high performance phased arrays
Code-Modulated Embedded Test of Low-Cost, High-Performance Phased Arrays.
... used to monitor local oscillator (LO) power at various nodes in an automotive radar chip and also in [Sle10] as a means to dynamically calibrate low-noise amplifier (LNA) performance. This method generates a DC ...
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Millimeter-wave phased arrays in silicon
... four-element phased-array transceiver at 77GHz in ...provides high-resolution phase shifting limited by the resolution of ...system performance in non-traditional ...
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Rigorous 3D Vectorial Gaussian Beam Modeling of Demultiplexing Performance of Virtually-Imaged-Phased-Arrays
... The VIPA principal demultiplexing system is depicted in Figure 1. The VIPA operation can be explained based on the Fabry-Per´ot etalon. It consists of two high reflective coated planes. The input (entry) side has ...
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An Implementation of Real-Time Phased Array Radar Fundamental Functions on DSP-Focused, High-Performance Embedded Computing Platform
... Typically, an HPEC platform for PAR accommodates a computing environment [4] consisting of multiple parallel processors. To facilitate system upgrades and maintenance, the multiprocessor computing and interconnection ...
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High-Precision Phase Shifting and Real-Time Calibration of Phased Arrays for Passive Millimeter-Wave Imaging Applications
... of phased arrays make it possible for passive millimeter wave imaging system to be uninterrupted working, which improve the stability and performance of the imaging ...the phased array channel ...
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Quantifying performance of ultrasonic immersion inspection using phased arrays for curvilinear disc forgings
... a high chromium martensitic stainless ...Imasonic phased array probe was used for the array scan and a 10 MHz GE 8” spherically focused probe was used for the single element ...
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Optimization-based Strategy for Polyomino Subarraying in Wideband Phased Array Design
... antenna arrays provide ultimate performance in areas where high directivity and electronic scanning are ...That performance is achieved by involving large number of radiators as well as ...
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Radiation Analysis of Phased Antenna Arrays with Differentially Feeding Networks towards Better Directivity
... the phased arrays can be used. The phased antenna arrays are feasible due to their flexibility in speed and multiple ...radiation performance of arrays from the antenna ...
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Using Spherical Shells for Gain Enhancement of Compact Wideband Phased Arrays
... wideband performance for multi-function and multi-channel ...is phased array antenna because of its ability to steer the beam very fast by an appropriate inter-element phase control ...Ideally, ...
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Enhancement of Phased Array Size and Radiation Properties Using Staggered Array Configurations
... wideband performance for multi-function and multi-channel ...is phased array antenna because of its ability to steer the beam very fast by an appropriate inter-element phase control ...Ideally, ...
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Position estimation with a millimeter wave massive MIMO system based on distributed steerable phased antenna arrays
... [25], high-accuracy localization with mmWave systems in applications related to assisted living and location awareness was ...achieving high-accuracy indoor localization.” The performance of ...
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Performance Analysis of Phased Array, Mimo and Phased Mimo Radars
... call phased-MIMO ...the phased-array radar, that is scanning the targets almost instantaneously by using electronic switching for beam steering at the transmitting ...sub- arrays that are allowed to ...
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Flow measurement based on two dimensional flexural ultrasonic phased arrays
... of flow velocity, but greater discrepancies are shown for flow velocities exceeding 15 m/s. There are a range of factors which can account for these differences. For instance, the non-invasive nature of the ultrasonic ...
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Diagnostic ultrasound probes: a typology and overview of technologies
... transducer arrays have good lateral and axial resolution, but elevation resolution is limited by the fixed-focus lens determining the image slice ...transducer arrays can provide a thin image slice over an ...
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Equivalent flaw time-of-flight diffraction sizing with ultrasonic phased arrays
... Ultrasonic phased array transducers can be used to extend traditional time-of-flight diffraction (TOFD) crack sizing, resulting in more quantitative information about the crack being ...
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Wideband 180 Degree Phase Shifter Using Microstrip-CPW-Microstrip Transition
... Microstrip antennas have been popular for decades because they exhibit a low profile,small size,lightweight,low manufacturing cost, high efficiency,and an easy method of fabrication and installation. Furthermore,they ...
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Synthesis of Conical Phased Antenna Arrays Optimization of Amplitude Distribution Parameters
... [7] Izhutkin V.S and Sharapov A.A. About Use Of Methods Of Convex Programming For Synthesis Of Conformal Arrays With Matched Dual-polarised Pattern. Proceedings of the VIII Interna- tional Conference on ...
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Behaviorally Modeled Code-Modulation Based Embedded Test for Phased Arrays.
... In the test setup, a millimeter-wave signal generator injected a 60 GHz single-frequency tone through the BIST path in a four-element receiver array with each element’s RF input left un-terminated. Each element path was ...
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INTERNATIONAL JOURNAL OF ENGINEERING SCIENCES & MANAGEMENT REVIEW PAPER ON SMART ANTENNA SYSTEM IN DIFFERENT ASPECT OF WIRELESS NETWORK Harish Sukumar 1, Manish Gurjar2
... robust high speed high-data-rate ...antenna arrays can be adjusted to form certain amount of adaptive beam to track corresponding users automatically and at the same time to minimize interference ...
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Analysis of Bent Ground plane on MIMO Antenna
... Antenna arrays used in MIMO systems are required to have high gain, wide lobe pattern, and high isolations between antenna ...the performance of MIMO antenna is degraded due to mutual coupling ...
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