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- quarter phase system [计] 四相制
- Its advantages are high speed and precision especially in multi phase system. 它在多组份，尤其是多相系统中具有计算速度快、精度高等优点。
- Tonight's moon is still at a waxing crescent phase, but it's an extremely fat crescent now. The moon will be at the first quarter phase tomorrow. 虽然月亮已处于临界状态，但今晚，它仍为渐盈中的朔时月相。明天，月亮的月相将会变为上弦月。
- The aging or denaturalization can not happen in the CSP when phase system was transformed, so it has some stability. 所制备的CSP在相体系转化时不发生老化和变性,显示了一定的稳定性。
- Using the nonminimum phase system parameter model transformation of the model for the controller design. 采用了非最小相位系统参数模型转换为参数模型的控制器的设计。
- For a non-minimum phase system, the interaction of the system is viewed as measurable disturbance and decoupled using feedforward strategy. 针对非最小相位系统，将系统的耦合作用视为可测干扰，采用前馈方法予以消除。
- The relationship between aqueous two phase system (ATPS) and liquid crystal (LC) of cationic and anionic surfactants mixture was studied. 研究了正离子表面活性剂CTAB与负离子表面活性剂SDS混合系统的双水相(ATPS)与液晶(LC)结构的关系。
- The relation between elastic mod ulus and Poisson's ratio in isotropic sin gle phase material is suitable for thin film in the thin film ?substrate sys t em (two phase system). 同时表明单相材料中剪切模量与弹性模量之间的关系也适用层状材料中的薄膜材料。
- In the control engineering, the non-minimum phase system is very common and more restive, and two kinds of intellectual control method have been designed in this paper. 非最小相位系统在控制工程中比较常见而且难于控制,本文采用了两种智能控制的方法对系统进行优化控制。
- Quarter Phase Shift Keying (QPSK) 四相相移键控
- The rational transient process is set by the improving TD based on the classical PID controller, which effectively reduces undershoot of non-minimum phase system. 针对水轮发电机组的非最小相位特性，基于设置过渡过程的思想，在传统的PID控制器的基础上应用改进的TD设置合理的过渡过程，有效的减小了非最小相位中的反调。
- Higher-order Statistics (HOS) is the primary analysis tools, which can be used to analyze non-casual system, non-minimum phase system and non-Gaussian signal. 高阶统计量是研究非因果、非最小相位系统和非高斯信号的主要分析工具。
- Reason is due to Donnan effect of phase systems and hydrophobicity of products. 较相近条件下的单水相反应得率提高近20%25。
- The rent is due at the end of each quarter. 缴纳租金以每季度末为期限。
- Our team held its own after the first quarter. 我们队和对手在开始的四分之一场里打了个平手。
- This paper analyses the reason that neutral current is not zero when linear three phase system load connects to three phase four wire system source in Y connection. The resolution is also given. 分析了线性三相对称负载Y联接在对称三相四线制电源时 ;中线电流不为零的原因 ;并给出了解决的方法 .
- Based on power spectrally equivalent and multiple of model, this paper presents two systems: minimum phase system, and non-minimum phase system. 具体构建了2个系统:最小相位系统和非最小相位系统。
- However real channels are generally non-minimum phase systems, baud-spaced equalizers exhibit poor performance under this circumstance. 同时由于实际信道往往为非最小相位系统，此时线性均衡器性能不佳。
- The dividend pay is equivalent to one quarter of the pretax profit. 所付股息相当于税前利润的四分之一。
- We pay our rent at the end of each quarter. 我们於每个季度末付房租。
