Polymeric Schiff bases. XV - The synthesis of cross-linked polymeric azomethines from amino aryl ketones.
Cross-links effect on char yields of azomethine polymers produced by aryl diamines with aryl diketones
Dalelio, G. F.↗
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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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Polymeric Schiff bases. XIV - The synthesis of cross-linked polymeric azomethines by exchange reactions.
Schiff base cross-links effect on synthesis of polymeric azomethines produced by bis exchange reactions, carbonyl and amine
Dalelio, G. F.↗
Multipath fading in FSK communication links - An experimental investigation.
Binary error investigation in noncoherent FSK communication link with nonselective fading, noting Doppler shift
Bisignani, W. T.↗
Coding - An engineering tool for the digital telemetry link.
Digital telemetry link coding as English language analogy, developing block code scheme combining bit, word and block error detection and correction methods
Muller, R. M.↗
Communications link for SDS 900 series computers
High speed, self-clocking single channel control and data link apparatus interfaces between two computers. This combined system reduces data errors.
Layland, J. W.↗
A study of weather-dependent data links for deep space applications
Weather-dependent data links for deep space applications, and five potential systems
Potter, P. D.↗
Link GAT-1/PWI Overall Simulation Experiment Design
Link general aviation trainer/pilot warning indicator overall simulation experiment design
Copps, E. M.↗
Effects of spacecraft interference on a 136 MHz PCM telemetry data link
Effects of spacecraft interference on 136 MHz PCM telemetry data link
Karras, T. J.↗
The Millimeter Wave Link
Video image data transmission using millimeter wave relay satellites - millimeter wave links
Source record↗
Purification and properties of two types of diphosphopyridine nucleotide-linked glycerol 3-phosphate dehydrogenases from chicken breast muscle and chicken liver
Purification and properties of diphosphopyridine nucleotide-linked glycerol 3-phosphate dehydrogenases from chicken breast muscle and liver
Kaplan, N. O.↗
Effects of cross-link density and polymer structure on thermal analysis of phenol-formaldehyde polymers
Polymer structure and cross-link density effects on thermal analysis of phenol-formaldehyde polymers pyrolysis products
Parker, J. A.↗
Response of superconducting weak links to photons
Radiation detectors with superconducting weak links response to single photons, considering Mercereau ring interferometer
Chiao, R. Y.↗
Coding - A tool for the digital telemetry link
Digital PCM telemetry link coding techniques, discussing encoding-decoding complexity, and concatenated block scheme for channel
Muller, R. M.↗
Coding systems study for high data rate telemetry links
Performance tests of convolutional decoder systems for high data rate telemetry links
Gilhausen, K. S.↗
Hadamard source encoding techniques applied to Apollo telemetry links - An evaluation
Hadamard transform source encoding application to Apollo unified S-band telemetry links, considering possible system performance improvement
Dawson, C. T.↗
Integrating the relay link design and trajectory design for the Viking '75 mission
Relay data link and trajectory design integration for Viking orbiter 1975 mission
Marquet, D. W.↗
Relay-link communications geometry for a Jupiter atmospheric probe
Jupiter atmospheric probe using relay-link communications geometry between probe and flyby spacecraft for 3.5 hr intervals
Fischer, R. B.↗
Spread spectrum communication link using surface wave devices
A fast lock-up, 8-MHz bandwidth 8,000 bit per second data rate spread spectrum communication link breadboard is described that is implemented using surface wave devices as the primary signal generators and signal processing elements. It uses surface wave tapped delay lines in the transmitter to generate the signals and in the receiver to detect them. The breadboard provides a measured processing gain for Gaussian noise of 31.5 dB which is within one dB of the theoretical optimum. This development demonstrates that spread spectrum receivers implemented with surface wave devices have sensitivities and complexities comparable to those of serial correlation receivers, but synchronization search times which are two to three orders of magnitude smaller.
Hunsinger, B. J.↗