However, due to the lack of overall planning and the attenuation of resources, etc., these cities have accumulated many contradictions and problems during the process of development, which mainly include the imbalance in the economic structure, a large unemployment and poverty-stricken population, weak development of continued and substitute industries, serious damage to the ecological environment and great pressure on the maintenance of social stability, etc.
但是，由于缺乏统筹规划和资源衰减等原因，这些城市在发展过程中积累了许多矛盾和问题，主要是经济结构失衡、失业和贫困人口较多、接续替代产业发展乏力、生态环境破坏严重、维护社会稳定压力较大等。
In this paper, the robust non-fragile H(subscript ∞) filtering is investigated for a class of uncertain stochastic It-type time-delay system with Markov jump parameters, and a Markov jump filter is designed to guarantee the mean square stability of robust stochastic exponential of the closed-loop filter error system with uncertain controlled objects and filters, and to keep the disturbance attenuation level below a given upper bound.
文中针对一类具有马尔可夫跳变参数的It类型不确定随机时滞系统，讨论了此类系统的鲁棒非脆弱H滤波器的设计问题。在被控对象及滤波器同时存在不确定性的情况下，使闭环滤波误差系统的鲁棒随机指数均方稳定，且干扰抑制性能指标小于给定上界。
The ceramic filter with double energy trapped mode is made up of piezoelectric material PbZn_(1/3 Nb_(2/3)O_3 doping with Ce and Mn, and has the advantages of small insertion loss, large stop-band attenuation and high temperature stability.
介绍了一种高频压电陶瓷滤波器的制造及其所用材料，这种采用双重能阱模式的陶瓷滤波器是用掺Ce和Mn的Pb(Zn1/3Nb2/3)O3压电材料制造的，具有插入损耗小，阻带衰减大和温度稳定性高的特点。
Based on the analysis of attenuation aggregation strategy, propose a new aggregation strategy which can improve the stability and performance of controller, the method of computing aggregation matrix under new aggregation form has been given.
结合衰减集结策略的研究，提出了一种改进的衰减集结预测控制器的设计方法，并给出了该形式下集结阵的设计方法，能更加有效地设计集结阵并保证控制器的稳定性。
The theoretical analysis of convergence and stability of quasi global sliding mode with the discrete global attenuation law was given, and then the design method of global attenuation control law was shown.
理论分析了离散全局衰减律下准全局滑动模态的收敛性和稳态特性，给出了全局衰减控制律的设计方法。
Compared with the prior art, the invention has the advantages that:(1) the active neural microelectrode integrates signal collection/processing and stimulation function in the same preposed signal processing chip, which can reduce the disturbance of environmental noise, inhibit the attenuation caused by parasitic capacitance, filter polarized voltage and greatly improve the speech-noise ratio and stability of the whole microelectrode; and (2) the active neural microelectrode integrates digital logic control and stimulation circuit in the chip, so as to reduce the amount of output leads and simplify the complexity of subsequent circuits.
本发明相对于现有技术具有如下突出特点：(1)将信号的采集，处理以及刺激功能集成在一个前置信号处理芯片上，不仅减少了因为环境噪声的干扰，而且很好的抑制了寄生电容引起的衰减，滤除了极化电压，大大增强了整个微电极的信噪比和稳定性；(2)同时，将数字逻辑控制和刺激电路也集成在此芯片上，减少了输出引线的数目，简化了后续电路的复杂性。
7 Earthquake-resistant properties: Fortification intensity 8 degrees (three times sine resonance frequency, 5% attenuation) 0.25 g acceleration level of earthquake Vertical acceleration of 0.15 g Safety factor 1.67 Grounding System 4.8 Neutral effective earthing system 4.9 flashover relatively Creepage distance and distance Model LB6-35 (W2, W3) Flashover distance mm ≥ 450 Creepage distance mm ≥ 1050; 12155 technical requirements 5.1 rating and performance requirements 5.1.1 rated voltage: 35 kV; 5.1.2 rated insulation level: 40.5/95/185 kV; 5.1.3 rated frequency: 50 Hz; 5.1.4 rated current ratio, accurate scales and the corresponding nominal output and dynamic, thermal stability current table 5.1.5 level measurement instrumentation security coefficient FS: 5 or 10; 5.2 error limits 5.2.1 level measurement error limits In the secondary load for the rated load between 25 to 100 percent of any values (COS Φ= 0.8 lag), which rated the frequency and phase current error should not exceed Table 1 and Table 2 in the limit.
4.6 最大风速：35m/s。4.7 抗地震性能：设防烈度 8度(正弦共振3次周波，5%衰减)地震水平加速度 0.25 g 垂直加速度 0.15 g 安全系数 1.67 4.8 系统接地方式中性点有效接地系统 4.9 相对地闪络距离及爬电距离型号 LB6-35(W2、W3)闪络距离 mm ≥450 爬电距离 mm ≥1050；1215 5 技术要求 5.1 额定值和性能要求 5.1.1 额定电压：35 kV； 5.1.2 额定绝缘水平：40.5/95/185kV； 5.1.3 额定频率：50Hz； 5.1.4 额定电流比、准确级及相应的额定输出和动、热稳定电流见表 5.1.5 测量级仪表保安系数FS：5或10； 5.2 误差限值 5.2.1 测量级误差限值在二次负荷为额定负荷的25～100%之间任一数值时(COSΦ=0.8滞后)，其额定频率下的电流误差和相位差不应超过表1、表2所列限值。
Attenuation was introduced by a rotatable miniature silicon mirror, with its orientation finely adjusted through the balance between a pair of electromagnetic forces. The design is free of conventional spring restoring force for attenuation reset and therefore ensures a high stability.
该器件采用电磁驱动器转动硅基微镜改变光路实现可调衰减，在结构上采用了全磁性回复，完全摆脱了通常的弹性回复造成的部件疲劳、零点偏移等器件重复性问题。
Problem of disturbance attenuation via measurement feedback with internal stability for nonlinear system is investigated. Design method of state estimation for nonlinear is given through 3 One kind of nonlinear regulator is studied by using H〓 control way.
三、利用H〓控制方法研究了一种非线性调节器设计，为非线性调节器拓展了一种新的设计方法，并讨论了该设计方法对模型不确定性的鲁棒性。
Based on the concept of two person zero sum differential game, the sufficient conditions for the existence of an H ∞ state feedback controller to guarantee the robust stability and disturbance attenuation level is obtained, and the solution is given in terms of Hamilton Jacobi Isaacs equation.
基于二人零和动态对策理论，给出并证明了系统鲁棒稳定以及扰动衰减问题解存在的充分条件，通过求解离散时间HamiltonjacobiIsaacs方程给出了其鲁棒H∞状态反馈控制解。
By flattening the noise amplification due to the waterbed effect in the whole disturbance amplification frequency band intuitively, the designed feedback controller can suppress the disturbance amplification to almost the minimum value for the given disturbance attenuation and ensure good stability of the system.
通过在整个控制频带展平噪声放大，噪声放大峰值可以被抑制到给定降噪情况下的最小值，保证了系统好的稳定性。
The experimental result of ultrasonic attenuation using amplitude spectral ratio for the process of rock dilatancy shows there are three processes in that the cracking of rock, crack stability spread, crack instability spread and macroscopical cracking.
利用振幅谱比法对砂岩扩容过程中超声波衰减的实验结果进行分析表明：岩石存在裂纹稳定性传播与裂纹的非稳定性传播和宏观破裂过程；
Passive damping solutions are simple and easy to implement, but the damping resistor increases the system losses and decreases switching harmonic attenuation of LCL filter, furthermore, the stability of the system is poor.
无源阻尼方案简单易于实现，但是，它增加了功耗，降低了滤波器的高次谐波衰减程度，而且系统稳定性较差。
Several problems related to landslide stability including the shear strength and its attenuation, the design of cut slope and the determination of landslide treatment method are discussed in this paper.
并就膨胀土地区的开挖边坡中与稳定性有关的几个问题：抗剪强度和强度衰减软化、开挖边坡设计及滑坡治理方法的选择等进行了探讨。
Based on the mathematical model of networked control system with multi-step stochastic transmission delay, the problems of the stochastic stability and disturbance attenuation are discussed.
针对存在多步随机传输时延的网络化控制系统模型，研究了其随机稳定性及H2/H∞混合控制问题。
This paper, making use of four large process plant buffer to maintain the stability of production plans, so that fluctuations in the production plant in the upstream and downstream transmission during the process is of attenuation or shielding.
本文从保持生产线生产计划的稳定性出发，利用冲压、焊装、涂装、总装4大工艺车间之间的缓冲区的水池效应，使生产的波动在上下游车间的传递过程中得到衰减或屏蔽。
If we ignore the impact of delay in the filter design, it will lead system stability and the level of noise attenuation to bad when time-delay exist.
如果在设计滤波器时忽略时滞的影响，会因为时滞的存在导致系统稳定性能和噪声衰减水平变差。
Mainly by High Power is white, warm white, red, yellow, blue, green series products, the stability, the attenuation extent, consistency, color rendering all have excellent performance.
主要以HighPower正白、暖白、红、黄、蓝、绿系列产品，其稳定性、衰减幅度、一致性、显色性均具有出色的性能。
The comparisons suggest that semi-active suspension can improve vehicle comfortableness and driving stability effectively, but it still has shortage in attenuation of high frequency librations.
结果表明，半主动悬架有效地改善了汽车的行驶平顺性和操纵稳定性，但其在衰减高频振动上仍存在不足。
A robust linear PID motion controller is proposed, which solves the nonlinear L2-gain attenuation control problem for robotic manipulators. The stability, robustness, and perfor - mance tuning of the proposed controller are analyzed.
通过解决非线性L增益衰减问题，提出一种基于非线性H∞鲁棒PID控制2器并且对这个控制器的稳定性、鲁棒性和性能调节方法进行了分析。