Signal energy and power

Signal energy and powercontentsSpectral density of signalEnergy Spectral Density (ESD)Power Spectral Density (PSD)Parsevals theorem for energy signalParsevals theorem for power signalDensity spectra of periodic gate and impulse train

What is spectral density of signal????Spectral density of signal is defined as the distribution of energy or power per unit bandwidth as a function of frequency.PARSEVALS THEOREM FOR ENERGY SIGNALPARSEVALS THEOREM FOR power SIGNALDENSITY SPECTRA OF PERIODIC GATE AND IMPULSE TRAIN