影响双向卫星时间频率比对(TWSTFT)准确度的一个重要因素是卫星的运动。
One of the important factors affecting the accuracy of two-way satellite time and frequency transfer (TWSTFT) is the satellite motion.
研究了脉冲电镀在微氰镀金,无氰镀金体系中脉冲频率、脉冲占空比对镀金层耐磨性的影响。
The effect of pulse frequency and pulse duration ratio on the abrasion resistance of gold coatings is investigated with pulse plating in cyanide free and trace cyanide baths.
频率、脉宽比对水颗粒聚结效果影响较小,但对电能消耗产生重要影响。
Frequency and pulse width ratio play an important role for power consumption rather than coalescing process.
结果表明梁的自振频率,荷载的行驶频率和荷载与梁质量比对梁的振动都起着重要的作用。
All results show that the beam dynamic behavior is tied up with these factors: frequency of beam, moving frequency of the load and the ratio of vehicle unit mass to beam unit mass.
该文从理论和仿真两个角度研究了信噪比对多普勒中心频率估计的影响,给出了多普勒中心频率和信噪比的理论及仿真关系曲线。
The effect of Signal-Noise-Ration (SNR) to the estimation of Doppler central frequency has been studied using theoretical method and simulation technique, and results are given in curves.
将微悬臂梁和微薄膜振动特性的测量结果与频率扫描法的测试结果进行了比对,对产生的误差及误差来源进行了分析。
The testing error and the reason of error are analyzed, compared with the results received by the sweep-frequency measurement method.
结果表明,温度、平均电流密度、频率、逆向脉冲系数及占空比对镀层性能和微观形貌有较大影响。
The results showed that the temperature, average current density, frequency, reverse pulse coefficient and duty cycle had great impact on the microstructure of coatings.
研究分析中考虑了不同膜材料的弹性模量、不同膜的初始预应力、不同索的初始预应力以及不同结构高跨比对膜结构自振频率的影响,获得了索膜结构遮阳篷的风振有益的结论。
The results of the computation show us some variation regularity about the cable-membrane structure. It will be available for the further study about the response of the structure under the wind.
利用高速摄影和图像处理技术分析了来流速度和展长比对旗帜运动学特征(频率和振幅)的影响规律;
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
利用高速摄影和图像处理技术分析了来流速度和展长比对旗帜运动学特征(频率和振幅)的影响规律;
High speed digite vedio and image processing were used to analyze the effects of the non-dimensional velocity and the flag aspect on its kinematics, flapping frequency and amplitude.
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