本文主要研究了波分复用光传送网中波长转换器优化配置问题，有限范围波长转换问题，以及虚拓扑设计问题。
This dissertation manly focuses on the issues of wavelength converter optimal placement, limited-range wavelength conversion and virtual topology design.
理论分析和实验结果表明，该转换器可以在较宽的输入电压范围内获得较高的转换效率。
Both theoretical analysis and experimental results show that the AC DC converter has high efficiency over a wide range of input voltage.
为了要抑制噪声效应，它包括量子化噪声，积分仪和模拟-数字 转换器要求宽动态范围，高增益和良好的分辨率。
Wide dynamic range, high gain and fine resolution are required of integrators and Analog to Digital Converters in order to limit the effects of noise, including quantization noise.
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