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黃衛(wèi)平金蟲 (初入文壇)
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[求助]
坐標(biāo)系翻譯，急求，多謝
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1、速度坐標(biāo)系。 原點(diǎn)O取在導(dǎo)彈的質(zhì)心上；ox3軸與速度矢量v重合；oy3軸位于彈體縱向?qū)ΨQ平面內(nèi)與ox3軸垂直，向上為正；oz3軸垂直與x3oy3平面，其方向按右手定則確定。 2、彈體坐標(biāo)系。 原點(diǎn)O取在導(dǎo)彈的質(zhì)心上；ox1軸與彈體縱軸重合，指向頭部為正；oy1軸在彈體縱向?qū)ΨQ平面內(nèi)，垂直與ox1軸，向上為正；oz1軸垂直與x1oy1平面，其方向按右手定則確定。 3、彈道坐標(biāo)系。 原點(diǎn)O取在導(dǎo)彈的質(zhì)心上；ox2軸與速度矢量v重合；oy2軸位于包含速度矢量v的鉛錘平面內(nèi)，且垂直于ox2軸，向上為正；oz2軸垂直與x2oy2平面，其方向按右手定則確定。 4、地面坐標(biāo)系。 原點(diǎn)A取在導(dǎo)彈質(zhì)心在地面上的投影點(diǎn)，Ax軸在水平面內(nèi)，指向目標(biāo)為正；Ay軸與地面垂直，向上為正；Az軸軸垂直與xAy平面，其方向按右手定則確定。 |
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befair
鐵桿木蟲 (正式寫手)
- 翻譯EPI: 112
- 應(yīng)助: 131 (高中生)
- 金幣: 12327.3
- 紅花: 20
- 帖子: 661
- 在線: 608.6小時(shí)
- 蟲號: 2651461
- 注冊: 2013-09-13
- 性別: GG
- 專業(yè): 宏觀經(jīng)濟(jì)管理與戰(zhàn)略
【答案】應(yīng)助回帖
★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
黃衛(wèi)平: 金幣+25, ★★★很有幫助, 太謝謝啦 2013-12-22 16:05:56
黃衛(wèi)平: 金幣+25, ★★★很有幫助, 太謝謝啦 2013-12-22 16:05:56
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1.Velocity coordinate system Select the mass center of the missile as origin O; align ox3 axis with the velocity vector v; make oy3 axis perpendicular to ox3 in the longitudinal and symmetric plane and the positive direction be upward; make oz3 axis perpendicular to the x3oy3 plane and its direction determined by right-hand rule; 2. Missile coordinate system Select the mass center of the missile as origin O; align ox1 axis with the longitudinal axis of the missile and the positive direction be pointing to the head; make oy1 axis perpendicular to ox1 in the longitudinal and symmetric plane and the positive direction be upward; make oz1 axis perpendicular to the x1oy1 plane and its direction determined by right-hand rule; 3. Trajectory coordinate system Select the mass center of the missile as origin O; align ox2 axis with the velocity vector v; make oy2 axis perpendicular to ox2 in the plumb plane containing the velocity vector v; make oz2 axis perpendicular to the x2oy2 plane and its direction determined by right-hand rule; 4. Ground coordinate system Select the projection of mass center of the missile on the ground as origin O; make Ax axis in horizontal plane and be positive when pointing towards the target; make Ay axis perpendicular to the ground and be positive when pointing upwards; make Az axis perpendicular to the xAy plane and its direction determined by right-hand rule 供參考，希望有幫助 |
3樓2013-12-22 15:34:21
黃衛(wèi)平
金蟲 (初入文壇)
- 應(yīng)助: 0 (幼兒園)
- 金幣: 521.5
- 帖子: 14
- 在線: 7.8小時(shí)
- 蟲號: 1538006
- 注冊: 2011-12-15
- 專業(yè): 動力學(xué)與控制
2樓2013-12-22 11:42:11
黃衛(wèi)平
金蟲 (初入文壇)
- 應(yīng)助: 0 (幼兒園)
- 金幣: 521.5
- 帖子: 14
- 在線: 7.8小時(shí)
- 蟲號: 1538006
- 注冊: 2011-12-15
- 專業(yè): 動力學(xué)與控制
4樓2013-12-22 16:09:21
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