Decision tree algorithm using attribute frequency splitting and information entropy discretization 属性频率划分和信息熵离散化的决策树算法
Based on the Y-shaped cavity frequency splitting method, an orthogonal polarized He-Ne laser has been designed and implemented. 研制了基于Y型腔结构的新型正交偏振氦氖激光器。
The resonant frequency splitting caused by photonic crystal ( PC) defect coupling can be well described by the tight-binding ( TB) approximation in which only two coupling parameters are used. 通常采用含两个耦合参数的紧束缚近似,就能很好地描述光子晶体缺陷因耦合而导致的共振频率分裂。
A novel synthetical demonstration system of laser principle is presented based on a cat-eye cavity laser and the frequency splitting technology. 基于猫眼谐振腔激光器和频率分裂技术,提出了一种新型的激光原理综合实验系统。
Optical image encryption based on frequency splitting domain and Fresnel domain 基于分频域和菲涅耳域的光学图像加密方法
Laser frequency splitting technology can be used to measure phase retardation of a wave-plate. 应用激光频率分裂技术可以测量波片的位相延迟。
The frequency splitting processing technique. 分频处理技术。
Study of tunable infrared light beat generator by laser frequency splitting method 利用激光频率分裂技术研制可调谐的红外光拍发生器
The loading effects of box type microwave applicator are mainly: 1, The shift of the resonant frequency; 2, The degeneracy splitting; 3, The redaction of quality factor; 箱式微波加热器的负载效应主要有:1、谐振频率偏移,2、简并分裂,3、品质因素降低,4,输入阻抗改变。
Phase retardation measurement of wave-plate based on laser frequency splitting technology 基于激光频率分裂的波片位相差测量方法
In the experiment, single-frequency oscillation was obtained with the help of an etalon, then longitudinal mode frequency splitting resulted in the two-frequency oscillating operation by inserting two quarter-wave plates. 实验中使用腔内标准具实现单频运转,然后插入双λ/4波片使单纵模激光频率分裂,实现了激光器的双频输出。
The simulation results show that for this algorithm there is no bias in the frequency estimation, and the spectral line splitting is very week and the spectral resolution is high. 计算机仿真表明,用这种方法进行谱估计,不会产生谱漂移现象,谱分裂得到明显减弱,而且还具有很高的频率分辨能力。
Finally, the numerous existing models on frequency splitting are discussed in detail. 最后,还对现存众多的理论模型逐一作了讨论。
The mode of self-mixing interference was study in the general He-Ne laser and the frequency splitting He-Ne laser with orthogonal polarized o-lights and e-lights, a phenomena which one mode become three mode was discovered and explained. 对一般He-Ne激光和频率分裂激光器中偏振态相互垂直的o光和e光的自混合干涉的模式进行了研究,发现了单模变三模的现象,并进行了解释。
The problems of frequency error and spectra line splitting of the power spectrum are discussed. 讨论了功率谱的频率误差和谱线分裂问题。
Based on the frequency splitting characteristics of Empirical Mode Decomposition ( EMD), this paper incorporates it into the adaptive filtering algorithm and a novel algorithm was proposed. 根据经验模态分解EMD(Empiricalmodedecomposition)的分频特性,将EMD引入自适应滤波算法,提出了一种基于EMD的自适应滤波算法。
The other is of capstan. To produce servo controlling signal, frequency splitting, sampling and retaining, and pulse duration modulating are decisive techniques. 在录像机伺服控制过程中,信号分频、取样保持和脉宽调制占据主导地位,信号分频直接影响取样精度,而取样脉冲经脉宽调制后的方波信号作为反馈电压直接控制电机。
In nuclear magnetic resonance experiment, a general relation between order parameters and spectrum frequency splitting is derived, and possible experimental measurement is discussed. 在核磁共振实验中,导出双轴向列相序参数与谱线分裂频率间的一般关系,并讨论序参数测量性的可能性。
The frequency position, splitting state and peak number of the ν_1 Raman band or ν_3 infrared band of the CO_3~ ( 2-) are determined by the number of CO_3~ ( 2-) anions in the molecule of the minerals. CO32-离子的ν3红外谱带或ν1拉曼谱带的频率位置、谱带分裂状况和谱峰数目取决于矿物分子中的CO32-离子数目。
Intensity Tuning Characteristics of A Frequency Splitting He Ne Laser 频率分裂He-Ne激光器功率调谐特性
Research on Bituminous Mixture Creeping and Low Frequency Fatigue Characteristics With the Splitting Test Method 用劈裂法进行沥青混合料蠕变及低频疲劳性能的试验研究
A general relationship between spectrum frequency splitting and biaxial order parameters is derived. 导出共振谱线分裂间隔与双轴相序参数之间的一般关系,从而讨论序参数实验测量的可能性。
In the orthogonal wavelet transformation coding, it is to make use of wavelet frequency splitting that may deal with data, and then get the better result of compression. 利用正交小波变换进行小波分频特性分析处理,得到了较好的压缩结果。
Static and dynamic measuring method based on birefringence laser frequency splitting principle 用双折射激光频率分裂原理实现的静态与动态测量方法
By using frequency splitting technology, we could separate a mode interval into four equal width ranges with different intensity characteristics. 利用频率分裂技术,将一个纵模间隔分为4个宽度相等的区间,在这4个区间内激光器具有不同的光功率输出。
The core frequency can be frequency-doubled to hundreds of megabytes with utilizing the advantages of integrating phase-locked loop of inner FPGA. A high frequency pulse counter has been designed and the stable pulsed drive scanning motor can be produced by use of frequency splitting of FPGA. 利用FPGA内部集成锁相环,核心频率可以倍频至几百兆的优点,设计了高频脉冲计数器并利用FPGA分频产生稳定的脉冲驱动扫描电机。
These are physical principles behind the novel phenomena of optical feedback effects in frequency splitting lasers. 这些是产生频率分裂氦氖激光回馈新现象的物理机制。
The slack time between the task finish time and deadline is then effectively eliminated by creating frequency splitting method. 通过创建频率拆分法,有效地消除了任务完成期与截止期之间的空闲时隙。
These rules for the natural frequency splitting, mode contamination and parametric stability are well consistent with the existing results. This consistency to-certain-degree verifies the present investigation. 论文揭示了若干旋转周期结构的动力学规律,其中固有频率分裂、振型祸合及参数稳定性的部分结论与现有文献严格一致,某种程度上佐证了本文工作的正确性。
Finally, the various paths of segmentation comprehensive measure, based on some principles such as: mutual information of the word around the breakpoint, and other information to the terms of each frequency splitting path scoring, selects appropriate segmentation results. 最后对各种切分形式进行综合衡量,利用最少分词原则、断点前后两字的互信息、词语频率等信息给每条切分路径打分,选择合适的分词结果。