子系统

During building the system of surpervising and early-warning, the article introduces the system of index early-warning and the system of statistics early-warning, and the work flow of forecasting and analyzing the screened early-warning guide-line of real estate market, and emulate the two models. The sub-system of eliminating-warning mentioned its modes and measures (also called the modes and measures of macroscopical management).

本文在数据处理分析子系统中，主要介绍了数据的处理及数据的分析，初步建立了房地产市场预警指标体系；在监测预警系统的构建过程中，主要介绍了指数预警系统和统计预警系统对其筛选过后的房地产市场预警指标进行预测分析的工作流程，并对这两种模型进行了模拟仿真；在排警子系统中，主要介绍了排警方式和排警措施(即宏观调控方式和宏观调控措施)。

For the heavy structure and complex performances of the hybrid system, based on the photovoltaic effect, the state equation of ideal gas, mass and energy conservation equations, physicochemical principles, power transformation relations, flow and transmission of the heat energy, first give a set of proper assumptions and simplifications, then a set of dynamic model of all subsystem are established completely and detailed.

由于PVFC联合发电系统结构复杂，涉及到电化学、传质学、传热学等多门学科知识，以及光生伏打原理、质量守恒、动量守恒、能量守恒、第一热力学定律等多种原理和定律，所以，首先对各子系统在不影响系统性能的基础上进行适当的假设和简化，然后根据各种原理和定律分别建立各子系统的动态数学模型。

The point of changing the passive situation was the intercross and amalgamation between and inner its industrial subsystems respectively.

改变这种被动局面的重点应放在各产业子系统间的延伸融合和各产业子系统内部的重组融合等方面。

Firstly, the recent developments in controllability and observability for switched system are reviewed. Secondly, by means of properties of invariant subspace, the controllability for switched systems with continuous-time and discrete-time subsystems, and a class of discrete impulsive switched systems is respectively investigated. Some sufficient and necessary conditions of controllability are proved. In the end, some simple criterions for controllability and observability of switched symmetric composite systems are set up.

首先介绍了切换系统能控性与能观性方面的一些重要结论；其次，用不变子空间的性质分别研究了同时含有连续子系统和离散子系统的切换系统和一类离散脉冲切换系统的能控性，建立了相应的充分性与必要性判别准则；最后，研究了切换对称组合系统的能控性与能观性，得到了此系统能控性与能观性的简单判据。

One is a independent subsystem of the dimension equal to the difference of the dimensions between the total system and the symmetry Lie group.

这种标准形由一个维数等于系统维数与对称性Lie群维数之差的独立子系统和一个不含控制量的子系统串联而成。

Since the conditional Lyapunov exponents of its linear subsystem are all negative, the linear subsystem is synchronizable and the new chaos generator can be used for chaotic communication.

由于它的线性子系统的条件李雅普诺夫指数均为负，因而是可同步子系统，能够用于混沌保密通信。

By using methods of passivity and switching control of states of the linear subsystem, both stabilization of the linear subsystem and invariance of the specified region in state space can be guaranteed simultaneously. Hence, a sufficient condition for the robust invariance switching control of this class of systems was derived.

通过基于鲁棒严格无源技术和线性子系统状态反馈的切换控制来镇定线性子系统，同时保证了指定区域的正不变性，从而得到了该类系统鲁棒不变切换控制的充分条件。

This method uses periodic sequences of different magnitudes as inputs to extract a linear subsystem so that the set theory, parameter estimation, optimization, pole zero separation, can be applied.

该方法巧妙利用不同幅值的伪随机输入信号，从原系统中离析出线性子系统。基于线性子系统的参数估计值和集合理论，提出一个零极点划分的寻优准则。

A decoupling control approach based on inverse system method had been applied for the permanent magnet synchronous motor, which was multi-variable, nonlinear and coupled system. PMSM was decoupled into second-order linear speed subsystem and first-order linear flux subsystem. The servo robust controller was used to design linear closed-loop controller for the pseudo-linear subsystems.

针对永磁同步电机这种多变量、非线性、强耦合的控制对象，应用逆系统方法，将永磁同步电机解耦成二阶线性转速子系统和一阶线性磁链子系统；在此基础上，采用鲁棒伺服控制器对伪线性子系统进行线性闭环控制设计。

A conventional Kalman filter is used to process the information from the linear GPS subsystem, while an unscented Kalman filter is used to process the information from the nonlinear DR subsystem.

对于GPS线性子系统采用标准卡尔曼滤波器，对于DR非线性子系统则采用无察觉卡尔曼滤波器。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。