例句與造句

1. However the duration of the filter's impulse response, and the number of terms that must be summed for each output value ( according to the above discrete time convolution ) is given by N = 1 / ( \ Delta f \, T ) where " T " is the sampling period of the discrete time system ( N-1 is also termed the " order " of an FIR filter ).
2. It's difficult to find discrete time convolution in a sentence. 用discrete time convolution造句挺難的