However, the greatest success has been limited to low-order systems.
然而经典控制理论最大的成功也是局限于低阶系统中。
Therefore, a number of the low-order modes of the large structure can be found.
由此方法我们便可求出大型结构的若干低阶模态。
Surge suppressor and low-order harmonic filter can improve power supply quality.
利用浪涌抑制器和低次谐波滤波装置，可有效改善供电质量。
The low-order nine bits of sem_perm.mode are set to the low-order nine bits of semflg.
sem_perm . mode的低9位被设置为semflg的低9位。
The multiple equilibria and their catastrophe of the low-order barotropic model are studied.
本文研究了低阶正压模式的多平衡态和平衡态的突变。
Similarly, whenever the processor develops an instruction address, the low-order two bits are zero.
同样，只要处理器利用指令地址，低阶的两位就为零。
Results show that the climate and anomaly field of monthly mean temperature is characterized by low-order.
分析揭示了月平均温度气候及其异常场集具有低阶、低维的特征。
Port 0 is also the multiplexed low-order address and data bus during access to external program and data memory.
端口0也是复低位地址和在利用外部程序和数据存储器的数据总线。
A theorem to determine the generalized positive definiteness of high-order matrices by low-order matrices is given.
本文给出了用低阶矩阵来判定高阶矩阵的广义对称正定的判定定理。
Such polymer gratings show promising potentials for the fabrication of low-order distributed feedback polymer lasers.
这种方法在低阶分布反馈聚合物激光器的制作中具有很好的应用前景。
Then, the image grey level of every subimage is approximated by low-order polynomial according to least-square criterion.
然后各子图内像素灰度值以低阶多项式表示，依最小二乘准则以多项式逼近原图像的子图像。
It's important to recognize the low-order frequencies and modes of vibration in the course of structural dynamic measurement.
结构的振动测试中，正确识别结构的低阶频率和振型尤为重要。
Under operating condition, the effect of rotor speed on low-order frequencies is stronger than that on high-order frequencies.
在工作状态下，转速对低阶频率的影响大，对高阶频率的影响则比较小。
Thus, whenever instruction addresses are presented to the processor (as in Branch instructions), the low-order two bits are ignored.
因此，只要将指令地址提供给处理器(如Branch指令)，就会忽略低阶的两位。
Therefore, you just shift the contents to the left by four bytes into a new register to get the low-order bits in the preferred slot.
因此，只需将内容向左移位四个字节到新的寄存器来获得在首选槽内的低阶位。
Due to steady phase error, low-order PLL has a trouble in tracking frequency ramp signals, so that the receiver cannot lock carrier signals.
低阶锁相环跟踪频率斜升信号时产生的稳态相差致使环路失锁，接收机无法锁定载波信号。
The methods of parameters identification are analyzed and low-order equivalent system is identified by frequency domain maximum likelihood method and least square method.
分析了等效系统参数辨识方法，采用最小二乘法与频域极大似然法求解先进飞机的低阶等效系统。
How to deal with three-phase unbalance compensation and how to filter the low-order harmonics, especially the2nd-order, are the two difficulties for reactive power compensation.
无功补偿的难点在于如何补偿三相不平衡以及如何有效地滤除低次谐波，尤其是2次谐波。
In order to analyze the influence of fins, a low-order panel method based on velocity potential was used to predict the steady hydrodynamic performance of a podded propeller with fins.
为了分析鳍对吊舱推进器水动力性能的影响，用基于速度势的低阶面元法预报附鳍吊舱推进器的定常水动力性能。
At present, the calculations of wave forces on Marine structures are confined to the linear and low-order non-linear wave theories, sometimes these are not satisfied with the requirements.
当前，海洋结构物波浪荷载的计算大多限于线性波理论以及低阶的非线性波理论，有时是不能满足工程精度需要的。
According to the calculation of heat exchange and heat exchange area, and low-order heat energy of recovery of wet chlorine gas or dechlorination dilute brine with heating filter brine was feasible.
通过热量交换和换热面积的计算，说明了通过加热过滤盐水来回收湿氯气或脱氯淡盐水的低位热能是可行的。
Gathering your resources to "try hard" requires burning energy in order to overcome your currently low arousal level.
调动资源来“努力尝试”，需要消耗精力，以克服目前的低唤醒水平。
Its strategy is to publish very low list prices for workstations in order to generate interest among the buyers for those corporations.
它的策略是公布非常低的工作站标价，以引起买家对那些公司的兴趣。
During the recession companies set prices low, hoping that once they had tempted customers through the door they would be persuaded to order more expensive items.
在经济衰退期间，公司把价格定得很低，希望一旦他们吸引顾客进门，就能说服顾客订购更贵的商品。
Finally, the problems can be reduced to solving a low order system of algebraic equations like the initial parameter algorithm.
问题最后和初参数算法一样能归结为求解一个低阶代数方程组。
Computation results show that the low order modes take main effect in sound radiation.
数值计算结果表明低阶模态对壳体声辐射起着主要作用。
This method has high precision and can avoid the shortcomings of long time testing and only for fixed structure low order models that most relay identification methods do.
该方法辨识精度高，同时可以有效避免大多继电反馈辨识方法测试时间过长及只能辨识固定的低阶模型的缺点。
This paper puts forward a new MRACS method using low order model, i. e. the fourth order hydraulic servo system following the first order reference model.
本文把液压伺服系统作四阶系统，跟随一阶参考模型，提出了一种新的高阶对象和低阶模型的MRACS 的方法。
On the basis of hybrid error model and adopting diminution order method by filter, an adaptive control scheme of hybrid model has been designed for high order system following the low order model.
基于混合误差模型，采用滤波器降阶的方法，设计了一种高阶系统跟踪低阶参考模型的混合模型参考自适应控制方案。
In this article, we discussed generalized methods for solving the beam eguilibriurr equation with low order terms, analysed stability, convergence and uniqueness of the solution.
讨论了带低阶项的梁的平衡方程的广义解法，分析了解的稳定性、收敛性和存在唯一性。
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