转换器

In this dissertation, we consider following problems: priority-based wavelength assignment algorithm in restorable WDM transport networks, design of resilient WDM mesh networks, design protection for WDM networks without and with considering wavelength continuity constraint, efficient placement of wavelength converters.WDM Network will play important role in future backbone networks.

本文主要研究和WDM光传送网生存性有关的问题，主要集中在以下几个方面：抗毁WDM网络中的基于优先级的波长分配算法，网状WDM网络的抗毁设计，不考虑波长连续性限制时WDM网络的保护设计，以及考虑波长连续性限制时WDM网络的保护设计和波长转换器的合理放置。

The early Breeze, Fisher, and Ritchey mountain bikes used an eclectic mixture of components: Huret Duopar or SunTour VGT rear derailleurs, Simplex front derailleurs, SunTour Power thumb shifters, Magura motorcycle brake levers, and Mafac cantilever brakes.

早期的微风，费希尔和里奇山地自行车，使用了一个折衷的混合物组成部分：呼热图Duopar或山图变截面后方derailleurs，单纯前derailleurs，拇指山图电源转换器，马古拉摩托车制动杠杆，玛法科悬臂式制动系统。

The working principle of a novel short st roke linear DC motor wit h permanent magnet s is presented. Mixed digital - analog cont rol approach based on DSP ( TMS320L F2407A) is proposed. Displacement detecting and cont rol technique are discussed. Displacement detecting circuit s , digital - to - analog converter (DAC7641) expanded circuit s and cont rol software are given.

阐述了一种新研制的短行程永磁直流直线电机的工作原理，提出了基于DSP ( TMS320L F2407A)的短行程直流直线电机数、模混合伺服控制系统方案，重点对直线电机的位置检测及控制技术进行了研究，给出了DSP 控制器的位置检测接口电路、16 位双极性数模转换器(DAC7641)的扩展电路和控制软件的实现方法。

If you peer inside a used catalytic converter , nothing looks salvageable , much less valuable .

如果你仔细看看用过的触媒转换器里面，似乎没有什么可以回收利用，也不值钱。

The operating principles and design considerations for the proposed SEPIC PFC converter are analyzed and discussed in detail.

本文也针对SEPIC功率因数修正转换器操作原理和设计上的考虑，加以细节分析和探讨。

In view of this, SEPIC layout also is used at containing the power source converter with power corrective factor sometimes.

鉴于此，SEPIC结构有时也用于带有功率因数校正的电源转换器。

The isolated SEPIC converter working as a high-power-factor preregulator is studied in this thesis.

中文摘要本文探讨以隔离式SEPIC电力转换器作为AC-DC高功因前置稳压器。

The LT3581 is ideal for many local power supply designs as it can be configured as either a boost, SEPIC or an inverting converter.

LT3581非常适合许多本地电源供应设计，因其可配置为升压、SEPIC或负压转换器。

The observed stochastical disturbances occur freqently in temperature control systems composed of plate heat exchanger which is widely used in brewing industry.

提取被观察的随机干扰发生freqently在温度控制系统组成由板材是用途广泛在酿造工业的热转换器。

Aiming at the deficiency of the conventional electro-hydraulic proportional valves performance,such as response time and response speed,an ultra-high-speed electro-hydraulic proportional valve is proposed,and the structure of an electro-mechanical converter is put forward using eight pieces tegular Halbach magnet array with gaps.

针对常规电液比例阀在响应时间和响应速度等性能上的不足，设计了一种超高速电液比例阀，并且提出了8片瓦型有气隙Halbach磁化阵列型动圈式电-机械转换器。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。