UAV-Based Wetland Monitoring: Multispectral and Lidar Fusion with Random Forest Classification
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SEARCH · Engineering Papers
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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Ionization of nitrogen molecules by nitrogen molecules
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Applicability of normal distribution law to wind circulation in atmosphere
Hybrid computer techniques for evaluating statistics from quantized data
Generation and measurement of nonstationary stochastic processes related to Monte Carlo studies with analog computer
Signal spectra and digital characteristics in design of binary modulation systems
Radio wave propagation in ionosphere using autocorrelation functions of Comstock type to approximate supporting medium
Variation of coherent correlation receiver performance characteristics caused by transmitted signal corrupted by Rician fading phenomena and additive Gaussian noise
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Portable seismometer mounted in a rugged housing can be placed in inaccessible locations and operate efficiently in other than a vertically upright position. The instrument housing contains an amplifier, transmitter, and antenna to relay measurement data to a receiving station.
System to locate objects submerged underwater uses active/passive sonar techniques in which a transmitter is attached to the object to be recovered and a receiver is used for search. The system is rugged, has a long term operating life, and furnishes a precise bearing on the object.
Digital measurement of differential time delay of pseudorandom coded signals
Approximation solution to integral expressions of radar backscatter from distant rough surfaces for lunar surface property determination
Photometric device for measuring propagation velocity of light fluctuations in arc-heated plasma jet