Results 261 to 270 of about 58,504 (315)

A low-voltage-driven MEMS ultrasonic phased-array transducer for fast 3D volumetric imaging. [PDF]

Microsyst Nanoeng
Zhang Y, Jin T, Deng Y, Zhao Z, Wang R, He Q, Luo J, Li J, Du K, Wu T, Yan C, Zhang H, Lu X, Huang C, Gao H.   +14 more
europepmc   +1 more source

Crack Detection Method for Wind Turbine Tower Bolts Using Ultrasonic Spiral Phased Array. [PDF]

Sensors (Basel)
Sun H, Dong J, Diao X, Huang X, Huang Z, Cai Z.   +5 more
europepmc   +1 more source

A Wide-Band Low-Profile Antenna for a High-Integration Phased Array System. [PDF]

Sensors (Basel)
Liu H, Liu J, Huang J, Han C, Chen B, Liu Y, Xiang Y.   +6 more
europepmc   +1 more source

A Phased Array-based Method for Damage Detection and Localization in Thin Plates [PDF]

Structural Health Monitoring, 2009
A method for damage localization based on the phased array idea has been developed. Four arrays oftransducers are used to perform a beam-forming procedure.
Pawel Malinowski, Tomasz Wandowski, Irina Trendafilova   +2 more
exaly   +2 more sources

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Array of Arrays: Optimizing Phased Array Tiles

IEEE Antennas and Wireless Propagation Letters, 2021
This letter discusses some of the challenges for realizing large millimeter-wave phased array antennas using multiple scalable arrays (tiles). The letter uses the radiation pattern multiplication and the array of arrays concepts to analyze the effect of the tiling gap on the large array radiation pattern.
Ahmed Shehata Abdellatif, Wenyao Zhai, Hari Krishna Pothula, Morris Repeta   +3 more
openaire   +1 more source

The NMR phased array

Magnetic Resonance in Medicine, 1990
Abstract We describe methods for simultaneously acquiring and subsequently combining data from a multitude of closely positioned NMR receiving coils. The approach is conceptually similar to phased array radar and ultrasound and hence we call our techniques the “NMR phased array.” The NMR phased array offers the signal‐to‐noise ratio ...
P B, Roemer, W A, Edelstein, C E, Hayes, S P, Souza, O M, Mueller   +4 more
openaire   +2 more sources

Optical phased array with on-chip phase calibration

Optics Letters, 2022
Optical phased arrays (OPAs) with phase-monitoring and phase-control capabilities are necessary for robust and accurate beamforming applications. This paper demonstrates an on-chip integrated phase calibration system where compact phase interrogator structures and readout photodiodes are implemented within the OPA architecture. This enables phase-error
Mathias Prost, Jon Øyvind Kjellman, Sarvagya Dwivedi, Aleksandrs Marinins, Hemant Kumar Tyagi, Tangla David Kongnyuy, Philippe Soussan, Marcus S. Dahlem, Xavier Rottenberg, Roelof Jansen   +9 more
openaire   +2 more sources

Reverse Phase Protein Arrays

2020
Reverse phase protein arrays (RPPA) are used to quantify proteins and protein posttranslational modifications in cellular lysates and body fluids. RPPA technology is suitable for biomarker discovery, protein pathway profiling, functional phenotype analysis, and drug discovery mechanism of action.
Justin B, Davis, Sydney, Andes, Virginia, Espina   +2 more
openaire   +2 more sources