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121. In the far field, the wave impedance approaches a constant 377 ohm for any current distribution.

122. It shows that impedance relay is a kind of relay based on the concept of measuring impedance and distance relay is a relay which is typical of compensating voltage.

123. The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that it is of great applicat...

124. The article designed a circuit of body capacitance impedance measurement according to circuit of phase measurement and circuit of impedance measurement.

125. The AC complex impedance method is widely used to charactrize electronic materials.

126. Atrial systolic time intervals(ASTI )measured by cardiac impedance plethysmogram,[www.Sentencedict.com] phonocardiogram and electrocardiogram were studied in control and hypertensive subjects.

127. Furthermore, the formulae of transmitted power, loss power, attenuation constant and equivalent impedance for TM and TE modes are deduced.

128. Input impedance of a network when the output is short - circuited, shorted or grounded.

129. Here we designed a miniature coaxial - cavity using stepped impedance resonator ( SIR ) as resonator element.

130. A microwave three probe system has been used to study the changes of annular waveguide plasma source impedance with operational parameters.

131. The matching impedance and wastage relate to the TWT can or can not work up to snuff. They are the problems which need be solved when we design the input and output apparatus.

132. Based on transmission line theory and extraction method of active impedance of waveguide slot, a simplified computation method for the leaky-wall ridge waveguide filter is presented in this paper.

133. Estimation of potential shelf life of packaged pasteurized milk utilizing impedance method was studied.

134. From the batwing antenna feed system, the paper analyzes that he batwing antenna feed can solve the impedance shift, and the principles of transformation of balance and imbalance.

135. Secondly, the load impedance is calculated through the static I-V curve and then matched conjugately to the output circuits by using the optimization function in the software.

136. Noise: reflective caused by Impedance mismatch . the solution may : Reduce the number of impedance connectors.

137. Directional impedance relays (mho relays) are frequently used in high-voltage power systems.

138. The two-arm hemispherical helical antenna has very wide impedance and pattern bandwidth, and its gain in the whole band is larger and wave mildly, which show that...

139. Impedance characteristic is an important parameter of electronic components using in electronic circuitry.

140. Crosstalk is expressed in decibels at a specified load impedance and at a specific frequency.

141. According to the standing-wave ratio theory we worked out the expressions of the sensor probe impedance , and of voltage on the sensor, and we designed the structure of the probes.

142. The electric characteristic parameters of package for high speed ASIC include propagation delay, characteristic impedance, cross talk, parasitic inductance and capacitance.

143. A full-scale analysis of input impedance of the operational amplifier under the state of differential input is given here.

144. METHODS: An impedance measurement system was designed and implemented by timer, analog switch, sample and hold amplifier and A/D board.

145. The results show that the synthetic solution scheme is valid and efficient for noise separating and source impedance extraction. Technical and economic optimization are achieved in this scheme.

146. Proper impedance load can reduce RCS effectively, meanwhile antenna's gain and radiation efficiency are not affected.

147. These figures show that the improvement of input impedance is within a factor of ten.

148. An virtual electronic automatic matching system was designed, used for RFID antenna impedance.

149. Seismic impedance inversion throve from the 70s of 20 century, and change conventional seismic data into lithology data, which provide important information for oil-gas prospecting.

150. Objective To explore cardiac insufficiency patients cardiac function change by reconstructed impedance cardiogram.