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  • (cur | prev) 10:47, 5 September 2008Zhang79 (Talk). . (722 bytes) (+232)
  • (cur | prev) 10:28, 5 September 2008Zhang79 (Talk). . (490 bytes) (+490). . (New page: =Signal Power= The average power over an interval of time <math>[t_1,t_2]\!</math> is <math>P_{avg}=\frac{1}{t_2-t_1}\int_{t_1}^{t_2} |x(t)|^2\ dt \!</math>. Given that <math>y(t) = cos(2...)

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Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett