Tracking analysis of a first order phase- locked loop with two sinewaves modulation
Phase locked-loop tracking with sine wave modulation in Apollo communication systems
SEARCH · Engineering Papers
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.
Phase locked-loop tracking with sine wave modulation in Apollo communication systems
Development of automatic frequency discriminators and control for phase lock loop providing frequency preset capabilities
Development of phase demodulation system with two phase locked loops
Diversity receiving system with diversity phase lock
Positive locking check valve for stopping reversed flow
Second/third order hybrid phase locked receiver for tracking frequency ramp signals
Phase locked phase modulation system with voltage controlled oscillator for final phase linearity
Low friction bearing and lock mechanism for two-axis gimbal carrying satellite payload
Satellite orientation during deployment established in order to achieve maximum strength of higher rotational locks for satellites in elliptic orbits
Locking device for retaining turbine rotor blades on turbine wheel
Phased-locked loop demodulator for television type PM signals on sinusoidal carrier
Numerical evaluation of transient response for third-order phase-locked system for possible use in tracking high Doppler rates
IR gas pulsed lasers continuous self mode locking, observing optical spectra with scanning Fabry-Perot interferometer
Single mode locked Nd-glass laser pulse time synchronization with Q switched ruby laser
Digital communication hybrid phase locked loop nonlinear feedback system with modulation and carrier components enhancing phase estimation
Photodetector triggered single pulse selection from mode locked ruby laser
First order digital phase locked loops analysis for single channel command system, using random walk techniques
Frequency counted measurements and phase locking to noisy oscillators, showing counted frequency method sample variance slow convergence to actual variance