Results 111 to 120 of about 17,683 (224)

Meteoroid Engineering Model (MEM) 3: NASAs Newest Meteoroid Model [PDF]

open access: yes
Meteoroid impacts threaten spacecraft and astronauts at all locations within the Solar System. At certain altitudes in low-Earth orbit, orbital debris dominates the risk, but meteoroids are more significant within 250 km of the Earths surface and above ...
Moorhead, Althea V.
core   +1 more source

Persepsi pelajar sarjana muda kejuruteraan elektrik terhadap program latihan industri, Kolej Universiti Teknologi Tun Hussein Onn [PDF]

open access: yes, 2002
Kajian ini dijalankan bertujuan untuk mengetahui persepsi Pelajar Sarjana Muda Kejuruteraan Elektrik Terhadap Program Latihan Industri, KUiTTHO berdasarkan kepada 4 faktor iaitu kesesuaian penempatan program latihan industri, kesesuaian pendedahan ...
Mohamad Nur, Hanirah
core  

Multilayer Decomposition Denoising Empowered CNN for Radar Signal Modulation Recognition

open access: yesIEEE Access
Radar signal recognition plays a crucial role in modern electronic reconnaissance systems. With the increasing complexity of electromagnetic environments, radar signals are susceptible to noise interference under low signal-to-noise ratio (SNR ...
Mengting Jiang   +5 more
doaj   +1 more source

Multiple paths in complex tasks [PDF]

open access: yes
The relationship between utility judgments of subtask paths and the utility of the task as a whole was examined. The convergent validation procedure is based on the assumption that measurements of the same quantity done with different methods should ...
Galanter, Eugene   +2 more
core   +1 more source

Intra-pulse Modulation Recognition of LPI Radar Signals Based on Improved MobileNet [PDF]

open access: yesRadioengineering
Addressing the challenge of feature extraction for Low Probability of Intercept (LPI) radar signals under low signal-to-noise ratio conditions, this study introduces a new method for intra-pulse modulation recognition of LPI radar signals based on an ...
J. Wu   +5 more
doaj  

Investigation of advanced navigation and guidance system concepts for all-weather rotorcraft operations [PDF]

open access: yes
Results are presented of a survey conducted of active helicopter operators to determine the extent to which they wish to operate in IMC conditions, the visibility limits under which they would operate, the revenue benefits to be gained, and the percent ...
Boen, G. E., Moore, J., Upton, H. W.
core   +1 more source

Handbook for the estimation of microwave propagation effects: Link calculations for earth-space paths (path loss and noise estimation) [PDF]

open access: yes
A single model for a standard of comparison for other models when dealing with rain attenuation problems in system design and experimentation is proposed. Refinements to the Global Rain Production Model are incorporated.
Blood, D. W., Crane, R. K.
core   +1 more source

Flight-test evaluation of STOL control and flight director concepts in a powered-lift aircraft flying curved decelerating approaches [PDF]

open access: yes
Flight tests were carried out to assess the feasibility of piloted steep curved, and decelerating approach profiles in powered lift STOL aircraft. Several STOL control concepts representative of a variety of aircraft were evaluated in conjunction with ...
Hardy, G. H.   +2 more
core   +1 more source

Home - About - Disclaimer - Privacy