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1)  alternate channel
备择信道
2)  alternate channel interference
备择信道干扰
3)  channel selection
信道选择
1.
Research on channel selection algorithm in cognitive wireless network
认知无线网络中信道选择算法研究
2.
A novel multiple access protocol, namely channel selection collision avoidance (CSCA) protocol, was proposed for efficient channel sharing in wireless ad hoc networks.
为了有效利用无线Ad Hoc网络中的信道资源,提出了一种多址接入协议,即信道选择冲突避免(CSCA)协议。
3.
An channel selection method based on tolerable noise was put forward, from the image itself future, every channel s maximum watermark amplitude can be obtained while meeting conditions of invisibility as well as combining with human visual system and noise visibility function.
该文提出了一种基于噪声允许的信道选择方案,根据图象自身特点,结合人眼视觉模型和噪声可见性函数,找出了在满足不可见性条件下每个信道可嵌水印的最大强度。
4)  spare channel
备份信道
1.
This paper introduces the design and operation principle of multi-functionmodel plate based on STD general line,Which integrates the functions of match dogs logic,spare channel display logic,channel trouble or hardware trouble display logic,data mistake,channel exchange alarm and channel trouble alarm.
文章介绍了集电子狗逻辑、备份信道显示逻辑、信道故障或硬件故障显示逻辑及数据错、切换信息报警、信道故障报警为一体的采用STD总线多功能模板诸模块的设计思想和工作原理。
5)  Backup channel
备用信道
6)  level reserve of transmission channel
信道储备
补充资料:备择假设
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性质:通过检验表征总体分布特性的数字特征平均值和方差对样本进行统计检验以确定各样本是否来自同一总体时,需事先做出两种统计假设。以检验平均值为例,一种是假设它们来自同一总体,该假设记为H012;另一种是假设非来自同一总体,此假设记为H11≠μ2。因为在检验时总是先假设是来自同一总体,因此将H0称为原假设。只有在根据样本值进行检验的结果,在一定置信度下与原假设v0有显著性矛盾时,才代之以接受另一假设H1,故将H1称为备择假设。

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