查询词典 multivariable

Through adding new state variable and using supplement functions,the problem with restriction conditions was converted into nonrestriction problem.In addition,the dynamic searching method of optimal step coefficient was developed to modify the conventional gradient method,consequently the calculation problem of the multivariable optimal periodic control was able to be resolved better.

通过增加新的状态变量和用补偿函数法，将本课题的有约束条件问题化为无约束条件问题，并提出了最优步长参数的动态搜索法来修改传统的梯度法，从而较完善地解决了多变量最优周期控制的计算问题。

Results: Rise in serum prostate-specific antigen level was associated with periglandular inflammation and prostatic volume in the multivariable logistic regression analysis (P=0.027 and 0.001 respectively).

结果：前列腺腺周炎症、前列腺体积与血清PSA升高有关(P值分别为0.027和0.001)。

Multivariable analysis comparing all cause mortality risk reduction associated with pharmacologic agents in patients with and without DM.

利用多参数分析比较了糖尿病人与非糖尿病人与药物有关的所有导致死亡危险下降的因素。

Objective of this study is to prognose the possibility of developing gallstone in subjects with the dyslipidemia and obesity. The multivariable logistic regression model was used to evaluate the odds ratio of the dyslipidemia and obesity to induce the formation of gallstone.

为预测血脂和体重异常增加并发胆囊结石病的危险度(odds ratio， OR)，应用多元回归模式评价了血脂变量和体重/身高指数与胆囊结石病之间的关系，OR＞1是危险因素，OR＜1是保护因素，OR＝1则无显著性意义。

Multivariable analysis found that cerebral infarction was significantly associated with increasing patient age,worse neurological grade on admission, history of hypertension or diabetes mellitus, larger aneurysm, use of prophylactically or therapeutically induced hypertension, temperature more than 38 degrees C 8 days after SAH, and symptomatic vasospasm.

多因素分析发现脑梗的发生与病人年龄增加、入院时较差的神经学分级、有高血压或糖尿病史、较大的动脉瘤、预防性或治疗性高血压的应用、SAH后8天体温高于38度和症状性血管痉挛显著相关。

This paper discusses the robust absolute stability of multivariable systems with multiple sector-bounded nonlinearities and unmodeled dynamics.

研究了同时具有多个扇形非线性环节和多个未建模动态的多变量系统的鲁棒绝对稳定性。

An intelligent controller was designed for welding process charactering as multivariable and non-linear to realize dynamic control for seam tracking and weld penetration control .

研究了从焊接温度场中获取焊缝位置和熔透信息的方法，在此基础上设计了规则自调整模糊控制器，实现了MIG/MAG的焊缝跟踪与熔透控制。

This dissertation deals with how to estimate parameters of a model of multivariable weak stable Auto-regression Equation on time series marked by AR(p and formulizes properties of them.

本文系统地研究了多元弱平稳序列自回归模型AR的参数估计方法及性状。

Ball coal mill system ; multivariable ; coupling ; mathematical model ; simulation

钢球磨煤机；多变量；耦合；数学模型；仿真

Ball mill coal pulverized system is a multivariable coupled nonlinear time-varying system which is extensively applied in coal fired power plants and is difficult to be controlled by conventional PID regulating algorithm.

广泛应用于火电厂的钢球磨煤机中间储仓式制粉系统（以下简称球磨机制粉系统或BMPS系统）是一典型的多变量非线性时变系统，各控制量和被控制量之间存在着相当严重的耦合，这些因素使得基基于常规PID方法设计的控制方案多年来几乎没有一套能够长期运行。

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。