Preliminary Development of Digital Signal Processing in Microwave RadiometersNational Aeronautics and Space Administration, Scientific and Technical Information Branch, 1980 - Radiometers - 142 pages |
Common terms and phrases
AMPLITUDE RESPONSE analog system analysis attenuator bilinear transformation block diagram Bode plot component continuous-time control loop corresponding critically damped damping factor dB/octave determined Dicke frequency Dicke switch digital filter directional coupler discrete-time duty cycle equation error to changes estimation circuit factor and settling fluctuations frequency domain point harmonics injected noise input temperature integrator investigated Jeffords lag-lead network lead time constant loop filter loop gain microwave radiometer noise diode notch filter number of points Nyquist rate Old Dominion University optimum output variance parameters point of view post-loop filtering POST-LOOP SAMPLES power spectrum PROPOSED DESIGN pulse rad/s reduced ripple level Run 1 Run sampled signal sampling rate second-order loop settling time versus shown in figure signal processing SIMULATION OF PROPOSED statistical statistically independent steady-state sum-and-dump algorithm underdamped undersampling versus maximum overshoot video amplifier z-transform ΚΩ