Stabilization of the he-ne maser on the atomic line center.
Automatic feedback control for long-term frequency stabilization of He-Ne laser at center frequency of atomic resonance
CAVITY RESONANCE↗
SEARCH · Engineering Papers
Results for “Frequency modulation”
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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Frequency discriminator for pfm signals.
Frequency discriminator circuit with output voltage directly proportional to input frequency for rapid sampling of PFM telemetry signals
SIGNAL DISCRIMINATOR↗
Coherent radar FM noise limitations
Coherent radar FM noise limitations - clutter rejection and subclutter visibility parameters used to describe performance of stable master oscillators
COHERENT RADAR↗
Digital computer processing of PFM telemetry data
Error probability in digital computer processing of PFM telemetry data
TELEMETRY↗
Signal conditioning to improve high resolution processing for PFM telemetry
Signal conditioning for improved high resolution processing of PFM telemetry data
PULSE FREQUENCY MODULATION /PFM/↗
A Space Communications Study Progress Report, Sep. 15 - Mar. 15, 1966
Phase lock loops, FM discriminator, and other devices for space communications
PHASE LOCK↗
The principle and design of a Vernier FM RADAR system
Principle and signal design of FM radar system with vernier scale for distance measurement
SIGNAL ANALYSIS↗
High shock FM transmitter
Provisional specifications, photographs, and engineering drawings for high shock FM TRANSMITTER assembly computing device
MECHANICAL DRAWING↗
High-shock FM transmitter Final report, phase I
Electronic component testing of high-shock FM TRANSMITTERS
SHOCK SENSITIVITY↗
High shock FM transmitter Final report, phase II
Electric and impact shock testing of prototype and final design high shock FM transmitter
RADIO TRANSMITTER↗
An automatic, on line telemetry processing system.
FM telemetry digitizing system operating on-line in real time environment results in automatic data processing
REAL TIME↗
Measurement of pressures and heat transfer by FM telemetry.
Pressure and heat transfer measurement by FM TELEMETRY for models flying freely in hypersonic wind tunnel streams
FREQUENCY MODULATION↗
Single sideband FM telemetry.
Single-sideband FM for data transmission on vibration and acoustic measurements, noting SNR PERFORMANCE, transmission link, etc
FREQUENCY MODULATION↗
FM telemetry for multiple force measurements on free-flying models in wind tunnels.
Simultaneous FM telemetry measurement of four aerodynamic forces acting on free flying models in wind tunnel
FREE FLIGHT↗
Radio frequency systems. Millimeter waves study Quarterly report, 1 Jun. - 1 Sep. 1966
Research on radio frequency systems and millimeter waves
TELEVISION EQUIPMENT↗
Transionospheric propagation of FM signals
Transionospheric propagation of FM signals for satellite communications
IONOSPHERIC PROPAGATION↗
A compatible double sideband/single sideband/ constant bandwidth FM telemetry system for wideband data.
Compatible double sideband/single sideband/constant bandwidth FM telemetry system for wideband data
SIDEBAND↗
Principle and design of a Vernier FM radar system.
Signal design and principle of vernier FM radar system to measure surface characteristics of small target at long distance and range resolutions
FREQUENCY MODULATION↗