1) Perfect discrete signal
最佳离散信号
1.
It is one of objects researching perfect discrete signal for more perfect discrete signals with good correlation character to be obtained for engineering application.
本文较为详细地分析综述了几十年来，最佳相关信号的研究成果，它已在现代通信、雷达、声纳、制导、空间测控、以及电子对抗等方面得到了广泛地应用，为工程应用提供更多具有良好相关特性的最佳离散信号是研究最佳离散信号的目的之一。
2) quasi-perfect and double quasi-perfect discrete signal
准最佳离散信号和双准最佳离散信号
3) Perfect signal
最佳信号
1.
On its ap- plication,a new DCSPF of the length 2N and number of arrays 2Q can be constructed by combing a DCSPF quasiperfect array with the length N and number of arrays of Q and a 2-dimensional quasiperfect array,thus providing more perfect signals.
使用这种方法,可以用一个长度为、组数为的并元互补码偶族和一个2维的准最佳二进阵列,构造成新的一类长度为、组数为的并元互补码偶族,为实际工作中提供了更多的最佳信号。
2.
With this method more perfect signals could be obtained in engineering.
研究表明该构造方法灵活、简便,为实际工程应用提供了更多的最佳信号。
3.
In practice the demands of practical engineering are so various that there haven t any criterion of the perfect signals that can adapt to all kinds of engineering, so there have not a clear defmation of perfect signals.
此研究内容属于最佳信号理论范畴。
4) discrete optimization
离散最佳化
6) optimization/discrete variables
最佳化/离散变量
补充资料：离散时间信号的Z变换
见变换&dbname=ecph&einfoclass=item">Z变换。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条