impedance造句
241. In this paper, room sound field theory as the basis of measurement based on reverberation chamber and waveguide theory as the basis of measurement based on impedance tube are introduced.
242. The cardiovascular effects of nitrendipine (NT) were investigated in anesthetized dogs. The hemodynamics of NT was determined by an impedance cardiograph.
243. Objective To determine the manifestation of impulse oscillometry (IOS) in variation of respiration impedance on patients with extratracheal tumour.
244. well there is this initial impedance from explosion,[http:///impedance.html] sure the cannon ball can keep going horizontally but as soon that impedance goes it store its natural motion which is downward.
245. An incidence matrix, independent circuit matrix and complex impedance matrix containing mutual inductance are derived.
246. A new Capacitive - Gap - Coupled ( CGC ) band - pass filter based on SIR ( Stepped Impedance Resonators ) is presented.
247. In this paper, the impedance matching problem in high speed driving laser diodes is dealt with and tapered transmission lines are introduced as an impedance transformer to solve this problem.
248. The guard amplifier is a unity - gain amplifier with very high input impedance.
249. By using a simple operational transconductance amplifier (OTA) as a negative impedance used in VCO, the problem of confining VCO's oscillation to a desired range is solved.
250. Tower surge impedance is an important parameter for lightning protection design, but its value is not well determined.
251. The general test platform for actuator in flight control system is essential for the design and test of actuator's static and dynamic performance, impedance characteristic and its failure simulation.
252. At this moment, the excitation voltage transformer impedance and the system-to-ground capacitance come into being non-linear resonant circuit.
253. Resolving and fitting computation has been made on multicomponent impedance and admittance spectra of fast ion solid-electrode systems by least square method for tho two dimensional CHEBYSHEV set.
254. SEM and AC impedance spectroscopy analysis indicated that this is mainly due to the improvement of electrical conduction of grain boundary.
255. Each encounters a reflective surface, the echo on the oscilloscope screen displayed the impedance difference between the two interfaces also determine the level of echo amplitude.
256. This paper derived the measurement method of phase harmonic impedance.
257. The variations of terminal voltage and stator frequency with the load impedance and the load current are given out.
258. Generator neutral ground methods include non-ground, low impedance ground, high impedance ground and arc-suppression coil ground.
259. METHODS: The data of 191 normal volunteers were calculated to get the real part, imaginary part, amplitude and phase of electrical impedance, respectively.
260. The principal technique of reservoir thickness prediction is wave impedance characteristic analysis.
261. This area is often overlooked by engineers who assume zero impedance ground.
262. Still further, a controller may be coupled to receive a control signalcorresponding to a variable impedance level, and control a local oscillator coupled to the mixer responsive to the control signal.
263. It is not in need of buffer stage for cascading because of high input impedance.
264. Scanning electron microscope (SEM) and electrochemical impedance spectroscopy EIS results point out that the Mg-Li alloy performed better electrochemistry properties than pure Mg after lithiation.
265. ADO . NET Entity Framework addresses this impedance mismatch between object - oriented programming and data storage.
266. 'Zero Impedance Branch' model based on the character of PDN structure is introduced, then the ER model of PDMS AM/FM/GIS has been built, and the designing procedure is briefly described.
267. This article design a virtual system that can provide automatic matching for RFID antenna impedance.
268. It is showed that this calculation has features and methods of the impedance calculation of both phase displacement transformer and axial double split winding transformer.
269. What is the impedance of half wavelength single pole antenna?
270. The QSS (Quasi Steady State) model of converter which neglects the negative impedance of DC system will bring some errors when unbalanced fault occurs in AC system.
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