deep space communications

基本解释

We use constant envelope modulation techniques because of the channel characteristics of deep-space communications.
根據深空通信的要求，選擇恒包絡調制方式作爲深空通信的調制方式。
Convolutional coding has been in communication systems including deep space communications and wireless communication.
卷積碼編碼是深度空間通信系統和無線通信系統中常用的一種編碼方式。
In deep space communications, one of the problems is how to transmit message credibly in low signal-to-noise ratio(SNR)channel environment.
深空通信中麪臨的問題之一就是如何在低信噪比信道環境下可靠地傳遞信息。