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1)  inner-point restriction
内点约束
1.
Optimal conflict resolution method based on inner-point restriction;
采用内点约束的最优冲突解脱方法
2)  pole constraint
极点约束
1.
Research on ship ant rolling control with robust pole constraint;
鲁棒极点约束的船舶减摇控制研究
2.
Firstly,based on the T-S fuzzy model of ASV re-entry attitude dynamic system,considering external disturbance and system uncertainties,the stabilization problem of angular rates and attitude angles is studied,then combining with pole constraints,an existence condition for H_∞fuzzy guaranteed cost control law with pole constraints is derived.
首先基于ASV再入姿态动态系统的T-S模糊模型,考虑外界干扰和系统的不确定性,考察了姿态角速率和姿态角的镇定问题,然后结合极点约束,导出了具有极点约束的H_∞模糊保性能控制律存在的条件。
3.
The uncertain attitude dynamic system descriptor during ASV’s (aerospace vehicle’s) re-entry phase based on T-S fuzzy model with parameter perturbation is considered firstly, then, the stabilization problems of attitude angles and angular velocity errors are researched, and combined with disk pole constraints, a condition for the existence of fuzzy guaranteed c.
研究了空天飞行器(ASV)再入姿态的具有闭环极点约束的模糊保性能控制律的设计问题。
3)  joint constraint
节点约束
1.
Influence of glass and joint constraint on loading capacity of monolayer cable net for point supported glass buildings;
玻璃及节点约束对单层索网承载性能的影响
4)  corner constraint
角点约束
1.
In the whole matching process,the corner constraint and the edge constraint were proposed to guarantee the matching speed.
在匹配过程中,为了保证其快速性引入了两种新约束:角点约束与边缘约束。
5)  MPC
多点约束
1.
"PATRAN" is used to create a canopy FEM for an aircraft using MPC to simulate the flexible attachment between plexiglass and frame.
采用PATRAN建立了某型飞机座舱盖有限元模型,用多点约束模拟玻璃边缘与骨架及弧框之间的软连接。
6)  null-constrained
零点约束
1.
According to optimization rule of the minimum of mean-square distance between a reference pattern and synthesized pattern, the relevant optimum weighted vectors are obtained by numerical pattern synthesis algorithm in case of non-constrained or null-constrained.
给出了圆形阵列方向图综合的数值计算方法,对圆形阵列方向图综合以及零点形成进行了分析和研究,以参考方向图与综合后方向图之间的距离最小化为准则,通过数值分析方法,在无约束和干扰零点约束情况下,给出了相应的最优权的求解方法,仿真分析表明了该方法的有效性。
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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