The average effective pitch damping increases with increasing Angle of oscillation amplitude and decreases with increasing Mach number.
角振幅增大会使返回舱的平均俯仰阻尼增加,马赫数增大使俯仰阻尼降低。
While impulse forces not acting on the centroid, the influence of accessional attack Angle oscillation amplitude, impulse force scale and function time interval on range correction was discussed.
针对非质心作用推力的情况,讨论了附加攻角振荡幅度、脉冲推力大小、作用时间间隔等因素对于修正距离的影响。
In order to study dynamic stall phenomena of an aircraft in portrait at a high Angle of attack, designing a measuring device of heave oscillation for a low speed wind tunnel.
为了研究飞行器在纵向大迎角状态下的动态失速现象,设计了一套用于低速风洞的升沉振动测量装置。
The distribution of laser beams' intensity leads to such important spatial parameters as oscillation modes of laser device, divergence Angle of laser beams, the power of laser beams, laser radius etc.
根据激光束的强度分布信息,可得到激光束的其他空间参数,如激光器的振荡模式、光束发散角、光束功率、光斑半径等重要参数。
Some measures for the prevention of self-induced oscillation and the suppression of parasitic feedback is introduced at a practical angle, . then the detailed circuit is offered.
从实用角度介绍了防止放大器自激振荡和抑制寄生反馈的措施并给出了具体电路。
During the power oscillation of a power system, a damping active power is injected into the network from the DFIG machine via regulating the rotor excitation voltage Angle.
在系统发生功率振荡时,通过改变转子励磁电压的相角调节双馈变速风电机组输出与振荡相关的阻尼功率,达到使风电场能够改善系统阻尼的目的。
Provided is an oscillating device, which can adjust the oscillation Angle and the phase of a movable plate easily with a simple constitution.
提供一种振动设备,其可通过简单的构成轻易地调节可移动板振动角和相位。
The oscillation of scanning Angle is much influenced by the structure of bullet parameters and SOR. By adjusting the structure of bullet parameters, the oscillation amplitude can be decreased.
子弹的结构参数、转速对扫描角的摆动影响较大,通过调整子弹结构参数,可减小扫描角的摆幅。
By the feed-back control of the duty ratio according to the oscillations of the movable plate, the movable plate can be controlled to oscillate in the proper phase and at the proper oscillation Angle.
通过根据可移动板的振动对占空比的反馈控制,可控制可移动板以在适当的相位和适当的振动角振动。
The half-cone-angle has little effect on the oscillation frequency of thrust.
半锥顶角对推力波动特性影响很小。
The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish's speed;
加减速试验论证了尾鳍摆动频率、尾鳍后缘最大摆幅以及尾鳍的最大击水角度对鱼体速度的影响;
The test proves that the caudal fin oscillation frequency, the maximum amplitude of vibration of caudal fin, the caudal fin strikes the water angle influence the fish's speed;
加减速试验论证了尾鳍摆动频率、尾鳍后缘最大摆幅以及尾鳍的最大击水角度对鱼体速度的影响;
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