查询词典 unit circle

For the digital filter design problem, the mathematics are complicated by the approximation being defined on the unit circle.

数学问题中固有的频域滤波器设计的问题是逼近理想的复杂的频率响应函数的HD的一个合理的传递函数的H就一个Mth度的分子和一个第N次度标准值复杂的变量沿着单位圆的Z = ejw 。

Not only does it realize global optimization of objective function and quickly converge, but also increase the stability of the filter system, especially in the case where the poles of the filter system are close to the unit circle.

不仅实现了自适应非线性滤波的全局寻优和快速收敛，而且提高了系统的稳定性，尤其对于极点靠近单位圆的AR模型信号干扰，滤波性能有较大的提高。

Since the roots of the characteristic equation of the digital control system must stay inside the unit circle =1 in the z-plane for the overall system to be asymptotically stable,we see that the second-order digital control system can be unstable for large values of T.

由于基层的特征方程的数字控制系统必须留在单位内循环= 1中的Z -飞机的整体系统是渐近稳定的，我们看到，二阶数字控制系统可为大型值不稳定普通应用评委的稳定性试验的特征方程的均衡器。

In order to improve fuel efficiency, domestic new large coal-fired generating units have adopted an ultra-critical, ultra-supercritical technology, greatly improving the efficiency unit circle.

为了提高燃料利用效率，国内新建的大型燃煤发电机组均采用了超临界、超超临界技术，机组循环效率大大提高。

In this dissertation, we compute and visualize multiple solutions of the boundary valueproblem of the Henon equation on the disk of planewhereΩis a unit circle,?

中文摘要：本文讨论平面单位圆上Henon方程的齐次Dirichlet边界条件的边值问题的多解计算，这里Ω为单位圆，？

This part systematically induce the common method of form helps number like number axis method, unit circle method, portrait method and geometry model method.

本部分系统地归纳出以形助数解题常用的方法：数轴法、单位圆法、图象法、几何模型化法。

In addition, such as control of land supply, control land mortgage loans, overdue development will revert to the land use rights, land market order rectification measures are directed at the land market weakness, particularly in the past through the edge acts under the land of the unit circle, the recovery of development rights, and strictly control land transactions loans of these measures to rectify the land market would be tantamount to an ultimatum.

此外，如控制土地供应，控制土地抵押贷款，逾期将再向发展的土地使用权，土地市场秩序整改措施是针对土地市场疲软，特别是在过去通过边缘行为根据土地的单位圆，收回开发权，严格控制土地交易贷款这些措施，纠正土地市场就等于最后通牒。

When the diameter of the arranging circle is less than 5 times of the radius of a unit laser, over 90% of the power will drop into the 86.5% power circle of the unit laser.

结论指出适当选择单元激光器的排列间距可以控制能量的集中程度，甚至使合成光束的能量集中度优于原单元激光器产生的高斯光束。

Conventionally, computing the discrete Fourier transform that is equivalent to sampling of the z transform of the input sequence at equally spaced angles around the unit circle.

在以往，我们计算离算傅立叶转换相当於在z平面的单位圆上均匀的取样，然而，在某些应用上，非均匀的取样会更有效率。

With the increase of vibration frequency, the variation process of Jacobi matrix eigenvalue was calculated. According to the position of eigenvalue crossing the unit circle in the complex plane, the stability of fixed point of the map was discussed and the route from periodic motion to chaos via period-doubling bifurcation was received.

以振动频率为控制参数，计算得到映射Jacobi矩阵特征值的变化曲线，根据其穿越复平面单位圆的位置，分析了映射不动点的稳定性，获得了碰撞运动通过典型的倍周期分岔通向混沌的过程。

He and Nina moved to California and lived at 2005 Ivar Street, Apt.

他和Nina搬到加州，并在2005年伊瓦尔街，公寓生活。

Droperidol （ potently inhibits transfected HERGchannels and this is the probable mechanism for QT prolongation.

氟哌利多有效地抑制了转染的 HERG 钾通道，可能是 QT 间期延长的机制。