查询词典 timing sequence

The quadratic optimal control problem of delay discrete-time linear system is proposed with quadratic performance index. It is transformed intoanother problem by using the Principle of Optimality. The direct expressions of theoptimal control sequence and performance index sequence are given by mathematicalinduction.

针对给定的二次型性能指标，提出了时滞离散系统线性二次最优控制问题，并利用最优性原理将该问题进行了转化，进而利用数学归纳法推出最优有记忆饱和控制序列及最优性能指标序列的直观表达式。

It separates the network into symmetrical parts and unsymmetrical parts,synthetically uses sequence compo nents an d phase components.In the sequence domain,it equals the symmetrical parts to its boundary nod es;in the phase domain,with the po lym orphic calculationtechnique,it deals wi th all kinds of faults directly without huge calculating work as it is in the conventional phase compo nents methood.The example shows the advantages of this improved method.

该方法以相分量故障处理方法为依据，在序坐标下化简对称部分，等效到其边界节点，在相坐标下对化简后的网络处理各种简单和复杂故障，采用多态计算技术，以矩阵变换代替传统的数值方程的计算，避免了相分量法计算量大的缺点。

The experiment sequence was determined by orthogonal way and the every sequence was determined by the group test way.

采用正交方法安排试验序列，对每一正交序列采用成组试验法。

In direct sequence spread spectrum multiple access communication system, in order to transmit high rate data, a orthogonal sequence multicode CDMA system (called OMC-CDMA) is proposed.

张平在直接序列扩频通信系统中，为了有效地实现用户高数据率的传输，本文提出了一种正交扩频多码CDMA系统。

The sequence of weighting factors used for one signal across the different frequency channels is preferably orthogonal to the sequence of weighting factors used for a different signal.

通过不同频率信道用于一个信号的加权因子序列最好与用于不同信号的加权因子序列正交。

Contraposing the shortcoming of traditional Golay sequence extension methods, a fastly construction method of binary orthogonal complementary Golay sequence sets was presented.

针对Golay序列传统扩展方法存住的缺点提出一种二进制正交Golay可补序列集的构造方法，该方法可以快速生成数量等于码长的二进制正交Golay互补序列。

By using a fracture simulation unit,the regularity that temperature,flow rate and fracture width influence on HCl/dolomite reaction rate is investigated.The sequence of temperature,flow rate,acid concentration and fracture width influence to the acidic rock reaction rate is also studied in a four factors and four levels orthonormal test,and the sequence that acid concentration＞flow rate＞temperature＞fracture width is found.At the last,the possible HCl/dolomite reaction mechanism model which can explain the influence factors is derived.

文中利用人工模拟裂缝装置，研究了温度、注酸排量、裂缝宽度等因素对盐酸/白云岩反应速率的影响规律；并采用四因素四水平的正交试验，综合考察了温度、排量、酸浓度、缝宽四种因素对酸岩反应速率的影响的主次顺序，发现对酸岩反应速率影响力的大小次序为：酸浓度＞排量＞温度＞缝宽；最后，提出了盐酸/白云岩反应可能的机理模式，并根据这一模式对诸因素的影响进行了合理的解释。

The outcrop sequence analysis method is suitable for the study of sequence interior structure, depositional system.

而露头层序的优势在天它的直观性，更适合于层序内部结构、沉积体系及岩性方面的研究。

To improve most of the reactor protection devices that have shortcomings in inter-turn protection, the paper puts forward a highly sensitive, reliable inter-turn protection system, which is made up of both negative-sequence and zero-sequence power direction relays and so can solve the problem of overcompensation, undercompensation and uncertain compensation degree in inter-turn protection that is based on the compensation principle. Furthermore, according to the characteristics of different differential protection principles, the system adopts a plan of integrating these principles so as to increase the sensitivity and reliability of differential protection.

其中，论文针对大多数已投运的电抗器保护装置在电抗器匝间短路保护方面的不足，提出了具有较高灵敏性和可靠性的由负序、零序功率方向继电器共同构成的匝间保护方案，从而弥补了基于补偿原理的匝间保护存在的过补偿和欠补偿以及补偿度难整定的不足。

The obtained gene sequence in this experiment is the gene fragment of the nucleotide sequence of the rat oviduct specific glycoprotein, which has not yet been reported.

本实验所获得的基因序列为目前尚未见报道的大鼠输卵管糖蛋白的基因序列的一部分。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。