Abstract

The operation of a surface acoustic wave spectrum analyser and digital integrator is reviewed. Expressions are derived for signal to noise ratio in the measured voltage spectrum with an approximation for the general case and rigorous treatment for the low signal case. A previous calibration study is re-evaluated to provide a final calibration for the atmospheric backscatter data accumulated by the airborne LATAS (laser true airspeed) coherent laser radar system.

© 1989 Optical Society of America

Signal processing and calibration of continuous-wave focused CO₂ Doppler lidars for atmospheric backscatter measurement

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