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characteristic impedance of a transmission line is the ratio of voltage wave to current wave propagating in the same direction. And if there is no reflection at the end of the transmission line ( a matched load or a infinite TL) your signal will always see the characteristic impedance of the...
dft vs dct
when using dft you have to keep complex numbers also you have to perform complex computation however by using dct you all deal with real numbers you perform your computation with real numbers and you keep real coefficients. So, you gain memory locations and your computational cost...
bjts, diodes, mos
if you drive BJT circuit with current, I mean the state of BJTs will be determined by current instead of voltage, and if you avaoid BJT to go in saturation deeply,this can be done by using schotky clamping diodes, BJT circuits are faster.
spatial frequency pixel
I hope you asked this
if you get the pixel size smaller you make the spatial frequency higher
and if you make pixel size higher you make the spatial frequency lower
we may formulate it like this
pixel length = 1/(some constants*spatial frequency)
K=0 means you are seeing the roots of open loop system
you can check it with matlab plot a root locus with matlab and point the roots of open loop system with data curser you will see 'Gain=0'
matlab importdata variable filename
I have datas taken from a spectrum analyzer they are in the form DATA.D2 and the question is how the files with D2 extantion read in matlab
I made this waveport in HFSS but there are problems with it. It has a linear S11 which is totaly wrong.
can anyone help me?
I attached the project file :)
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