调谐

The hybrid GA combined with multi-port microwave network parameters is used to analyze the electric properties of multiple-tuned antenna system. The electric property of each working state of the antenna system is calculated.

采用混合遗传算法结合多端口等效微波网络参数的方法，对多组倒L形山谷天线进行多路调谐的研究，求解了天线系统在各个工作状态下的电参数。

Being associated with three research projects, this dissertation makes deeply insight into the fast and accurate analysis, optimal design and manufacture of HF and VHF/UHF broadband omnidirectional miniature loaded wire antennas, loaded helical antennas and multiple-tuned VLF inverted L valley span antennas.

本文密切结合&十五&国防预研项目&软件无线电天线&和&宽带小型化天线&以及国防重点项目&某长波台发信天线电气参数分析与设计&等项目，研究了短波和超短波频段上的宽频带加载线天线、加载螺旋天线和超长波倒L形多路调谐山谷天线的快速精确分析、优化设计以及样机制作。

In all in a series VALUESTAR N it will be released three new models, which are characterized by the model of processor, by the capacity of hard disk and by the presence of digital TV- tuner.

在所有的一系列VALUESTAR 将推出三款新车型，它的特点是模型的处理器，通过能力的硬盘和存在的数字电视调谐器。

In all in a series VALUESTAR N it will be released three new models, which are characterized by the model of processor, by the capacity of hard disk and by the presence of digital TV- tuner.

在所有在一系列的Valuestar n ，它将会被释放了三款新机型，其特点是由模型的处理器，由容量硬盘和在场的数字电视调谐器。

Pinout: This series of silicon tuning varactors have an epitaxial mesa design with a high temperature passivation.

A引脚说明：这种硅调谐变容二极管系列与高温钝化外延台面设计。

The parasitic effects of RF-IC passive devices such as inductors and varactors and the design guidelines for the on-chip spiral inductors are included too.

以低压、低功耗、低相位噪声和较大调谐范围为原则完成压控振荡器的电路结构设计。

The feasibility of a varactor-based adaptive matching network for antenna mismatch correction is investigated. A LC-resonator-based Π-section network is optimized for its performance, in terms of operation power gain, Smith Chart coverage, and effective capacitance tuning range of the varactors.

对适用于天线失配修正的基于可变电容构建的自适应匹配网络进行了可行性分析，重点对基于LC谐振腔所设计的Π型匹配网络从功率增益、史密斯圆图覆盖率和可变电容有效调谐范围几个方面进行了性能优化。

This technology is used to produce abrupt tuning varactor in SOT23 package.

这项技术是用来生产SOT23封装突然调谐变容二极管。

It analyses the physical structure and electrical characteristic of varactor and introduces the general theories and typical circuit of electric tune filter.

本文对变容二级管的物理结构和电特性进行了分析，介绍了电调谐滤波器的一般理论和典型电路。

The skin effect of the varactor series resistance is considered and the designing approach of the double-tuned signal circuit discussed as well.

本文叙述了用于卫星通讯地面站的4千兆赫非冷参放的电路设计，考虑了变容二极管串联电阻趋肤效应的影响以及讨论了双调谐信号电路的设计方法。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。