小: small; little; petty; minor信号: signal; semaphore; gun阻抗: impedance大信号阻塞: strong signal blocking强信号阻塞: strong signal blocking信号阻尼: signal damping小信号: dwarf signal; small signal; small-signal大小信号: high-low signal小信号参数: small signal parameter; small-signal parameters; smallsignalparameter小信号电导: small-signal conductance小信号电流: small signal current; small-signal current小信号电阻: small-signal resistance小信号范围: small signal region小信号放大: small signal amplification小信号分析: small signal analysis小信号工作: small signal operation小信号功率: small signal power小信号激励: small signal driving小信号跨导: small-signal transconductance小信号理论: small-signal theory小信号器件: small signal device小信号失真: small signal distortion小信号特性: small signal characteristics小信号响应: small signal response小信号性能: small-signal behaviour; small-signal performance