enough to brake the car before a deer collides with it, without causing problems for the car and other cars around it. The only thing -- isn't it better defensive driving to just hit the deer than try to brake at the last second? (Not an option with pedestrians, but they hopefully aren't moving as fast as a deer might be.) The system is probably completely useless when the car goes beyond a certain speed.

daleste
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Jaywalking
daleste   1/21/2014 11:05:21 PM
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The picture shown is an obvious jaywalking situation.  The pedestrians are at fault.  Of course, if we can increase safety by adding functionality to the vehicles, we can save these law breaking pedestrians.  It's a good idea, but the pedestrians should pay for the upgrade instead of the driver.

_hm
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Kids, Pets and senior citizen
_hm   1/21/2014 7:46:48 PM
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Senior citizen, kids and pets generally may not have transopnder. And they are the weakest link. Needs better solution.

 

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As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

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