impedance造句
151. It is showed that this calculation has features and methods of the impedance calculation of both phase displacement transformer and axial double split winding trans...
152. With many advances in measurement technique of mechanical impedance, the mechanical impedance has been extensively used in vibration study.
153. This paper studies the impedance characteristics seen by loss-of-excitation protection during out-of-step after losing field of a generator as well as the impedance locus when slip frequency varies .
154. However,[http:///impedance.html] many headphones have been sonically optimized to be driven by an output impedance of 120 Ohm.
155. In the compensation period of pressure increasing, brain impedance rises continuously while cerebrospinal fluid volume changes.
156. An active receiving antenna consisting of conical helix antenna and a negative impedance changing circuit is analyzed in this paper.
157. The device parameter as well as resonance frequency, mechanical quality factor and work band width were determined by the equivalent circuit input impedance admittance circle diagram.
158. Theory analysis proves that the output impedance of parallel system is reduced and the precision of output voltage is improved.
159. We insert a parasitic capacitance patch on the rear of the layer in order to adjust the impedance of antenna.
160. Objective To investigate the wave shape and wave amplitude of reconstructed impedance volume cardiogram.
161. The devices are ideal for portable, low power applications, especially with high source impedance.
162. Methods The mice model with VMC was established. CO was measured by impedance differential plethysmography, myocardial interstitial collagen was observed by staining with H.
163. They are used to enhance the gain of amplifier and realize the impedance matching, improve the current copying precision, decrease the tolerance of voltage gain.
164. The intensity of stress wave can be greatly decreased because of lower wave impedance and plastic deformation.
165. But sometime there are duplicate storage problems because of the impedance mismatch between object model and relational model.
166. Decreasing the permittivity of cable insulation or separating the cable conductor can increase the cable surge impedance and wave velocity, so as to improve the voltage waveform on stator terminal.
167. This paper analyses the rule of variations measuring impedance of distance relay when phase to phase fault occurs between two lines on double circuit line on the same pole (DLSP).
168. The major innovations of this antenna are: coupling With 3 concentric rings to achieve the impedance matching, enhance the near-field field intensity and make the standing-wave ratio lower than 1.
169. This paper established the overall design scheme for the system after analyzing the impedance characteristics of piezoelectric transducer.
170. It is introduced short circuit impedance method, low voltage impulse method and frequency response ...
171. It also should be noticed that whether there is restraint or not on top of the pile will have great influence on the impedance function.
172. Protective impedance and radio interference filters are disconnected before carrying out the tests.
173. The relationship of the fundamental-frequency impedance and the firing angle is the key factor in firing control of TCSC.
174. Open-circuit potential method, DC polarization method and AC impedance were applied to measure rebar corrosion.
175. The EMTDC simulations indicate that the method can find out the faulty line correctly and prove that the analysis of the angle-frequency characteristic of zero impedance of the line is correct.
176. An active antenna consisting of electrically small antennas and a negative impedance changing circuit is analyzed in this paper.
177. By using the arrays normalized general impedance matrix to express the mutual coupling between the elements, the characteristics of the covariance matrix of the adaptive arrays are analyzed.
178. Using this method, the EMC simulation model of seams can be created exactly. Second, introduces the basic theory of the transfer impedance method.
179. A network synthesis method of microwave solid state power amplifier impedance matching circuit is introduced in this paper.
180. Objective To Validte the Yeliabil of left ventricle ejection fraction ( LEF ) measured by reconstructed impedance cardiography ( RICG ).
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