Various antenna systems are presented that have independently steerable receive and transmit beams. The antenna system may include multiple antenna element systems. Each antenna element system may include multiple phase shifters that alter the phase of received signals and signals to be transmitted. ...
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It has a measured beam divergence of 0.042°×0.031°, a field of view (FOV) of 6.6°×4.4°, and a response time of 5.7 μs. It is capable of providing about 25,600 rapidly steerable spots within its FOV. The grating phase shifters are optimized for the near-infrared telecom ...
The beam of the proposed plasmonic optical phased array is steerable in the far-field area and a high directivity can be achieved. In addition, radio frequency phased array theory is demonstrated to be applicable to the description of the coupling conditions of the delocalized surface plasmons in...
beams with a beam size of less than 1• will be installed. The NASA's ACTS satellite has hopping spot beams with a 0.3• beamwidth and a steerable beam with a 1• beamwidth in theKa band. The CRL's Gigabit Satellite has scanning spot beams using Ka-band active phasedarray ...
Phased Array System Toolbox™ provides algorithms and apps in MATLAB®and Simulink®for designing and simulating sensor array and beamforming systems in wireless communication, radar, sonar, and acoustic applications. You can model and analyze the behavior of active and passive arrays, including ...
Steerable— Phased arrays can be adjusted to reposition a lobe on-the-fly. The direction of the signal can be changed electronically to optimize the gain. This allows them to scan horizontally and/or vertically. Phased Array Operation Phased arrays implement what we call beamforming. This is do...
Finally, we use the OPA tweezers to demonstrate, to the best of our knowledge, the first cell experiments using single-beam integrated optical tweezers, showing controlled deformation of mouse lymphoblast cells. This work introduces a new modality for integrated optical tweezers, significantly expanding...
A method for inspecting a component includes exciting a number of transducers forming an array to produce an ultrasonic transmission beam (beam) focused into the component. The array and the component
8. The steerable phased-array antenna of claim 7, wherein the Wilkinson splitters incorporate a resistive element. 9. The steerable phased-array antenna of claim 8, wherein the Wilkinson power splitters are disposed on a support. 10. The antenna of claim 1, wherein the phase-shifting member...