查询词典 angular acceleration
- 与 angular acceleration 相关的网络例句 [注:此内容来源于网络,仅供参考]
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A motion parameter estimation method by fitting the phase history of the moving target is proposed for airborne dualchannel SAR systems. The crosstrack velocity, alongtrack velocity, crosstrack acceleration and alongtrack acceleration can be estimated, respectively.
针对机载双通道合成孔径雷达(synthetic aperture radar, SAR)系统中运动目标参数估计,提出了一种利用目标相位历程拟合目标运动参数的方法,包括距离向速度、方位向速度、距离向加速度和方位向加速度估计。
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In the acceleration, the ions energization is mainly in the middle of the period of the magnetic dipolarization and in the perpendicular direction; in the same condition, the acceleration for light ions is more quickly than that for heavy ions.
3在加速中,离子获得能量主要是在磁场偶极化过程的中期,且离子以垂直加能为主;在相同条件下,轻离子较重离子加能要快些。
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The results show that,(1) the ion acceleration and energization mainly occur in the middle of dipolarization at distance of -12 RE to -8 RE,(2) the ion acceleration and energization along the direction perpendicular to magnetic field are faster than along parallel directi on,(3) variations of speed and energy for lighter ion are faster than that o f heavier ion,(4) the higher the initial energyis,the faster the ion accelerati on is, and the more energy is obtained by the ions.
主要结果为:(1)离子的加速及能量变化主要发生在磁场偶极化过程的中期,对应的地心距离位于-12RE到-8RE之间;(2)垂直于磁场方向上离子加速及能量变化较快,平行方向上较慢;(3)轻离子较重离子加速及能量变化快,磁场偶极化终结,3种离子的能量均可增加200倍左右;(4)初始能量较高时,离子加速及能量变化较快,离子最终获得的能量较大。
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Based on the dynamic equation, the transport and acceleration of out-flowing ionospheric ions in the magnetosphere are studied by means of finding the ion distribution function. They include two parts: the study of static ion distribution with analysis and numerical compute; the study of ion acceleration by induced electric feild in the period of dipolarization of taillike geomagnetic lines in the substorm expansion phase with the numerical simulation of the ion distribution function.
本文在磁层中上行离子的加速与传输理论研究领域中,采用动力论方程,用求解离子分布函数的方法来研究问题:(1)用解析求解和数值计算的方法,对上行离子在不同Kp指数条件下磁场位形中的定态分布进行了研究;(2)用数值模拟计算分布函数的方法,对上行离子在亚暴膨胀相磁场向偶极形驰豫过程中受磁尾的感应电场加速进行了研究。
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For the question of distribution and acceleration of ionospheric ions O+,H+ and He+ in the magnetosphere, the ions static distribution function is found by solving the dynamic equation, and the up-flowing ion static distributions with various Kp indexes are investigated. The ions distribution function during the geo-magnetic dipolarization is simulated, and the upflowing ion acceleration in the magnetotail is investigated.
针对磁层中电离层离子O+、H+和He+分布与加速问题,采用动力论方程求解了离子定态分布函数,研究了不同Kp指数条件下上行离子的定态分布;模拟了磁场偶极化过程中离子分布函数随时间的变化,研究了上行离子在磁尾的加速。
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For a relatively longer intense short-pulse laser, especially when local phase matching in the laser pulse between the ponderomotive force and the wake plasma oscillation occurs, there is strong electron acceleration in the laser-excited wake field and weak acceleration inside the laser pulse.
对于脉冲相对较长的短脉冲激光,尤其是在激光脉冲内等离子体尾波振荡和有质动力发生局域的相位匹配时,在激光激发的尾波场电子有很强的能量,这时在激光脉冲内电子的有质动力加速效率很低。
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The amplitude of acceleration parallel to tractional direction is about ten times as that of acceleration in vertical direction for test points on soil.
地基中测点平行于牵引方向的加速度幅值大约是垂直牵引方向的加速度幅值的10倍。
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The measured value of unmodelled acceleration for Cassini is (26.7 ± 1.1)× 1010 m/s2, roughly three times as large as the Pioneer acceleration.
卡西尼号的额外加速度是(26.7 ± 1.1)× 1010 米/秒2 ,大致为先驱者号加速度的3倍。
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The results indicate that, at the level of 10% probability of exceedance in a 50-year period, peak acceleration in Changde area is largest,the areas where PGA0.5m/s2 have been obviously broadened,and the regions where PGA1m/s2 in the central and southern hunan area have been aggrandized, on the contrary,peak acceleration in Yueyang area is lower than current seismic hazard map of China,the peak ground motion distribution patterns in each metropolitan city of the North China are consistent with current seismic hazard map of China.
本文的结果表明,在50年10%超越概率下,常德地区的峰值加速度最大,区内峰值加速度大于0.5m/s-2的区域面积明显扩大,大于1m/s-2的区域在湖南的中部和南部有所增加,岳阳地区峰值加速度偏小,但本文所得的峰值加速度分布趋势与中国地震动参数区划图基本一致。
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Compared with reinforced concrete floor, steel deck possess the advantage of thin wall, light in mass, but owing to smallness of damp, weakness of dissipation of energy, comfort possibly dissatisfies applicability required. Therefore, this paper first calculates and analyses dynamic property of new style steel deck; according to single footfall curve, ascertaining hominine walking excitation; utilizing time-history analytical method, calculating peak acceleration response of floor slab under excitation, and analyzing peak acceleration response proceeding from different board stride, different damping ratio as well as different profile.
相对于钢筋混凝土楼板而言,虽然钢承板具有壁薄、质轻的优势,但由于阻尼小、耗能差,其舒适度可能会不满足适用性的要求,为此本文首先计算和分析了新型钢承板的动力特性;根据单步落足曲线确定了人的行走激励;利用时程分析法,计算了楼板在行走激励下的最大加速度响应,并对不同板跨、不同阻尼比以及不同板型下的最大加速度响应进行了分析,结果表明这三种因素,尤其阻尼比和板型对于加速度响应的影响较大。
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- 推荐网络例句
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These rules reflect some inherent feature of self and nonself, and they are the basic detection criterion of GECISM.
这些规则反映了"自我"和"非我"的内在特征,是GECISM进行"非我"检测的判据。
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Until today, the media from China and the outside world still uses the term "Post 89". Regardless to whether it is for commercial gimmick or convenience, everybody still remember "Post 89", a term which carries a strong Cantonese accent.
时至今日,国内外艺术媒体还是在沿用&后八九&这个称谓,不管当初是为了商业噱头还是容易上口好记,反正大家现在是记住了&后八九&这个广东口音很重的词。
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In just a span of three months, we have made interviews with over 20 community characters, enriching the show as a real community radio program.
在短短三个多月,我们已访问介绍过社区中超过二十多人,让「同声同路人」成为一个丰富华人社区生活的电台节目。