文中也提出了利用分划曲线来判定系统特征方程具有全部负实部根的方法。
Methods of using the D-decomposition curves to judge whether all the roots of the characteristic equation possess a negative real part are also discussed.
在频域中当信号频谱处于两个或更多个滤波器通道时，通过频谱组合办法直接得到实信号的正半谱或负半谱。
When the signal spectrum falls into two or more channels, a method of spectrum assembling in frequency domain is used to obtain the positive or negative half spectrum.
结合工厂多年的生产经验，对于砂性能、振实台和负压砂箱的结构以及负压浇注过程中的注意事项提出了明确的要求。
The requests for dry-sand, vibrating table, structure of negative pressure sanrl box and proceedings to be noticed in casting pro-cesss have been put forward definitely.
此外本文还给出了严格非负定条件下实正态过程存在的一个充要条件。
Besides, this paper gives a sufficient and necessary condition of the existence of normal process under the strictly nonnegative definiteness condition.
但是实值负选择算法仍然存在着一些问题，比如：产生检测器和设置检测器位置需要消耗大量的时间。
But there are still some problems on real-valued negative selection algorithm, such as needing large amounts of time in generating detectors and setting the position of detectors.
由实部根轨迹的负与正可以判定系统的稳定性。
The positive part and negative part of the real roots can be used to judge the stability of the system.
为了提高检测器的性能，在负选择的基础上改进检测器生成算法而产生了实值负选择算法。
To improve the performances of detectors, the real-valued negative selection algorithm was proposed by improving detector generation algorithm based on the negative selection algorithm.
消失模铸造工艺影响干砂紧实的主要因素是振动加速度和负压度。
The main factors influencing sand compaction on EPC are vibration acceleration and negative pressure.
消失模铸造工艺影响干砂紧实的主要因素是振动加速度和负压度。
The main factors influencing sand compaction on EPC are vibration acceleration and negative pressure.
应用推荐