Results 1 to 10 of about 156,809 (211)
Fully integrated millimeter-wave CMOS phased arrays [PDF]
, 2006 A decade ago, RF CMOS, even at low gigahertz frequencies, was considered an oxymoron by all but the most ambitious and optimistic. Today, it is a dominating force in most commercial wireless applications (e.g., cellular, WLAN, GPS, BlueTooth, etc.) and ...
Hajimiri, Ali
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Simulation Based Investigation of Focusing Phased Array Ultrasound in Dissimilar Metal Welds
Nuclear Engineering and Technology, 2016 Flaws at dissimilar metal welds (DMWs), such as reactor coolant systems components, Control Rod Drive Mechanism (CRDM), Bottom Mounted Instrumentation (BMI) etc., in nuclear power plants have been found.
Hun-Hee Kim +4 more
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Research on Spaceborne Multi-Beam Phased Array Fed Refl ector Antenna
天地一体化信息网络, 2022 Spaceborne multi-beam antenna is one of the main means to meet the needs of high-capacity and high-speed satellite communication services, and is widely used in various satellite communication systems.Various forms of antennas, such as spaceborne phased ...
Tao YANG, Lei LI, Yongqing ZOU
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International Journal of Distributed Sensor Networks, 2013 Near-field ultrasonic phased array theory is researched and utilized in the carbon-fiber wing box to identify the damage in the structure. Near-field ultrasonic phased array based structural health monitoring is researched to overcome the limitation of ...
Yajie Sun +3 more
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Acousto-optic signal processors for transmission and reception of phased-array antenna signals [PDF]
, 1991 Novel acousto-optic processors for control and signal processing in phased-array antennas are presented. These processors can operate in both the antenna transmit and receive modes.
Psaltis, Demetri, Riza, Nabeel A.
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On-dimensional off-chip beam steering and shaping using optical phased arrays on silicon-on-insulator [PDF]
, 2011 Optical beam steering can find applications in several domains such as laser scanning, LiDAR (Light Detection And Ranging), wireless data transfer and optical switches and interconnects.
Karel Van Acoleyen +4 more
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Phase control circuits using frequency multiplications for phased array antennas [PDF]
, 1973 A phase control coupling circuit for use with a phased array antenna is described. The coupling circuit includes a combining circuit which is coupled to a transmission line, a frequency multiplier circuit which is coupled to the combining circuit, and a ...
Caron, P. R., Mailloux, R. J.
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Improving elevation resolution in phased-array inspections for NDT [PDF]
, 2019 The Phased Array Ultrasonic Technique (PAUT) offers great advantages over the conventional ultrasound technique (UT), particularly because of beam focusing, beam steering and electronic scanning capabilities.
Brizuela, Jose David +4 more
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Phased array optimizing characteristics in HIFU device
Archives of Acoustics, 2003 For the high intensity focused ultrasound (HIFU) phased array frequency distribution pattern size and amount of the elements may affect the performance and cost of the HIFU device.
Qi Chen, Bin Xiong, Yazu Chen
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Phased array ultrasonic testing of micro-flaws in additive manufactured titanium block
Materials Research Express, 2020 While titanium components manufactured by additive manufacturing have been widely used in direct molding of complex components, their performance is strongly affected by existing internal flaws generated in the unique manufacturing process.
Xiaohui Wang +6 more
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