The Andes will gain elevation over sea level from the pole shift due to Pacific subduction. 因为极移造成了太平洋收缩,安第斯山的海拔将会升高。
Regularizing reduction to the pole of higher-noise-level and high-accuracy ground magnetic Δ T data, with the independence from latitudes, may decrease noise-level to a great extent and gain better results of reduction to the pole. 对含有较高噪声水平的高精度地面磁测ΔT异常化极,不论纬度高低,都能较大程度地压低噪声水平,获得高质量的化极结果。
The state feedback matrix and gain compensation were developed to remodel controlled system, establishing generalized first-order model by method of removing the same zero and pole, therefore, the smooth transition problem in multimodal was solved. 采用状态反馈矩阵和增益补偿环节来改造被控对象,采用零极点相消方法建立广义的一阶模型,解决了多模态的平稳过渡问题。
Regularizing reduction to the pole of the aeromagnetic data with strong interference at low-medium latitudes may inhibit the banded interference in magnetic south-north direction and gain stable results by regularizing reduction to the pole of magnetic field in the wavenumber domain. 使用磁场波数域正则化化极方法,对干扰严重的中低纬度航磁异常数据化极,能压制磁南北向的条带状干扰,获得稳定结果;
The state feedback gain matrix of system with deterministic parameters could be obtained by using the method of pole allocation, and then it was applied to the actual uncertain system. 用极点配置方法得到确定参数的状态反馈增益矩阵,然后用到实际不确定系统中。
A continuous gain actuator failure model is adopted. Based on the linear matrix inequality approach, the consistency theory between regional pole index and steady state variance index is setted up. 首先在连续型执行器故障模型下,利用线性矩阵不等式方法,建立了容错控制中区域极点指标与方差上界指标间的相容性理论;
The effects of the finite DC gain and non-dominant poles of the integrators on filter perfomance are analyzed, deviation fomulas of pole frequency and quality factor for the second-order filters are given, and tuning of filter characteristic parameters is dealt with. 文中分析了积分器有限直流增益和非主极点的影响,给出了二阶滤波器极点频率和品质因数的微变公式,研究了滤波器的可调控性。
From the simulation result, it shows that, with the adaptive PLS model updating algorithm, the mismatch can be minimized under the circumstances of gain changes or pole changes. 结果显示,这种自适应算法在极点漂移以及增益变化的情况下都能较好的更新模型参数,实现模型与过程匹配。
In addition, feedforward gain stage is proposed in this paper, which effective controls Q value of the non-dominant pole, so at high frequency negative feedback compensation loop is ensured. 除此之外该论文里的运放增加了前馈增益级,这样就有效的控制了非主极点的Q值,保证了高频时补偿环路是负反馈的。
Its basic principle is to use limit cycle oscillations caused by relay feedback to determine the critical gain and critical period, and then used Ziegler-Nichols, pole placement and other methods to tuning PID parameters. 它的基本原理是利用继电反馈引起的极限周期振荡来确定系统的临界增益和临界周期,然后采用Ziegle-Nichols、极点配置等方法来整定PID参数。
Starting from traditional method of select the observer gain by using pole placement, a method of model based on the stator flux speed of U-N adaptive identification is proposed for engineering application, and similarities and differences from traditional observer-based speed estimation method are analyzed. 从传统的利用极点配置选取观测器增益的方法入手,针对工程应用提出了基于定子磁链U-N模型的速度自适应辨识方法,并分析了其与传统基于观测器的速度辨识方法异同。