从理论上分析了各种半导体光放大器波长转换器的转换原理，并给出了它们的各种结构。
The principle of the conversion is theoretically analysed for wavelength converters with semiconductor optical amplifier, and their structures are giver.
介绍了IRIG-B码对时的概念、IRIG-B码对时模块的组成，其组成部分包括微处理器、电平转换器件、光耦隔离器。
The paper introduces the time synchronization conception of the IRIG-B format code and its module constructions which include microprocessor, level converter and optically coupled isolator.
升压转换器，是常用的在变压器少变频器调节光伏阵列电压，为显示图。
Boost converter is commonly used in transformer-less inverters to regulate PV array voltage, as shown in Fig.
讨论了基于半导体激光放大器的波长转换器，它是光交换块中的关键元件，也是未来光通信系统中的关键元件。
Optical Wavelength converters based on semiconductor laser amplifiers are discussed, which is key components in photonic switching blocks, and also necessary devices in future optical communication.
集成光学模转换器是光开关，光调制器，光学滤波器的重要组成部分。
Integrated optical mode converter is an important component of optical switches, modulators and filters.
第二部分是光纤传输和光电转换器，从传感头输出的频率调制信号驱动装在高压端的发光二极管，进而转换成光脉冲信号；
The first one is a sensor head converting the current flowing in the power line into the optical pulse FM signal. The second one is optical fiber transmission and optolectric conversion.
采用选择区域生长、量子阱混杂和非对称双波导技术制作了电吸收调制器与半导体光放大器和双波导模斑转换器的单片集成器件。
On the basis of the study of the single circular groove guide and symmetric double circular groove guide, a new structure, asymmetric double circular groove guide, has been put forward.
光开关、波分复用器、光电收发器、协议转换器、低成本宽带接入方案、电子电缆等通信产品；
Light switcher, WDM, photoelectric transceiver, protocol converters, low-cost broadband solutions and other electronic and communication products;
光开关、波分复用器、光电收发器、协议转换器、低成本宽带接入方案、电子电缆等通信产品；
Light switcher, WDM, photoelectric transceiver, protocol converters, low-cost broadband solutions and other electronic and communication products;
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