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"J. Harvey" wrote in message om... Cecil Moore ...Standing waves don't stand still... http://einstein.byu.edu/~masong/HTMs...newave2EX.html Good grief ! Semantic nonsense. Ref. webpage (URL above): 1) Red wave moving (has direction: right). 2) Green wave moving (has another direction: left). 3) Black wave is (by any reasonable definition) NOT MOVING. Neither left nor right. It has no direction. It IS standing still. YOU WILL NOTE THAT THE WEBPAGE EVEN HAS TWO ARROWS AT THE TOP INDICATING THE DIRECTIONS FOR THE TWO WAVES THAT ARE NOT STANDING STILL - THE RED AND GREEN WAVES. IT DOESN'T HAVE A THIRD ARROW FOR THE BLACK STANDING WAVE. Of course, the black wave is still 'AC' (a pointlessly obvious point). It might be worth pointing out this 'duh!-obvious' up-and-down motion of the black standing wave to eager RF newbies, but it is not worth making an argument. Cecil, your point is pure, unadulterated semantic nonsense. lets have more fun... the 'standing wave' isn't really a wave at all. it doesn't move, it doesn't transfer energy, it really doesn't do anything except sit there.... and part of the time it doesn't even exist, being zero at all points along the line at the same time when the two traveling waves cancel each other. so i propose that the term 'standing wave' is a complete misnomer and in fact is probably an oxymoron and should be abolished, along with the term 'standing wave ratio' and the infamous (at least in the news group) 'swr meter'! ok, i'll go back to lurking now. |
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