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- Secondly, in order to studying the dynamic characters of the bomb, the vertical and side direction perturbation equations of the bomb are analyzed. Moreover, the transfer functions of the bomb are identified. 第二,为了研究弹的动态特性,利用小扰动法将微分方程线性化,得到弹体纵向、侧向扰动方程组,用系数冻结法推导出简易制导炸弹的传递函数。
- Keywords Nonlinear;direct perturbation approach;Soliton theory;Green function; 非线性;微扰直接法;孤子理论;格林函数;
- She cast her eyes down to avoid direct eye contact. 她垂下双目以避免对视。
- I thought the law was directed against husbandmen. 我认为该法律是直接针对农民的。
- The complaints are directed at you. 这些牢骚是对你而发的。
- I'll book you on a direct flight to London. 我将为你预订直飞伦敦的航班。
- He has chosen the most direct route. 他选取了最直的路线。
- What she said was a cut at (ie was directed at) me. 她的话是冲著我来的。
- She's very direct, believes in speaking her mind. 她为人直率,喜欢有什么说什么。
- Can you direct me to the shoe department? 请告诉我卖鞋部在哪里。
- Be there a direct train for Beijing to Nanning? 从北京到南宁有直达车吗?
- He directed his letter to the dean's office. 他把信寄给了主任办公室。
- He directed the building of the new bridge. 他指挥修建这座桥。
- She directed the planning of the festival. 她统管节日活动的筹划。
- His remarks were not directed at you. 他的话不是针对你的。
- His boss directed him to cancel the meeting. 他的老板指示他取消这次会议。
- All eyes directed their rays on the hero. 所有人的目光都汇集到那位英雄身上。
- We directed our steps towards home. 我们朝家走去。
- The officer directed them to advance. 指挥官命令他们前进。
- Directed against enemy submarines. 反潜艇的,防潜艇的用来反抗敌方潜艇的