1) adjustable phaser attenuation network
可调移相衰减网络
2) Attenuation adjustable
衰减可调
4) adjustable attenuator
可调衰减器
1.
A one—level adjustable attenuator is installed before the television suchthat the dynamic features can be obtained through the usual electronic measuring devices,and accordingly,the quality of the relevant circuits can be improved.
按照此法,只需在待测电视机前加一级可调衰减器,就能用常用电子仪器测出自动增益控制电路的动态特性,并以此为依据改善电视机相关电路的性能。
2.
According to different positions of the adjustable attenuator,modulators may be classified into two gapers.
根据可调衰减器所处位置的不同,把调制器分成两种类型,并通过具体分析,指出每种调制器的输出电平对载噪比的影响。
5) phase shift network
移相网络
1.
The purpose of this paper is to describe the operating principle and function of the phase shift network, and to analyse the high measuring resolution by means of phase shift network in subdivision circuit.
介绍了移相网络的原理和功能，通过移相网络电子细分技术提高测量分辨率。
2.
In this paper,it introduces the principle of phase shift encoder and equation development of the phase shift network based on rotary transformer from the theory and practiced aspects for systems;the error analysis of phase shifting encoder,the fail-safe analysis and the debug method are also expounded.
从理论和实践两个方面较为系统地论述了基于旋转变压器的移相编码原理及移相网络的公式推导,移相编码器的误差分析,可靠性分析以及调试方法等。
6) phase-shift network
相移网络
1.
The key technique in design and manufacture of unidirectional ECM is how to control the internal phase-shift network.
驻极体传声器目前主要是民用,单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
2.
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
随着对移动通信接收机低功耗、高集成的要求，零中频（ＩＦ＝０）结构体现了比传统超外差结构更大的优势，但由于常规零中频接收机采用单正交通道，这种结构对９０度相移网络的相位误差较为敏感，从而使得镜象抑制比下降，进而影响了零中频接收机的总体性能指标。
补充资料：相分离互穿网络聚合物
分子式：
CAS号：
性质：此种IPN中的各成分存在相分离，它是非均相的互穿网络聚合物，所以称为相分离互穿网络聚合物。
CAS号：
性质：此种IPN中的各成分存在相分离，它是非均相的互穿网络聚合物，所以称为相分离互穿网络聚合物。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条