Advanced threshold reduction techniques study first quarterly report, 1 jul. - 30 sep. 1964
Noise threshold reduction study with phase lock loop, frequency compression feedback, and other demodulators
NOISE THRESHOLD↗
SEARCH · Engineering Papers
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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Special arod system studies third quarterly report
AROD system interface investigations - phase lock loop advanced circuit investigations - linearized transponder transmitter chain
TRANSMITTER↗
Special arod system studies seventh quarterly report
Phase lock loop advanced circuits, and technical summary for Airborne Range and Orbit Determination /AROD/ system
INTEGRATED CIRCUIT↗
Reproducible magnetic field sweep.
Reproducible magnetic field sweep consisting of phase-locked system with digital frequency synthesizer
FREQUENCY SYNTHESIS↗
A proposed spacecraft-to-earth communications link - the unified carrier approach.
Unified carrier, range tracking and communications system using phase-locked loop techniques for coherent spacecraft-to-Earth communications
PHASE LOCK↗
Frequency stabilization of double-mode gas laser.
Frequency stabilization of double mode helium-neon laser via phase lock circuit
PHASE LOCK↗
The Relay Test Station low noise receiving and demodulation systems
Relay I test station low noise receiving and demodulation systems using wideband phase lock demodulator
NOISE REDUCTION↗
Research on an expandable airlock utilizing the elastic recovery principle Final report
Design of expandable air lock using elastic recovery materials - requirements for crew transfer, micrometeoroid and thermal protection, flexibility, and multiple deployment
EXPANDABLE STRUCTURE↗
A Space Communications Study Progress Report, Sep. 15 - Mar. 15, 1966
Phase lock loops, FM discriminator, and other devices for space communications
PHASE LOCK↗
Theoretical and experimental studies of sub-optimal second and third generation self-adaptive binary communication system Semiannual report, Jan. 1 - Jun. 30, 1966
Intersymbol interference in digital communication systems, phase lock loop studies, channel simulator studies, binary signal sets for channel models, and shift register sequences
CHANNEL↗
Vehicle tracking receiver design
Phase-locked loops and signal processing techniques employed in vehicle tracking receiver
PHASE LOCK↗
A class of Wiener filters useful in PLL APPLICATIONS.
Wiener filters in phase locked loop design, noting tracking function for orbital trajectory, derivation of optimum filter and noise bandwidth
MATHEMATICAL MODEL↗
Special AROD System Studies, Volume I Fifth Quarterly Report, Period Ending Dec. 31, 1964
Wideband modulation techniques and phase-locked loop studies for airborne range and orbit determination system
PHASE LOCK↗
Stabilized gas laser oscillators Final report, 24 Jun. 1964 - 21 Jun. 1966
Phase-locking scheme for frequency-stabilized gas laser oscillators
PHASE LOCK↗
Special AROD system studies, volume 2
Airborne range and orbit determination system studies on wideband modulation methods and phase lock loop advanced circuit - appendices
MODULATION TECHNIQUE↗
Excess photon noise in multimode lasers.
Excess photon noise in detected photocurrent of multimode laser for uncoupled and phase locked modes
LASER MODE↗
A highly adaptive phase coherent receiving system.
Highly adaptive phase lock coherent receiving system fulfilling requirements of data and Doppler tracking receivers
DOPPLER EFFECT↗
On the acquisition time for an Apollo ranging code.
Apollo ranging code with phase locked loop for bit synchronization, plotting SNR vs error probability and acquisition time
APOLLO PROJECT↗