Complex

Discrete Fourier transform - Norms of complex input signals and their transformation
What is the Fourier transform of a discrete signal?What are types discrete Fourier transform?What is complex FFT? What is the Fourier transform of a...
Efficient Magnitude Comparison for Complex Numbers
How do you find the magnitude of a complex number?How do you compare two complex numbers?Is the magnitude of a complex conjugate is always same as th...
Complex output after inverse FFT of a real signal
Why is FFT output complex?What is complex conjugate of FFT?What is the inverse FFT?What are the outputs of FFT? Why is FFT output complex?Why does F...
How do I explain a complex exponential intuitively?
How is complex exponential defined?How do you write complex in exponential form?How do you distinguish between complex and exponential functions? Ho...
Complex numbers and fourier transform
Does Fourier transform use complex numbers?Why do we use complex numbers in Fourier transform?What is Fourier transform of complex exponential? Does...
Why does this not work Alt. way to compute the period of a discrete periodic signal that is a sum of 2 complex exponentials
How do you find the period of a complex exponential function?How do you find the periodicity of a discrete signal?Which condition is used to check th...
For complex values, why use complex conjugate in convolution?
Why do we need complex conjugate?What does complex conjugate represent?What is a complex conjugate example? Why do we need complex conjugate?Complex...
Convolution of real with complex signal
What is real and complex signal?What is complex conjugate signal?Can a signal take complex value? What is real and complex signal?A real signal at a...
Value of complex multiplier in DFT/FFT
What is the number of complex multiplications for DFT and FFT?How many complex multiplication are there in FFT?How many complex multiplication are re...