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That helps a lot, I finally got it! :-o
And I just found the derivation of the equation too! https://cnx.org/content/m10733/latest/
Thank you so much! Thank you! :-)
Thank you so much!
That changes my life!
I never know a signal behave like a vector!
But I still confused at some point.
1. If a signal has frequency f1 f2 f3 f4... Is it the same thing as vector has i j k component?
2. Is there any theory behind multiply and integrate? Why multiply and...
I'm learning about the Fourier Series and have a few question.
First, we have 2 methods to find the Fourier coefficient of the Fourier Series.
1. Use the formula Cn below.
note that: x=2∏ft
2. Expand the function.
For Example I have y(t)=3cos(2∏9t)+4cos(2∏8t), let use the Expansion...
Thank you for the reply but I still confuse about the way input see different and amplify it.
This circuit for example.
Let's say if VR1=1/2Vout
When the inputs see a difference, say 1V and 0V, the amp massive gain (say 1000) amplifies the difference(1V).
Now Vout is 1000V, half of this...
I'm new here, I'm currently learning about basic negative feedback network and have a few question about concept of the negative feedback.
This is what I understand about negative feedback, I know that the gain of negative feedback is independent to Av because close loop gain(Af) is equal to...
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