J2EE多层架构,J2EE multi-layer architecture,在线英语词典,英文翻译,专业英语

1) J2EE multi-layer architecture

J2EE多层架构

2) J2

Effect of Micromolecular Compound J2 on Murine Splenocytes;

小分子化合物J2对小鼠淋巴细胞的影响

A Study of the Effect of a Small-molecule Immunodepressant J2 Designed according to the CD_4 Molecular Configuration in the Inhibition of Allograft Rejection in Mice;

基于CD_4分子构型设计的小分子免疫抑制药J2抗移植排斥反应的作用研究

Experimental Study on Effects of a Small Non-peptidic CD4 Inhibitor J2 in Preventing Allograft Rejection;

小分子免疫抑制剂J2抗移植排斥的实验研究

3) J2 force

J2力

This paper uses an optimal control method based on LQR to control satellite formation flying, and makes simulation for earth oblateness perturbation (J2 force) in the low earth orbits (LEO).

采用了一种基于线性二次调节器(LQR)的最优控制方法,对低轨道地球卫星所受的地球扁率摄动(J2力)加以模拟,并在模拟的地球低轨道J2力环境中,对几种卫星编队进行了模拟控制,从控制精度和能量消耗的角度对控制方法进行了分析,提出了卫星编队飞行中相对距离控制和绝对距离控制需要注意的问题。

4) J2ME

J2 ME

The J2ME Embeded Technique and Its Analysis;

嵌入式开发技术J2 ME及其分析

5) J2 perturbation

J2摄动

In this paper,the minimum-fuel,time-fixed optimal multiple-impulse rendezvous between non-coplanar elliptic orbits considering the J2 perturbation effects was mainly studied.

根据摄动理论,推导了航天器在J2摄动作用影响下进行交会飞行的运动方程,在此基础上,建立了求解多冲量最优交会问题的非线性规划模型,并针对三冲量和四冲量交会方式进行了交会轨迹的优化计算,得到了最优冲量的大小、方向及作用时刻。

Two impulsive control strategys for formation keeping were put forward with regard to the problem that satellites formation could be destroyed under J2 perturbation.

针对卫星编队轨道构形在J2摄动干扰作用下被破坏的问题,给出了两种构形保持脉冲控制策略。

In order to explore the effect of J2 perturbation,the non-singular orbit elements are imported.

把用转移矩阵法得出的相对运动分析解表达成一般轨道根数形式,为研究摄动影响而进一步表达成无奇点轨道根数形式;根据各轨道根数的J2摄动解分别研究编队构形在轨道坐标系三个方向上的振幅与相位的长期变化情况,揭示了构形引力摄动的长期演化机理;给出编队构形的摄动表达式,并以仿真实例验证其可信性;最后给出构形长期引力摄动的相关结论,并对编队构形设计提出建议,这将为研究编队构形的规划技术带来方便。

6) J_2 perturbation

J2项摄动

The effect of J_2 perturbation on ellipse forming flying was also discussed.

讨论了J2项摄动对椭圆编队队形的影响。

The continuous and discrete control methods to keep the position of micro-satellite forming flying that flied in ellipse orbit when J_2 perturbation was in consideration were derived by using Lyapunov potential function in this paper.

在考虑地球非球形引力J2项摄动时,用Lyaounov势函数法推导了连续和离散两种控制方法,以保持与控制运行于椭圆轨道的小卫星编队飞行位置。

参考词条

J2解析轨道 J1、J2开销字节大豆胞囊线虫J2 15脱氧前列腺素J2 15-脱氧前列腺素J2 分析评论

补充资料：多层沉积层

分子式：
CAS号：

性质：由两种或两种以上相继沉积的金属构成的沉积层。这些沉积层可以由不同特性的同一金属或不同金属构成。如为了提高镍镀层的防护性，有时采用双层镍或三层镍镀层。又如为防护-装饰目的采用的铜/镍/铬三层镀层。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

首页 \| 翻译 \| 影视 \| 论坛 \| 索引零J2摄动 J2变化化合物J2 J2项摄动力 J2流动理论

1) J2EE multi-layer architecture J2EE多层架构 2) J2 J2 1. Effect of Micromolecular Compound J2 on Murine Splenocytes; 小分子化合物J2对小鼠淋巴细胞的影响 2. A Study of the Effect of a Small-molecule Immunodepressant J2 Designed according to the CD_4 Molecular Configuration in the Inhibition of Allograft Rejection in Mice; 基于CD_4分子构型设计的小分子免疫抑制药J2抗移植排斥反应的作用研究 3. Experimental Study on Effects of a Small Non-peptidic CD4 Inhibitor J2 in Preventing Allograft Rejection; 小分子免疫抑制剂J2抗移植排斥的实验研究 3) J2 force J2力 1. This paper uses an optimal control method based on LQR to control satellite formation flying, and makes simulation for earth oblateness perturbation (J2 force) in the low earth orbits (LEO). 采用了一种基于线性二次调节器(LQR)的最优控制方法,对低轨道地球卫星所受的地球扁率摄动(J2力)加以模拟,并在模拟的地球低轨道J2力环境中,对几种卫星编队进行了模拟控制,从控制精度和能量消耗的角度对控制方法进行了分析,提出了卫星编队飞行中相对距离控制和绝对距离控制需要注意的问题。 4) J2ME J2 ME 1. The J2ME Embeded Technique and Its Analysis; 嵌入式开发技术J2 ME及其分析 5) J2 perturbation J2摄动 1. In this paper,the minimum-fuel,time-fixed optimal multiple-impulse rendezvous between non-coplanar elliptic orbits considering the J2 perturbation effects was mainly studied. 根据摄动理论,推导了航天器在J2摄动作用影响下进行交会飞行的运动方程,在此基础上,建立了求解多冲量最优交会问题的非线性规划模型,并针对三冲量和四冲量交会方式进行了交会轨迹的优化计算,得到了最优冲量的大小、方向及作用时刻。 2. Two impulsive control strategys for formation keeping were put forward with regard to the problem that satellites formation could be destroyed under J2 perturbation. 针对卫星编队轨道构形在J2摄动干扰作用下被破坏的问题,给出了两种构形保持脉冲控制策略。 3. In order to explore the effect of J2 perturbation,the non-singular orbit elements are imported. 把用转移矩阵法得出的相对运动分析解表达成一般轨道根数形式,为研究摄动影响而进一步表达成无奇点轨道根数形式;根据各轨道根数的J2摄动解分别研究编队构形在轨道坐标系三个方向上的振幅与相位的长期变化情况,揭示了构形引力摄动的长期演化机理;给出编队构形的摄动表达式,并以仿真实例验证其可信性;最后给出构形长期引力摄动的相关结论,并对编队构形设计提出建议,这将为研究编队构形的规划技术带来方便。 6) J_2 perturbation J2项摄动 1. The effect of J_2 perturbation on ellipse forming flying was also discussed. 讨论了J2项摄动对椭圆编队队形的影响。 2. The continuous and discrete control methods to keep the position of micro-satellite forming flying that flied in ellipse orbit when J_2 perturbation was in consideration were derived by using Lyapunov potential function in this paper. 在考虑地球非球形引力J2项摄动时,用Lyaounov势函数法推导了连续和离散两种控制方法,以保持与控制运行于椭圆轨道的小卫星编队飞行位置。参考词条 J2解析轨道 J1、J2开销字节大豆胞囊线虫J2 15脱氧前列腺素J2 15-脱氧前列腺素J2 分析评论补充资料：多层沉积层分子式： CAS号：性质：由两种或两种以上相继沉积的金属构成的沉积层。这些沉积层可以由不同特性的同一金属或不同金属构成。如为了提高镍镀层的防护性，有时采用双层镍或三层镍镀层。又如为防护-装饰目的采用的铜/镍/铬三层镀层。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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