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|  | | 为了更好的帮助您理解掌握查询词或其译词在地道英语中的实际用法,我们为您准备了出自英文原文的大量英语例句,供您参考。 | |
Aiming at a 300 MW turbo-generator model, the sensitivity of natural torsional frequencies and modes of torsional vibration (TV) to the rotational inertia and stiffness of the turbo-generator were analyzed.
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Calculation results show that the variation of the rotational inertia or stiffness either of the rotor system as a whole (namely shafting) or only locally may both remarkably influence the TV characteristics of the rotor.
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The segments on the shafting, which contribute more to a certain mode of vibration, have a greater influence on the pertaining order of TV.
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Thus, frequencies can be modulated by modifying the local construction of the rotor to make the natural TV frequency of a certain order avoid some specific value, herewith arriving at the objective of tuning.
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Therefore, it is very important, in the course of modeling for the purpose of studying the TV of the shafting of a turbo-set, to accurately determine the structural parameters of parts that have a relatively sensitive effect on the TV behavior.
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Positioning models and systems based on digital television broadcasting signals
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The requirement and feasibility of the positioning system using digital television (DTV) broadcasting signals are analyzed.
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The Use of Television Signals of Stationary Television Centers for Navigation Determination of Low-Orbit Satellites
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For systems of autonomous satellite navigation, it is proposed to use television signals of stationary television centers positioned along the flight path in the band of satellite radio coverage as sources of primary navigation information.
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Television signal processing allows one to determine the time instants of transit through traverses of the television centers.
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This work is motivated from and useful in object-based video coding, where a segmented moving object may have arbitrary shape and block transform coding of this object is needed.
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It can increase the processing speed by about 66%, work at 59 MHz, and meet the real-time needs of the video encoder.
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Super-resolution image reconstruction methods attempt to create a single high-resolution image from a number of low-resolution images (or a video sequence).
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Morphological preparations were processed using a computer video analyzer.
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Shape and surface cell activity were investigated by time-lapse video microscopy, and changes of the cytoskeletal structure were studied by immune fluorescent microscopy.
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Calculation results show that the variation of the rotational inertia or stiffness either of the rotor system as a whole (namely shafting) or only locally may both remarkably influence the TV characteristics of the rotor.
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Therefore, it is very important, in the course of modeling for the purpose of studying the TV of the shafting of a turbo-set, to accurately determine the structural parameters of parts that have a relatively sensitive effect on the TV behavior.
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The output power of the signals is 10 and 75 W, respectively; the gain of the channel amplifiers is 40 dB; and the amplified signals are the video and audio signals of the TV channel 12.
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We consider a mechanism for the formation of superhumps in the TV Col system, based on the possible existence of a precessional spiral wave in the accretion disk of the system.
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By representing the TV channel's impulse responses in the delay-Doppler spread domain, the discrete-time canonical model of CDMA-TV systems is developed and a subspace method to identify blindly the Time-Invariant (TI) coordinates is proposed.
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