It analyses the relation by Newton's iteration method, which shows the select of the time step has a relation with the mesh size and dispersion error.
利用牛顿迭代法对其进行了全面的分析,发现了时间步长的选取与网格、色散误差的大小有一定的联系。
Through the analysis of error and process, we gave some improving advice about the theoretical design which can control the dispersion errors or retard errors under 5 percent.
文中通过误差分析,工艺技术分析,对理论设计提出了改进意见,设计样品色散误差和延迟误差均可控制在5%以内。
It may be used to determine the effects of bore curvature thermal deflection of the tube eccentricity of the projectile interior ballistics data and construction of gun tube on dispersion error.
可用于确定内膛弯曲度、身管热变形、弹丸偏心率、内弹道诸元和身管结构等对射弹散布的影响。
It is theoretically shown that the application of high-order difference method in structure and velocity images decreases frequency dispersion error, but improves effect and accuracy of computation...
理论分析表明,在构造与波速成像中采用高阶差分方法,可以减小频散误差、提高计算效率与计算精度、获得满意的效果。
Influences on the hitting probability by error of carrier, by dispersion of sub-projectiles, by size of target, by the Numbers of sub-projectiles, and by the range of fire are analyzed.
分析了母弹的射击误差、子弹的散布误差、目标幅员、重迭度、子弹携带量及射距离对子母弹首发命中概率的影响。
The variation of chromatic dispersion induced delay time error of the true time delay line based on dispersive devices is investigated using an intensity-frequency modulating model.
利用强度频率混合调制模型研究了基于色散器件的光真延时线中色散导致的延时误差的变化规律。
The migration error caused by the dispersion is calculated.
计算了波散引起的偏移误差。
Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.
行波色散是造成故障测距误差大的重要原因:利用行波故障定位时要考虑采用多相行波数据。
According to the delay time error, dispersion induced limitation on the system performances is analyzed. The results are good references to design the optical true time delay lines.
基于对延时误差的分析,研究了色散对系统性能的限制,为光真延时线的设计提供了理论参考。
The influences of length, dispersion index and attenuation index of transmission fiber and incident optical power on ber (bit error rate) and Q value of the system is analyzed.
仿真研究了传输信道和光功率对光码分多址系统性能的影响,分析了传输距离、光纤色散系数、光纤衰减、入纤光功率等与误码率和Q值的关系。
The results of simulation show that dispersion seriously reduces the peak power and sample energy on the FFH OCDMA system. Hence, bit error rate(BER) of system is increased by dispersion.
结果表明,在FFH-OCDMA系统中,光纤色散导致解码自相关光脉冲峰值功率和光脉冲取样能量的降低,进而导致系统误码率(BER )的增加。
The results of simulation show that dispersion seriously reduces the peak power and sample energy on the FFH OCDMA system. Hence, bit error rate(BER) of system is increased by dispersion.
结果表明,在FFH-OCDMA系统中,光纤色散导致解码自相关光脉冲峰值功率和光脉冲取样能量的降低,进而导致系统误码率(BER )的增加。
应用推荐