spatial phase modulation中文什么意思

例句与用法

1. the hybrid method can simulate accurately both the imaging and polarization-dependent diffraction characteristics of a concave grating . to meet the growing need for flattened passband in a practical wdmsystem, three design methods, namely, the tapered output waveguide structure with air-slots, the three-focal-point method and the analytical method of spatial phase modulation, are introduced to achieve a passband-flattened diffraction grating device
   针对实际光通信应用中对通带带宽的需求，本文提出了“结合空气槽的渐变输出波导结构方法”、“三焦点方法”及“显式公式空间相位调制法”三种使平面集成型衍射光栅波分复用器件获得平顶型频谱响应的优化设计方法。