Results 11 to 20 of about 761,718 (286)
Error-resilient Floquet geometric quantum computation [PDF]
Physical Review Research, 2021 We propose a geometric quantum computation (GQC) scheme, called Floquet GQC (FGQC), where error-resilient geometric gates based on periodically driven two-level systems can be constructed via a non-Abelian geometric phase proposed in a recent study [V ...
Yuan-Sheng Wang +3 more
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Geometric property of off resonance error robust composite pulse [PDF]
Scientific Reports, 2022 The precision of quantum operations is affected by unavoidable systematic errors. A composite pulse (CP), which has been well investigated in nuclear magnetic resonance (NMR), is a technique that suppresses the influence of systematic errors by replacing
Shingo Kukita +2 more
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Design and Vision-Based Calibration of a Five-Axis Precision Dispensing Machine [PDF]
MicromachinesFive-axis precision dispensing machines are employed for semiconductor packaging. The dispensing accuracy is significantly affected by multiple geometric errors among the five axes.
Ruizhou Wang +5 more
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The influence of different load distribution considering geometric error on the fatigue life of ball screw [PDF]
Scientific ReportsThe ball screw pair is a precision drive component that converts rotary motion into linear motion. In practical applications, because the feed system usually has rotational torque and geometric errors, it may increase the contact load of the ball screw ...
Qin Wu +3 more
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Uncertainty evaluation of multilateration-based geometric error measurement considering the repeatibility of positioning of the machine tool [PDF]
Metrology and Measurement Systems, 2023 The sequential multilateration principle is often adopted in geometric error measurement of CNC machine tools. To identify the geometric errors, a single laser tracker is placed at different positions to measure the length between the target point and ...
Xingbao Liu, Yangqiu Xia, Xiaoting Rui
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High-Precision Automatic Calibration Modeling of Point Light Source Tracking Systems
Sensors, 2021 To realize high-precision and high-frequency unattended site calibration and detection of satellites, automatic direction adjustment must be implemented in mirror arrays.
Ruijin Li +6 more
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The geometric error for homographies [PDF]
Computer Vision and Image Understanding, 2005 We address the problem of finding optimal point correspondences between images related by a homography: given a homography and a pair of matching points, determine a pair of points that are exactly consistent with the homography and that minimize the geometric distance to the given points.
Chum, Ondra +2 more
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Geometric View of Measurement Errors [PDF]
Communications in Statistics - Simulation and Computation, 2011 The slope of the best fit line from minimizing the sum of the squared oblique errors is the root of a polynomial of degree four. This geometric view of measurement errors is used to give insight into the performance of various slope estimators for the measurement error model including an adjusted fourth moment estimator introduced by Gillard and Iles ...
O'Driscoll, Diarmuid, Ramirez, Donald E.
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Machines, 2022 Four-axis machine tools with two rotary axes are widely used in the machining of complex parts. However, due to an irregular kinematic relationship and non-linear kinematic function with geometric error, it is difficult to analyze the influence the ...
Guojuan Zhao +5 more
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A novel geometric error identification and prediction approach [PDF]
MATEC Web of Conferences, 2022 This paper proposed an integrated geometric error identification and prediction method to solve the uncertainty problem of the PDGEs of rotary axis.
Fan Jinwei, Wang Peitong, Li Zhuang
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