Results 91 to 100 of about 151 (141)
Analysis of Slot Coupling in a Radial Line Slot Antenna for DBS Reception
Analysis of Slot Coupling in a Radial Line Slot Antenna for DBS Receptionidentifier:oai:t2r2.star.titech.ac.jp ...
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Receptance coupling for end mills
International Journal of Machine Tools and Manufacture, 2003Abstract Identification of chatter free cutting conditions, the chatter stability lobes, requires a measurement of the frequency response function (FRF) of each tool mounted on the spindle. This paper presents a method of assembling known dynamics of the spindle–tool holder with an analytically modeled end mill using the receptance coupling technique.
Simon S Park, Yusuf Altintas
exaly +2 more sources
Multi-point coupling for tool point receptance prediction
Journal of Manufacturing Processes, 2019Abstract This paper describes a multi-point receptance coupling substructure analysis (RCSA) technique for tool point receptance prediction. The portion of the tool inside the holder is coupled to the portion of the holder that clamps the tool at multiple points along the insertion length. The coupling can be rigid or flexible-damped.
Tony L Schmitz +2 more
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Receptance Coupling for Micro-End-Milling
Advanced Materials Research, 2012Micro-end-milling tools are suitable for machining miniature parts which have complex shape. As the diameters of tools are too small, cannot directly obtain the frequency response functions (FRFs) through impact hammer test at tool tip. This paper employs Receptance Coupling method (RC), couple the tool tip’s FRFs with machine-toolholder system’s FRF ...
Zhen Yu Han +3 more
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Programmable-gain amplifiers based on AC couplings for continuous reception
2004 IEEE International Symposium on Circuits and Systems (IEEE Cat. No.04CH37512), 2004A change in the programmable baseband gain during reception can abruptly alter the output DC level, which degrades signal quality. Programmable-gain amplifiers (PGA), which do not produce such transients, can be designed by utilizing AC couplings. Two such PGA topologies based on switched parallel transconductors and switched resistive voltage dividers
Jarkko Jussila, Kari Halonen
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Spindle dynamics identification for Receptance Coupling Substructure Analysis
Precision Engineering, 2012Abstract In this paper, two techniques are described for experimentally identifying the spindle-machine receptances required for tool point frequency response prediction using Receptance Coupling Substructure Analysis (RCSA). In the RCSA approach, the tool–holder–spindle-machine assembly is separated into three components: the tool, holder, and ...
Uttara V. Kumar, Tony L. Schmitz
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The receptive field organization of X-cells in the cat: Spatiotemporal coupling and asymmetry
Vision Research, 1984The visual responses of retinal X-cells, recorded as s-potentials in the lateral geniculate nucleus (LGN), and geniculate X-cells, recorded as action potentials in the LGN, were studied in urethane anesthetized cats. We tested two widely held hypotheses: that the receptive field is (1) separable into spatial and temporal factors, and (2) even symmetric
S, Dawis +3 more
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Development of Inverse Receptance Coupling Method for Prediction of Milling Dynamics
ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 5, 2010Receptance coupling substructure analysis (RCSA) is extensively used to determine the dynamic response of milling tool at its tip for the purpose of prediction of machining stability. A major challenge in using this approach is the proper modelling of the joint between the substructures and determination of its parameters.
M. M. Rezaei +3 more
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Is resistive coupling feasible for the reception of power-line communications data?
2015 IEEE International Symposium on Power Line Communications and Its Applications (ISPLC), 2015Historically, two classes of coupling circuits have been used for power-line communications (PLC), being capacitive couplers and inductive couplers. In this paper, resistive coupling as a radical and novel approach is investigated specifically for the reception of PLC data.
Zwelibanzi W. Swana +2 more
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An Electromagnetically Coupled Active Flat Panel Antenna for DBS Reception
21st European Microwave Conference, 1991, 1991An active flat panel antenna offers a number of advantages for DBS reception. In this paper, a newly developed electromagnetically coupled active flat panel antenna which provides electronic beam-tracking is presented. The features of the antenna are: 1)series-parallel fed microstrip array is employed, 2)the array is excited electromagnetically by the ...
Takao Murata, Masaru Fujita
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