新式的四分频器工作于3.5 ~ 13.0GHz频率。
The new divide-by-four device operates across 3.5 ~ 13.0 GHz frequencies.
这种系统通过四频蜂窝信号发生器或卫星与基站通讯，可以在一些潜在的不易操作的水、油、气和电力系统上广泛部署。
It communicates with the base station via quad-band cellular signals or via satellite, allowing it to be deployed within a wide range of potentially hostile water, oil, gas and electricity networks.
本文首先介绍了一种毫米波段具有镜频抑制功能的四次谐波混频器的设计与实现。
At first, the design and implementation of MMW hybrid integrated sub-harmonic image rejection mixer is presented in this paper.
增量式磁旋转编码器作为转角位置传感器，可以用四倍频的方法提高其测量精度。
The incremental magnetic rotary encoder, as a corner position sensor, can be improved its measure accuracy by the way of quadruplicated frequency circuit.
本文研究了V波段四倍频器的设计和研制方法。
This thesis presents the design and manufacture of a V-band frequency quadrupler.
介绍了光电编码器脉冲四倍频电路及与计算机的脉冲接口。
The photoelectric encoder quadruple circuit and its pulse interface with computer are presented.
本文主要讨论x波段四倍频器微带结构的实现途径。
In this paper the realization approach of X-band four-frequency multiplier microstrip structure is discussed mainly.
通过对四能级均匀加宽激光器单频功率的分析得到最大单频输出功率的简化解析结果；
A simplified analytical expression of maximum single frequency output is obtained by the analysis of a homogeneously broadened four-level system;
为了提高编码器反馈信号的分辨率，本系统还进行信号四倍频处理技术研究，并设计了原理电路。
To raise the resolution capacity of the encoder feedback signal, this paper still study the technology of having signal frequency 4 times handled, and designs the principle circuit.
为了提高编码器反馈信号的分辨率，本系统还进行信号四倍频处理技术研究，并设计了原理电路。
To raise the resolution capacity of the encoder feedback signal, this paper still study the technology of having signal frequency 4 times handled, and designs the principle circuit.
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