misc. symmetrical filter
然而，DYNAS DSP的不对称滤波器响应往往意味着的T - 4970将很难锁定到一个以上的DX信号或信号之间的地方(第)。
However, the DYNAS DSP asymmetrical filter response often means the T-4970 will have difficulty locking on to a DX signal above or in between the local signal (s).
该光瞳滤波器由两个平行偏光镜，一个电光晶体与一个径向对称双折射晶体组成。
It consists of two parallel polarizers, an electro-optical crystal and a birefringent crystal with radial symmetry.
提出了一种基于不对称级联多电平逆变器(ACMI)的串联混合有源电力滤波器(SHAPF)及其控制策略。
This paper presents a series hybrid active power filter (SHAPF) based on asymmetry cascade multilevel inverter (ACMI) and its control strategy.
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