Results 51 to 60 of about 179 (90)

Shipboard DC Hybrid Power Systems: Modeling, efficiency analysis and stability control [PDF]

open access: yes, 2014
DC hybrid power systems are currently of interest for ship commercial marine vessels to enable low-emission and fuel-efficient operation. The benefit of using these systems is also to provide space and weight savings onboard ships.
Zahedi, Bijan
core  

Aeronautical Engineering. A continuing bibliography, supplement 112 [PDF]

open access: yes
This bibliography lists 424 reports, articles, and other documents introduced into the NASA scientific and technical information system in July ...

core   +1 more source

Design procedure for millimeter-wave Gunn diode voltage controlled oscillators [PDF]

open access: yes, 1991
The design of high power microwave and millimeter-wave (MMW) voltage controlled oscillators (VCOs) is, in general, an inexact science. Development methods typically rely on qualitative circuit models and require extensive trial-and-error experimental ...
Leach, Herbert Allan
core   +1 more source

Integration of global positioning and inertial reference system data inside a flight management computer [PDF]

open access: yes, 1992
A Kalman filter is used to integrate the outputs from a Global Positioning System and an Inertial Reference System inside a Flight Management Computer.
Richards, N. P.
core  

Multi-scale Structural Health Monitoring using Wireless Smart Sensors [PDF]

open access: yes, 2015
Tremendous progress has been made in recent years in the wireless smart sensor (WSS) technology to monitor civil infrastructures, shifting focus away from traditional wired methods.
Jo, Hongki, Spencer, Billie F., Jr.
core  

Shuttle Communications and Tracking Systems Modeling and TDRSS Link Simulations Studies [PDF]

open access: yes
An analytical simulation package (LinCsim) which allows the analytical verification of data transmission performance through TDRSS satellites was modified.
Chie, C. M.   +4 more
core   +1 more source

Algorithm animation and its application to artificial neural network learning [PDF]

open access: yes, 1991
Algorithm animation is a means of exploring the dynamic behavior of algorithms using computer-generated graphics to represent algorithm data and operations.
Bubie, Walter, C.
core   +1 more source

Aeronomy report no. 74: The Urbana meteor-radar system; design, development, and first observations [PDF]

open access: yes
The design, development, and first observations of a high power meteor-radar system located near Urbana, Illinois are described. The roughly five-fold increase in usable echo rate compared to other facilities, along with automated digital data processing
Geller, M. A., Hess, G. C.
core   +1 more source

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