... frequency tracker 频率跟踪器 frequency transformation 频率变换 frequency transformer 变频器，频率变换器 ...
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Audio frequency transformation 音频转换
nonlinear frequency transformation 非线性频率变换
high frequency transformation 高频转化
volt-frequency transformation 伏频变换
high-frequency transformation 高频转化
time-frequency transformation 时频变换
voltage frequency transformation 电压频率转换
A frequency transformation expression from triple-band filter to low-pass prototype filter is presented, and the synthesis theory for in-line and cross-coupled triple-band filter is developed.
三、提出了三通带滤波器到归一化低通原型滤波器的频率变换公式,建立了级联型和交叉耦合型三通带滤波器的综合理论。
参考来源 - 基于频率变换法的多通带微波滤波器综合方法研究·2,447,543篇论文数据，部分数据来源于NoteExpress
This article analyses the applications and procedures in frequency transformation of multiplier from principle.
该文从原理上分析了相乘器在频率变换中的应用及过程。
This paper tries to discuss the work principle of frequency transformation on the circuit where diodes work on on-off speciality.
该文系统地讨论二极管工作在开关特性下所组成电路的频率变换的工作原理。
The key of realizing convolution filter, which processes discrete signals, is to design expectant frequency transformation of filters.
实现对离散信号数字处理的卷积滤波关键是设计期望的滤波器频谱。
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