Results 231 to 240 of about 157,712 (295)

Categorization of Jammers for Spaceborne SAR Systems. [PDF]

Sensors (Basel)
Chiari M, Jagdhuber T, Speck R, Chandra M.   +3 more
europepmc   +1 more source

A compact ultra-wideband bandstop filter using mu-negative and ENZ metamaterial resonators for multiple advanced wireless communication systems. [PDF]

PLoS One
Elbathaoui M, Jebbor N, Das S, Ali W, Arockiam SAN, Kumar OP, Boufounas EM.   +6 more
europepmc   +1 more source

Hybrid equivalent circuit-deep neural network design of optically transparent metasurface with microwave RCS reduction. [PDF]

iScience
Si L, Ma T, Dong L, Niu R, Dang C, Bao X, Zhu K, Sun H, Zhu W.   +8 more
europepmc   +1 more source

A Frequency- and Power-Dependent Semi-Analytical Model for Wideband RF Energy Harvesting Rectifiers. [PDF]

Micromachines (Basel)
Zuhur S.
europepmc   +1 more source

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Wideband RELAX and wideband CLEAN for aeroacoustic imaging

The Journal of the Acoustical Society of America, 2003
Microphone arrays can be used for acoustic source localization and characterization in wind tunnel testing. In this paper, the wideband RELAX (WB-RELAX) and the wideband CLEAN (WB-CLEAN) algorithms are presented for aeroacoustic imaging using an acoustic array.
Yanwei, Wang, Jian, Li, Petre, Stoica, Mark, Sheplak, Toshikazu, Nishida   +4 more
openaire   +2 more sources

Wideband electromechanical stimulator

Medical & Biological Engineering, 1976
An electromechanical stimulator with wideband characteristics is described. Nonlinear control techniques have been used to achieve a fast rise time, a speedy settling time, and a very small steady-state error. The device has been used in quantitative investigations on cutaneous receptor units.
M J, O'Connell, F, Khalafalla, S, Lal
openaire   +2 more sources

Wideband local oscillator design for wideband transceivers

2011 IEEE International RF & Microwave Conference, 2011
The wideband transceivers like the software defined radio require designing wideband RF hardware covering octave bands. The local oscillator of the mixer should be a wideband frequency synthesizer. Building on the theory of oscillations in the voltage controlled oscillator, the paper reviews the concept of negative resistance in the transistor circuit ...
Mehul R. Naik, C H Vithalani
openaire   +1 more source