Feasibility breadboard of an all-magnetic PCM telemetry system
Feasibility breadboard of all magnetic PCM TELEMETRY system
TELEMETRY↗
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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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Comparison of the performance of PCM and PFM TELEMETRY systems.
Comparison of PCM and PFM telemetry systems in terms of transmission rate, bandwidth, error rate and power
PULSE FREQUENCY MODULATION /PFM/↗
PCM picture transmission.
PCM picture transmission, pseudorandom scanning, noise, bandwidth compression and digital simulation
BANDWIDTH↗
On signal and noise level estimation in a coherent PCM channel.
Joint maximum likelihood estimator for signal amplitude and noise power density in coherent PCM CHANNEL with white Gaussian noise
SIGNAL ANALYSIS↗
Burst retransmission of PCM telemetry data.
Periodic burst technique for real-time retransmission of data from multiple asynchronous PCM telemetry links, providing accurate determination of individual sample time
DATA TRANSMISSION↗
A spacecraft microelectronic PCM multiplexer- encoder.
Ninety-eight-channel microelectronic PCM MULTIPLEXER-ENCODER design and development qualified to Apollo spacecraft environments
MULTIPLEX TRANSMISSION↗
A hybrid PCM telemetry system for the Nimbus B spacecraft.
PCM telemetry unit for Nimbus B spacecraft noting applications and performance
SATELLITE INSTRUMENTATION↗
Design considerations in PCM transmission of low-resolution monochrome still pictures.
Picture quality in PCM transmission of low resolution monochrome still pictures as affected by system parameter changes
DATA TRANSMISSION↗
A Data Handling System for Phase Coherent Coded PCM Communications.
Data handling system for 8-bit phase-coherent biorthogonal coded PCM telemeter
PULSE CODE MODULATION /PCM/↗
The effect of BSC on PCM picture quality.
Binary symmetrical channel noise effect on PCM PICTURE quality compared with white Gaussian noise effect in PAM system
WHITE NOISE↗
Nimbus B PCM telemetry subsystem, volume 1, sections 1 through 8 Final report,
Design, manufacture, and testing of Nimbus B PCM telemetry subsystem, bench test equipment, and ground stations
Source record↗
Performance analysis of PCM signal conditioners incorporating an advanced technique in testing procedures.
PCM synchronizer testing providing processing and print-out for Apollo checkout equipment
Cooner, C. E.↗
Waveform error control in PCM telemetry.
Waveform error control in PCM telemetry system for analog data transmission over digital communication channel
Kurtenbach, A. J.↗
PCM bit detection with correction for intersymbol interference
For pulse code modulation bits, received signals are filtered by integrate and dump filter from which samples are directed to end of PCM bit. Threshold decision circuit determines level of sample voltage. Effects of interference of known past bit can be corrected by raising or lowering threshold voltage value.
Thumim, A. I.↗
Bit error analysis for a PCM equipment using integrate and dump mode of data regeneration
Bit error analysis for PCM data link using integrate and dump mode of data regeneration
Thomson, W. E.↗
Performance characteristics and specification of PCM bit synchronizer/signal conditioners.
PCM bit synchronizer/signal conditioners performance characteristics and specification
Peavey, B.↗
The signal-to-noise ratio estimation techniques for PCM signals.
Spectral null from spectral characteristics and statistical properties of PCM signals used to estimate SNR
Sos, J. Y.↗
STADAN PCM data handling systems.
PCM data handling system for NASA Space Tracking and Data Acquisition Network with explanation for output capabilities, noting BIOSAT project
Franks, H. J., Jr.↗