相位对频率响应特性 相位对频率响应特性的英文 英语翻译 phase-versus-frequency response characteristic 拓展翻译 相位响应特性phase-response characteristic相对频率relative frequency相对频率图relative frequency diagram微分相位differential phase线性相位linear-phase相对相位relative phase相位phase相位比较器phase comparator相位比较式局限器phase localizer相位边限phase margin相位编码PE; phase encoding相位变换phase conversion; phase transformation相位差phase difference相位产生器phase generator相位常量phase constant相位常数phase constant相位衬phase contrast相位传播比phase-propagation相位导体phase conductor相位的phasic