Introduction Basic signal properties(dc, rms, dBm, and power) Fourier transform and spectra Linear systems and linear distortion Bandlimited signal and sampling Discrete Fourier transform Bandwidth of signal
1. Model of Communication System Noise Source Sink T Channel T: Transformation Source, sink, and channel are given beforehand Transformation to match the source with the channel
MessageBox The MessageBox function creates, displays, and operates a message box. The message box contains an application-defined message and title plus any combination of predefined icons and push buttons