本模型的主要特征是反应现代信号处理装置效应传输损伤因数的使用。
A major feature of this model is the use of transmission impairment factors that reflect the effects of modern signal processing devices.
SDH指针调整引起的抖动是SDH网中重要的传输损伤，如何抑制指针调整引起的抖动已经成为SDH系统设计中一个关键的问题。
The jitter induced by pointer adjustment is one of the main impairments in SDH network, how to reduce it is a key problems in SDH system design.
放射外科所用高能X射线必须提供毫米以下精度的能量传输才能避免损伤周围器官和健康组织。
High X-ray doses prescribed for radiosurgery must be delivered with sub-millimetre precision to avoid damaging nearby organs and healthy tissue.
前向纠错技术作为解决一切物理损伤、保障系统可靠性、提高传输距离的关键因素成为目前的研究热点。
As a key factor in solving all physical damage, the forward error correction technology which can protect system reliability and increase the transmission distance is becoming the hotspot.
光学系统的杂散光极易在系统内形成多个鬼像，这不仅严重影响光束质量和传输特性，并可能对系统光学元件造成永久性损伤。
Stray light generated in optical system forms a lot of ghost images, which not only seriously influence the beam quality and propagation properties, but also damage optical components.
主要介绍了数字微波传输中无损伤切换的作用和基本原理。
The function and principle of hitless switch in digital microwave system are introduced.
光学系统的杂散光极易在系统内形成多个鬼像 ，这不仅严重影响光束质量和传输特性 ，并可能对系统光学元件造成永久性损伤。
Stray light generated in multi-pass amplification forms a lot of ghost images, which not only seriously influence the Laser beam quality and propagation p rope.
光学系统的杂散光极易在系统内形成多个鬼像 ，这不仅严重影响光束质量和传输特性 ，并可能对系统光学元件造成永久性损伤。
Stray light generated in multi-pass amplification forms a lot of ghost images, which not only seriously influence the Laser beam quality and propagation p rope.
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