Results 21 to 30 of about 443,600 (164)
Study of polarization conversion mechanism based on characteristic mode analysis
Electronics Letters, 2023 A theoretical explanation for the working mechanism of polarization conversion metasurfaces (PCMs) is provided based on characteristic mode analysis (CMA).
Yue Guo, Wei Song, Xin‐Qing Sheng
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THE ANALYSIS OF TOOTH AREA CHARACTERISTIC INFLUENCE ON WORKING CHARACTERISTICS OF ASYNCHRONOUS MOTOR
Вестник Северо-Кавказского федерального университета, 2022 The proportions of asynchronous motor tooth area were calculated based on verifying computation. The motor working characteristics with varied combination of modified tooth area characteristic were calculated.
Valery Marmyshev +2 more
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Advances in Mechanical Engineering, 2019 Concentric-track cutting method of a conventional polycrystalline diamond compact bit makes the bit suffer from inadequate rock-penetrating capacity and severely hinders the improvement of rock-breaking efficiency.
Haitao Ren +5 more
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Generalized spectral tests for the martingale difference hypothesis [PDF]
, 2003 ^aThis article proposes a test for the Martingale Difference Hypothesis (MDH) using dependence measures related to the characteristic function. The MDH typically has been tested using the sample autocorrelations or in the spectral domain using the ...
Velasco Gómez, Carlos +4 more
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Lubricants, 2023 Tilting pad journal bearings (TPJBs) are widely applied in the high-speed rotor system whose working speed is higher than its critical speed due to excellent hydrodynamic lubrication and stability.
Yingze Jin +3 more
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Study on the Working Characteristic of Overrunning Alternator Pulley of Automobile Generator
Jixie chuandong, 2020 The Overrunning Alternator Pulley （OAP） of automobile generator is more and more used because it can effectively improve the vibration of the front gear train of the automobile，thus increasing the service life of the gear train.
Yi Liu, Guoding Chen
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Study on Variable Working Condition Characteristics of 600 MW Direct Air Cooling Condenser
发电技术, 2022 The coal consumption of direct air cooling unit is higher than that of wet cooling unit, and its back pressure is easily affected by environmental factors.
AN Liuming +4 more
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Characteristic properties of axial stages of working machines
, 2020 This bachelor work is dealing with conclusion of basic characteristic of axial stages working machines. First part of this thesis presents the characteristics of principle behind every turbomachinery therefore not only the working machine but turbine as ...
Hejduk, Michal
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Development of hydraulic devices with elastic regulating elements
Вестник Самарского университета: Аэрокосмическая техника, технологии и машиностроение, 2023 Currently, when creating the actuators of deep-sea vehicles and other technical facilities, there is a tendency to accommodate the elements of the hydraulic drive outside the durable housing.
E. G. Berestovitsky +2 more
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Nonparametric tests of conditional treatment effects [PDF]
, 2009 We develop a general class of nonparametric tests for treatment effects conditional on covariates. We consider a wide spectrum of null and alternative hypotheses regarding conditional treatment effects, including (i) the null hypothesis of the ...
Whang, Yoon-Jae +5 more
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