CP-2156 Life In The Universe

Figure 3. Spectral utility function; an inversion of the more familiar temperature bandwidth index which represents the effective noise in a receiver whose channel widths are optimized for any constant Doppler drift rate. The minimum in the temperature bandwidth index represents the frequency of maximum utility for interstellar communication with ultranarrow-band signals.

Figure 3. Spectral utility function; an inversion of the more familiar temperature bandwidth index which represents the effective noise in a receiver whose channel widths are optimized for any constant Doppler drift rate. The minimum in the temperature bandwidth index represents the frequency of maximum utility for interstellar communication with ultranarrow-band signals.

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