This paper gives some properties of companion matrix of polynomial over finite field with its application for evaluating period of linear shift register sequence and minimal length of cyclic code.
本文给出了有限域上多项式的友矩阵的某些性质，及其在计算线性移位寄存器序列的周期和循环码的最小长度的应用。
It was found that the code length distribution was closely correlated with the shift symmetry properties of synchronized coding and was characterized by sequencing and non-integral power of 2.
研究发现：其码长分布与同步字的移位对称数密切相关，具有连续和非2的整数次幂等特点；
In the cladding while counting in the phase change, using the transverse shift and the phase change of the total reflected light, we derive the beat length formula of the isotrope fiber.
利用全反射光在光纤包层中的横向偏移和相位变化导出了全反射拍长计算公式。
It is shown that the phase noise spectrum density shift periodicity with the length of external cavity and the peak value of power spectrum density varies considerably with the feedback coupling rate.
这表明相位噪声功率谱密度随外腔长度而周期性地漂移，且功率谱密度的峰值随外部反馈耦合率而发生很大的变化。
Then a new method of computing Doppler shift is presented, in which the variation of link length is regarded as the relative velocity between satellite and earth station.
随后给出了一种以链路距离变化率作为相对速度来计算多普勒频移的新方法。
Crop yields, affected by temperature and water stress as well as length of growing season fall by 10-25% and are less predictable as key regions shift from a warming to a cooling trend.
温度变化、水资源短缺以及生长期缩短10- 25%诸因素都将影响农作物产量，由于主要地区都会降温，未来产量更难预测。
Furthermore, the improved algorithm achieves the shift-acceleration of patterns and flexibly controls the step length.
该算法通过对模式的移位加速和移动步长的灵活控制，使平均移动步长得到很大提高。
The proposed method restricted the frame length and frame shift to multiples of pitch period, called pitch synchronous algorithm;
该方法先将帧长和帧率都限制为基音周期的整数倍，即基音同步算法；
The main points of this paper were- the table of the phase-shift factors, the variation of the continuation step length and the technique of the two-dimensional filtering.
重点介绍了提高执行效率所采用的相移因子造表，变延拓步长，二维滤波等几种方法和试验结果。
The resonant wavelength has a blue-shift when the length of the antenna is decreased.
天线臂长的减小，使得共振波长蓝移。
The resonant wavelength has a blue-shift when the length of the antenna is decreased.
天线臂长的减小，使得共振波长蓝移。
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