Results 61 to 70 of about 511 (153)

JOINT DETECTION-STATE ESTIMATION AND SECURE SIGNAL PROCESSING [PDF]

open access: yes, 2016
In this dissertation, joint detection-state estimation and secure signal processing are studied. Detection and state estimation are two important research topics in surveillance systems.
Ren, Mengqi
core   +1 more source

Design And Development Of A Secure Wireless System Using Frequency Hopping Spread Spectrum [TK5103.2. A148 2007 f rb]. [PDF]

open access: yes, 2007
Dalam penyelidikan ini, satu sistem tanpa wayar automasi untuk menghantar data yang bersertakan kod PN secara automatik kepada pihak berkuasa berkenaan telah dibangunkan.
Yahya, Abid
core  

Channel Estimation in Multicarrier Communication Systems [PDF]

open access: yes, 2009
The data rate and spectrum efficiency of wireless mobile communications have been significantly improved over the last decade or so. Recently, the advanced systems such as 3GPP LTE and terrestrial digital TV broadcasting have been sophisticatedly ...
Dash, Sarada Prasanna   +1 more
core  

Orbiter global positioning system design and Ku-band problem investigations, exhibit B, revision 1 [PDF]

open access: yes
The hardware, software, and interface between them was investigated for a low dynamics, nonhostile environment, low cost GPS receiver (GPS Z set). The set is basically a three dimensional geodetic and way point navigator with GPS time, ground speed, and ...
Lindsey, W. C.
core   +1 more source

Development of an Electronic Warfare Package [PDF]

open access: yes, 2019
Nowadays with the development and cost reduction of unmanned vehicles, armed forces around the world have been using these systems as a replacement or complement for conventional manned systems.
Teles, Diogo Santos Pinto da Costa
core  

Feasibility and systems definition study for Microwave Multi-Application Payload (MMAP) [PDF]

open access: yes
Work completed on three Shuttle/Spacelab experiments is examined: the Adaptive Multibeam Phased Array Antenna (AMPA) Experiment, Electromagnetic Environment Experiment (EEE) and Millimeter Wave Communications Experiment (MWCE).
Afifi, M.   +9 more
core   +1 more source

The Design, Building, and Testing of a Constant on Discreet Jammer for the Ieee 802.15.4/ZIGBEE Wireless Communication Protocol [PDF]

open access: yes, 2018
As wireless protocols become easier to implement, more products come with wireless connectivity. This latest push for wireless connectivity has left a gap in the development of the security and the reliability of some protocols.
Marette, Alexandre J
core   +1 more source

Wideband active antenna cancellation [PDF]

open access: yes, 2008
Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2008.Includes bibliographical references (leaf 91).There exists a simultaneous transmit and receive antenna system where the transmitted signal
Adaniya, Hana L
core  

Publications of the Jet Propulsion Laboratory, 1984 [PDF]

open access: yes
The Jet Propulsion Laboratory (JPL) bibliography 39-26 describes and indexes by primary author the externally distributed technical reporting, released during calendar year 1984, that resulted from scientific and engineering work performed, or managed ...

core   +1 more source

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