Air Force-funded researchers at HRL Laboratories in Malibu, Calif., are working on holographic impedance surfaces for antennas that will give aircraft improved aerodynamics.
受到美国空军资助的加州马里布hrl实验室的研究人员正在致力于天线的全息阻抗表面研究，以此为飞机提供更好的空气动力性能。
The impedance characteristics of the cactus antenna are analyzed, and the principle of the cactus antenna working well over wide frequency band is explained.
用多端口网络理论分析该天线的阻抗特性，阐明该天线能够实现宽频带工作的原理。
This paper gives a theoretical description of the working modes and impedance matching conditions of a 3-port broadband waveguide circulator.
本文对波导环行器的工作模式和阻抗匹配进行了理论探讨。
An integrating amplifier working together with the infrared detectors with high impedance, for example InSb (pv), will be here introduced.
本文介绍一种与高阻红外探测器相匹配的积分放大器，用来读出探测器的输出信号。
The calibration of four-terminal-pair(4TP) impedance meters at their working frequencies requires the knowledge of 4TP standard capacitor frequency characteristic.
对四端对阻抗测量仪在其使用频段内进行校准，须确定四端对标准电容器的频率特性。
Investigating the electrical impedance and working characteristic of the ultrasonic transducer.
分析超声换能器的等效电路特性。
Investigating the electrical impedance and working characteristic of the ultrasonic transducer.
分析超声换能器的等效电路特性。
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