SEARCH Articles Figures Tables Depth dependence, solar spectral irradiance Frequency-Dependent and Spectral Properties Potential-dependent spectral changes Spectral calculations frequency dependences Spectral densities angular dependence Spectral dependence of a xenon lamp on electrical operating parameters Spectral function absorption frequency dependence Temperature dependences of spectral line shifts and widths Time-dependent power spectral density Time-dependent quantum-mechanical spectral analysis Time-dependent spectral diffusion