查询词典 quadratic

Any 2 dimensional quadratic form may be written as

任何 2 维二次形式可以被写为

Quadratic programming is a special form of mathematicalprogramming,and has close connection to many problems in mecha-nics.

二次规划作为一种特殊类型的数学规划，与许多力学问题有着密切联系。

Then, a regularized quadratic optimization model in the form of homotopy is presented.

其后，在求解的二次规划模型上以同伦形式添上正则项得到同伦形式的正则化模型。

Setting of optimal PID parameters ; stability of control system ; quadratic form performance index ; control quality indexes

优化PID参数整定；控制系统稳定性；二次型性能指标；控制品质指标

Keywords: Setting of Optimal PID Parameters; Stability of Control System Quadratic Form Performance Index; Control Quality Indexes

图1给出了一个常见的空调DDC系统PID控制的闭环连接原理框图。它的闭环传送函数

Firstly, the existence of Lyapunov function with the quadratic form for linear singular systems is discussed.

然后指出对X的任何正定二次型V，它沿线性广义系统的导数V都不会是X的负定函数。

But this may result to the control quality decline. In this paper, on the basis of fast algorithm, we used the quadratic programming form to constraint the control variable in the whole time domain.

本文在快速算法的基础上，采用二次规划的形式，对整个预测时域的控制量加以约束限制，满足约束条件，控制效果良好，且节约了计算量。

By analyzing the LFM signal in colored noise, a crossspectral ESPRIT method based on quadratic form transformation was proposed.

对色噪声背景下LFM信号进行了分析，提出了一种基于二次型变换的互谱ESPRIT方法。

Given a response surface equation in quadratic form, the Six Sigma Black Belt will be able to compute the stationary point.

给出一个二次方程式形式的响应曲面公式，6西格玛黑带应能计算出驻点。

Furthermore,it can represent the elliptic curves,parabola and other quadratic curves without using rational form.

给出了一种基于三角函数的类三次参数曲线，该曲线不仅具有类似于三次Bézier曲线的诸多性质，而且无需有理形式即可精确地表示椭圆、抛物线等二次曲线。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。