【摘要】 针对广泛应用于微波光子系统中的相位调制到强度调制(PM-IM)转换进行了原理和方法特点的分析,总结了PM-IM转换的分类。根据PM-IM转换在微波光子滤波器、超宽带(UWB)系统、全光微波产生、光子微波频率变换和微波频率瞬时监测等领域中的重要应用做了详细的跟踪研究,阐述了PM-IM转换技术的优势。最后,指出PM-IM转换的发展趋势是提高转换速度和精度、减少插入损耗和提高系统的可靠性。更多还原

【Abstract】 The principle and technique characteristics of phase-modulation to intensity-modulation conversion(PMIM),which is widely used in microwave photonic system,are analyzed.Categories of PM-IM are summarized.The applications of microwave photonic filter,ultra-wideband(UWB)system,all-optical microwave generation, microwave frequency conversion and instantaneous microwave frequency measurement are introduced in detail,and the advantages of PM-IM are discussed.At last,it is pointed out that the research directions of PM-IM are improving rate and precision,reducing insert loss and improving system reliability.更多还原