Petrus K.
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 Apr 24 awarded Autobiographer Aug 23 awarded Student Aug 23 comment Explain the arithmetics of this trigonometrical expression Alright, that makes sense. Thank you! Aug 23 awarded Scholar Aug 23 accepted Explain the arithmetics of this trigonometrical expression Aug 23 awarded Editor Aug 23 revised Explain the arithmetics of this trigonometrical expression added 1 characters in body Aug 23 comment Explain the arithmetics of this trigonometrical expression Images: modulation - dl.dropbox.com/u/16952797/temp_stuff/KT/QAM/20120823_174940.jpg demodulation - dl.dropbox.com/u/16952797/temp_stuff/KT/QAM/20120823_175218.jpg Aug 23 comment Explain the arithmetics of this trigonometrical expression Jennifer - Yes $d_1$ and $d_2$ are just constants. Rahul - The relationship between d1 and d2 are that they are 2 different carriers transmitted over the same channel and through the same signal (see my dropbox images for further mathematical explaination. Michael - No, I'm not looking to solve $d_1$ and $d_2$, I just want to know how you simplify the LHS expression into the simplified RHS expression, what is the arithmetics behind it? Aug 23 asked Explain the arithmetics of this trigonometrical expression