...选频特性；回热器；谐振频率；复流容；品质因数 [gap=1336]Key words: refrigeration and cryogenic engineering; frequency-selection characteristic; regenerator; resonant frequency; complex compliance; quality factor ..
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布喇格结构通常是一种具有连续性波纹相位的周期结构，有良好的选模、选频特性。
Bragg structure is usually a kind of periodic structure with continuous corrugation phase, which has excellent mode selectivity and frequency selectivity properties.
利用线路的分布参数电路理论，分析了线路的选频特性，提出了广域系统低频振荡的谐振传播机理。
The characteristic of selecting frequency of lines is analyzed based on distributed parameter circuit theory. Then, the resonance mechanism of low frequency in wide area is proposed.
采用窄带滤光片作为选频元件对精确波长激光器高频调制特性进行了小信号分析。
The small signal analysis for high frequency modulation characteristics of specific wavelength laser diode with narrowband filter was presented.
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