弹道的

After the airdrop experiments of the system of the projectile and speed-down parachute, the balance velocity obtained from the optics apparatus on the ground、the balance spinning speed obtained from the gyroscope on the projectile and the image obtained from the infrared detector on the projectile are all used to simulate the six-dimension exterior trajectory of the projectile and identify the roll damping moment derivatives, and the identification can safely come to a conclusion that the absolute value of roll damping moment derivatives from the engineering calculation are on the low side.

对卷弧尾翼弹与减速伞系统进行空投试验，由地面光测系统给出平衡落速、弹上陀螺给出平衡转速、弹上红外探测器拍摄地面图像判断弹的姿态。通过六自由度弹道模拟，对弹滚转阻尼导数进行参数辨识，得到工程估算所得滚转阻尼导数绝对值偏小的结论。 5。对空投试验中出现弹姿态摆动现象，从受力分析及红外图像分析两个方面进行探讨，给出合理解释，并根据分析对弹外形进行修改，在后来的试验中收到很好的效果。

The most important thing is that the flyer velocities are coincident with each other under the same loading conditions, that is, its performance in ballistic curve is better than that of gas gun and detonation driven.

根据测试的数据进一步改进了桥箔板和炮膛的设计，使得在相同加载条件下，飞片的加速历史几乎完全重合，其弹道稳定性优于气炮等加载装置。同时解决了电炮加载下的关键诊断测试技术。

Through the analysis, this paper established a mathematical model for an early-warning satellite to forewarn the TBM trajectory. The model comprised locating model of TBM coordinates. Based on the analysis of accuracy of the model, a conclusion which has certain academic meanings and engineering value is reached.

通过分析研究，建立了单颗预警卫星对战术弹道导弹预警的数学模型，主要包括了用预警卫星探测信息确定TBM坐标的模型，并对TBM弹道参数的精度进行了分析，得出了具有一定理论意义和工程应用价值的结论。

On the basis of the theory of warhead penetrating homogeneous target and with the some hypothesis, the theoretical calculation model for end-point trajectory of warhead penetrating ribbings structural target was found.

在现有弹丸侵彻均质靶板理论的基础上和一定假设条件下，得到弹丸对加筋结构靶侵彻的终点弹道理论计算模型，弹丸过靶后剩余速度的理论计算结果与实验结果基本一致。

On the basis of the theory of warhead penetrating homogeneous target and with the some hypothesis,the theoretical calculation model for end-point trajectory of warhead penetrating ribbings structural target was found.The results by theoretical calculation to residual velocity of warhead were consistent with that by experimental test.

在现有弹丸侵彻均质靶板理论的基础上和一定假设条件下，得到弹丸对加筋结构靶侵彻的终点弹道理论计算模型，弹丸过靶后剩余速度的理论计算结果与实验结果基本一致。

Recuring to the assistance from ADS , which is used for radio frequency simulating ,and general circuit simulating software - MULTISUM , several key technoledgeincluding RF signals disposing , local swept oscilating circuit , system control and frequency display etc. were discussed emphatically in the treatise . Not only the relevant theory but also the hardware circuit design were elaborated explicitly .

本文借助于射频模拟仿真软件ADS以及通用电路仿真软件MULTISIM，着重研究了弹道监测接收机的射频调理过程、本振扫频振荡技术、控制和显示技术等几个部分，在充分地探讨了相关理论的基础上，给出了相应的电路硬件设计。

Callaway Golf engineers want the ball to break the speed limit, become targets of titanium woods, redefining the face after the ball left of the trajectory to the ball and speed of re-evolution of flu.

Callaway Golf工程人员想要打破出球速度的限制，成为全钛木杆的指标，重新定义球飞离杆面后的弹道，力求球感及速度再进化。

The constraints of the missile flying with SAR at the flight time are built, and the missile command acceleration is used as control variables to set up the objective function about the dwell time and the desired azimuth resolution. The control variables are optimized using the genetic algorithm, and an optimal trajectory is gotten.

首先建立了弹载SAR条件下导弹飞行的约束，然后以导弹指令加速度为优化变量，构造了与方位分辨率和波束驻留时间相关的目标函数，采用遗传算法进行寻优，设计得到了弹载SAR平台的优化弹道。

With the analyses to the simulation results, it is confirmed that the midcourse ballistic object target complex gives rise to new challenges for detection and tracking techniques of space-based infrared sensor.

分析仿真结果，指出中段弹道目标群的存在对天基红外传感器的目标探测与跟踪提出了新的要求，并给出一些解决途径。

The entire trajectory of today's trial was monitored through various telemetry stations, electro-optic systems and sophisticated radars located along the coast, in Port Blair and by Naval ships anchored near the impact point in the down range area for data analysis, the sources said.

此次试验的全弹道由多种监测站完成监测，沿岸布莱尔港内的光电系统、精密雷达，以及锚泊在落点附近的海军舰船进行数据分析--消息来源说。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。