signal-to-channel noise ratio的意思|示意

This letter mainly deals with the base of adaptive modulating technique: Channel estimation technology and the signal to noise ratio vs. error bit rate performance of MQAM.

本文主要研究自适应调制技术的基础：信道估计技术、MQAM信噪比误比特率性能。

The signal to noise ratio in the deep space communication channel is so low that high quality channel coding scheme is essential for deep space comnunication systems.

由于深空信道的极低的信噪比，具有高增益的信道编码技术是深空遥测系统必不可少的环节。

In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio (SNR) channel environment.

深空通信中面临的问题之一就是如何在低信噪比信道环境下可靠地传递信息。

This paper presents a blind algorithm to estimate the signal-to-noise ratio(SNR) of a communication signal in multipath Rayleigh fading channel .

提出了一种在多径瑞利衰落信道中的信噪比盲估计算法。

On the other hand, signal-to-noise ratio is estimated to provide a switching and power control and channel allocation algorithm for the channel quality information.

另一方面信噪比估计提供了切换，功率控制和信道分配算法所需的信道质量信息。

What is the channel capacity for a teleprinter channel with a 300-hz bandwidth and a signal-to-noise ratio of 3 dB, where the noise is white thermal noise?

一个电传打印机的带宽是300hz，信道内所传信号的平均功率与白热噪声功率的比值为3分贝，问其信道容量是多少？