gaussian channel中文什么意思

例句与用法

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1. In chapter 3 , we describe the bosonic quantum gaussian states as well as quantum gaussian channels
   第三章叙述了玻色量子高斯态和量子高斯信道。
2. For example , the average number of retransmissions can be decreased 50 % at 1 db snr in the gaussian channel and 9 db snr in the rayleigh channel
   如在高斯噪声环境下，信噪比为1db时减少超过50 % ；在瑞利噪声环境下，信噪比为9db时也减少了50 % 。
3. The amazing character of the quantum capacity of gaussian channel is that planck constant h takes over the place of input power restriction of classical capacity
   高斯信道量子容量的迷人特征是普朗克常数h取代了经典容量中输入信号功率限制条件的位置。
4. Considering the payload when transmitted in gaussian channel according to information theory , the system builds up a mapping relationship between image space and watermarking space , and achieves the trade - off between theoretic capacity , robustness and perceptual distortion
   考虑高斯信道传输时信息理论的容量，系统建立了图像空间和水印空间的影射关系，实现了水印系统应用时的理论容载、鲁棒性和人类感官之间的一种平衡关系。
5. This thesis presents the acquisition method of synchronization codes and time mark codes under - 20db gaussian channel . then the total step length between initial state and current state can be calculated . basing on the step length , we can deduce the current state of pseudo - random codes , and implement the acquisition of the special pseudo - random codes
   本文设计出时间标记码在信噪比达- 20dd时的捕获方案，在此基础上提出了由伪码历经的状态数，计算子码当前状态的方法，从而获得了在30秒内完成导航定位卫星信号直接捕获的方法与实现方案。