1、

Results and Conclusion Rosette scan infrared seeker could be applied to spinning missiles by adding an on board sensor for body spin rate measurement and feedback control of the gyro and motor rotational frequencies.

结果与结论在弹上增加自旋频率测量装置并对陀螺及空心电机转动频率有负反馈稳速控制的条件下,红外玫瑰扫描导引头可以应用于自旋弹;

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2、

Methods The number of rosette scan petals required for the instantaneous FOV to cover the total FOV was calculated and the effects of the gyro rotational frequency, motor rotational frequency and missile spin rate variations on rosette scan patterns and frame frequencies were predicted.

方法通过研究陀螺、空心电机转动频率变化及弹体自旋条件下瞬时视场覆盖全视场所需的玫瑰花瓣数,得出上述三者对玫瑰扫描空间图案和不漏扫帧频的影响;

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3、

Also, spin rate coupling with structural damping ratio and other structural parameters have a significant influence in aeroelastic dynamic instability for spinning rocket.

旋转速率与结构阻尼及其他结构参数对气动弹性动态稳定性影响也比较显著。

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4、

Photograph measure projectile spin rate

摄影法测弹丸自旋速率

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5、

The spectrum analysis method is used to process Doppler signal. By using the classic spectrum estimation theory and data smoothing technique, the spin rate of projectile can be extracted from Doppler signal.

通过对雷达多普勒信号的频域分析,采用经典谱估计理论和数据平滑技术能够从多普勒信号中提取弹丸旋转速度。

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6、

The Study on Projectile Spin Rate Measurement for Small Arms

轻武器弹丸转速测试技术研究

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7、

Emphasis on technology in teaching and made the ball spin rate of forearm muscle strength training combined.

重视发旋转球技术教学与前臂肌肉的速度力量训练相结合。

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8、

The methods of inlet channel of laval nozzle and smaller area of vent hole have been put forward to limit the spin rate of turbine generator.

提出选用拉伐尔管式进气道、和较小的排气孔面积的方法来限制涡轮发电机的转速。

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9、

In the paper, a dynamic coupled model of the flight motion and the flexible bending motion for a finned missiles with low spin rate is created and the general equations of motion is developed.

建立了低速旋转的尾翼式弹箭飞行运动和柔性弯曲变形耦合的动力学模型和一般运动方程组;

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10、

An investigation on the burning rate performance of low burning rate solid propellant applied to spin rocket motor

高速旋转固体发动机低燃速推进剂燃速性能的研究

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11、

It was found that with the increase of the difference of solubility parameters between polymer and solvent ( A S), the extent of cooperative segmental motion of the polymer in solution tends to be easier and spin-lattice relaxation rate ( 1/ T1) becomes greater.

发现聚合物与溶剂的溶解度参数之差△δ越大,聚合物在溶液中协同链段运动趋向越明显,~(13)C自旋-晶格弛豫速率(1/T1)越大;

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12、

It is shown that the decoherence rate induced by acoustic phonons strongly depends on the spin-orbit coupling strength, the magnetic field strength and quantum dot size.

结果显示了衰减率和磁场强度、量子点大小以及耦合常数有密切的关系。

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13、

The influence of double-push accelerated velocity, spin-rate regularity and unfolding fins on air rocket dispersion and the mechanism of decreasing of air rocket dispersion are also studied respectively.

分别研究了双推力加速度,转速规律和尾翼延时张开,对地面火箭弹和航空火箭弹散布的影响,以及减小航空火箭弹散布的机理。

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14、

The effects of molecular weight, temperature, shearing rate and solution concentration on viscosity of dry-jet wet-spinning PAN/ DMSO solution were studied by multivariate regression analysis.

应用多元回归分析确定了相对分子质量、温度、剪切速率、浓度4种主要因素对干喷湿纺聚丙烯腈/二甲基亚砜(PAN/DMSO)纺丝原液粘度的影响。

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15、

The one-electron mechanism is predicted to be spin-conserved and the rate-limiting step is the cleavage of the O-H bond with 27.92 kcal/ mol energy barrier.

计算结果表明,单电子机理是自旋守恒的,其决速步骤为第一步中的O-H键断裂,活化能为27.92kcal/mol。

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16、

the redesigned discs intended for slim laptops spin at a rate of 3600 revolutions each minute...

专为轻薄笔记本设计的改良光盘每分钟旋转3600圈...

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17、

Measurement of the nuclear spin relaxation rate of the laser-polarized~ ( 129) xe gas

激光极化~(129)Xe核自旋弛豫率的测量

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18、

Based on the rate equations of two-level system, the solutions of spin-up and spin-down carrier populations are obtained under the condition of incompletely initial spin polarization photoinduced by elliptically polarized pump light.

基于二能级体系的速率方程,获得了椭圆偏振光泵浦注入非完全自旋极化初始条件下的自旋向上和向下载流子布居的解析解。

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19、

The temperature dependence of the spin-lattice relaxation rate and the Knight shift indicate d-wave pairing, which brings about the extended quasiparticle states outside the vortex cores.

核自旋晶格弛豫率以及奈特位移的实验结果显示,超导态的电子配对是d波单态配对.d波能隙函数里存在节点,使得准粒子从涡线中心漏到涡线外面。

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20、

Besides, the spin-orbit coupling matrix elements can qualitatively reflect the magnitude of the non-radiative rate constant.

此外,基态和三线态第一激发态之间的自旋-轨道耦合矩阵元能够定性反映配合物非辐射跃迁速率常数的大小。

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