A delta modulation threshold extension technique for frequency modulation systems
Delta modulation threshold extension technique for phase lock loop FM demodulator
Arndt, G. D.↗
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Results for “Locking”
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.
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Hybrid carrier and modulation tracking loops
Coherent receiver as hybrid carrier tracking loop consisting of standard phase locked and modified Costas loop
Lindsey, W. C.↗
New filter technique improves home television reception
Program studies and designs combline filters and analyzes their effectiveness in improving TV quality. Signal tracking methods are improved. Combline phase-lock loop provides significant sensitivity improvement above and below threshold.
Develet, J. A., Jr.↗
Advanced high efficiency transmitter /engineering model/ Final report
Design, development, and fabrication of 30 watt, high efficiency FM transmitter by utilizing phase lock techniques
Source record↗
Josephson tunneling through normal metal barriers
Using phase lock techniques to study electrical and magnetic properties of metal superconductor Josephson junctions
Rockefeller, R. R.↗
Linear modulator test procedure and report
Linear modulator, demodulator, and phase locked loops breadboard test procedures and results
Source record↗
Spacecraft airlock Patent
Spacecraft air lock system to provide ingress and egress of astronaut without subjecting vehicular environment to vacuum of space
Judd, J. H.↗
Threadless fastener apparatus Patent
Threadless fastener apparatus comprising receiving apertures for plurality of articles, self-locked condition, and capable of using nonmalleable materials in both ends
Cissell, R. E.↗
Linear modulator Final report
Design, operation, and alignment of single channel breadboard modulator, demodulator, and phase locked loops for double sideband signals
Source record↗
Thruster maintenance system Patent
System for removing and repairing spacecraft control thrusters by use of portable air locks
Hethcoat, J. P.↗
Compensating bandwidth switching transients in an amplifier circuit Patent
Phase locked demodulator with bandwidth switching amplifier circuit
Hoffman, L. A.↗
Film feed camera having a detent means Patent
Longitudinalfilm gate and lock mechanism for securing film in motion picture cameras under vibration and high acceleration loads
Milliken, D. B.↗
Advanced study of video signal processing in low signal to noise environments Semiannual progress report, Jun. - Nov. 1970
Video signal processing in low signal to noise environments - bandpass filter in multi-filter phase lock loop
Bowden, R.↗
Digital command system second-order subcarrier tracking performance
Equations to determine tracking performance for second order, phase locked loop used for subcarrier synchronization on digital command system
Holmes, J. K.↗
The effect of loop stress on the performance of phase-coherent communication systems
Phase-coherent communication systems with phase locked loops for data detector synchronization, calculating noisy timing effects on detection efficiency
Lindsey, W. C.↗
Transient analysis of nonlinear tracking systems
Fokker-Planck boundary value solutions to transient phase error response of nonlinear phase locked tracking systems
La Frieda, J. R.↗
A sequence solution to the Fokker-Planck equation
Sequence solution to multidimensional time varying Fokker-Planck equation for phase locked nonlinear systems
Mayfield, W. W.↗