WDM technology is a method for increasing the transmission capacity of optical fiber, but the transmission performance in WDM system with high speed and long distance is limited.
波分复用(WDM)技术是增大光纤传输容量的方法，但是在高速率、长距离wdm系统中传输性能受到限制。
So image compression coding of the original image is the most reasonable method that solves large amount of image data with limited storage capacity and transmission bandwidth contradictions.
因此将原始图像进行图像压缩编码是解决图像数据量大与有限存储容量和传输带宽矛盾的最合理方法。
This paper analyses the difficulties of design of large capacity window type air conditioner with limited volume, presents the design method, and makes calculation of its major parts.
本文对有限尺寸大冷量窗式空调器的设计难点进行了分析，提出了设计方案，并对其主要零部件进行了设计计算。
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