1)  spatial time-frequency distribution
空时频分布
2)  modified spatial time-frequency distribution matrix
修正空时频分布矩阵
1.
Estimation of direction-of-arrival by using modified spatial time-frequency distribution matrix;
基于修正空时频分布矩阵的到达角估计
3)  space-time
空时
1.
In this paper the performances of differential space-time unitary group code is simulated on slow Rayleigh fading channel in MATLAB on the basis of introducing the principle of differential space-time unitary group code,and compared with STBC of perfect channel estimates under same channel conditions.
首先介绍了差分空时酉群码的编译码原理,在此基础上,在MATLAB中对瑞利慢衰落信道下的差分空时酉群码的性能进行了仿真,并与相同信道条件下具有理想信道估计的空时分组码的性能进行了比较,仿真和分析结论表明了差分空时码的优越性。
4)  residence time
空时
5)  rate of non-occupied time
空时得率
1.
A soft-sensing on the rate of non-occupied time and catalyzer selection of process of synthetic acid ethene in a refinery was studied.
以某石化厂乙烯气相法合成醋酸乙烯反应过程的空时得率和催化剂选择性软测量建模为研究对象,基于现场采集数据及机理分析,确定了辅助变量。
6)  vacuum aging
真空时效
1.
Marc,the transient temperature state during vacuum aging process of GH4169 parts was simulated,the thermal hysteretic time of vacuum heat treatment process was predicted.
Marc对GH4169合金件真空时效过程中的瞬态温度场变化进行了模拟计算,预测了工件真空热处理过程加热滞后时间,对整个温度场变化过程进行了试验测量,模拟结果和试验结果吻合较好,为真空热处理虚拟生产和工艺参数优化提供了理论依据。
参考词条
补充资料:哭李频员外时在建川
【诗文】:
出麾临建水,下世在公堂。
苦集休开箧,清资罢转郎。
瘴中无子奠,岭外一妻孀。
定是浮香骨,东归就故乡。



【注释】:



【出处】:
全唐诗:卷716-35
说明:补充资料仅用于学习参考,请勿用于其它任何用途。