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1)  cross-items
互谱项
1.
This study was designed to analyze the features of cross- items in Wigner distribution and to discuss vanons methods to eliminate cross-items.
Winger分布中互谱项严重影响了其物理解释及其应用。
2)  Cross-terms false spectral energy
交叉项"虚互谱能量"
3)  spectral term
谱项
1.
Expressions of spectral term s wave functions and energy matrices of the equivalent electron configuration (l_+~1l_-~1) by electronic Young tables;
等效电子组态(l_+~1l_-~1)的谱项波函数及能量矩阵的电子杨表表示
2.
The skills and methods in calculating spectral term wave function with step-operator were also discussed.
介绍了角动量阶梯算符,导出了阶梯算符作用于本征函数表达式,给出了用阶梯算符求谱项波函数的技巧和方
4)  cross-power spectrum
互谱
1.
The grosser the bone fracture,the lower the peak frequency of cross-power spectrum.
离体模拟和在体实测结果表明 :骨折后 ,胫骨在两测点振动的加速度互谱主频减小 ,骨折愈严重 ,加速度互谱主频越低。
5)  Cross power spectrum
互谱
1.
Characteristics of the acoustic vibrational frequency spectrum is analyzed by the use of correlation function, transfer function and cross power spectrum function.
本文通过用相关函数、传递函数、谱密度函数分析等方法对叩击声在骨中的振动特性进行分析研究,并将各种方法所得结果进行比较,经过实验验证得出互谱分析是评价骨折愈合程度较好的方法。
2.
The acoustic vibrational frequency spectrum property is analyzed by means of correlation function, transfer function and cross power spectrum function.
将各种方法所得结果进行比较,经过实验验证,认为互谱分析是评价骨折愈后程度较好的方法。
6)  cross-spectrum
互谱
1.
This paper analyzes the technique of underwater target scale identification of underwater acoustic equipment, presents the method of target azimuth precise measurement with the technique of double-channel short-time cross-spectrum.
分析了水下探测设备目标方位走向法的目标识别技术,提出了双通道短时互谱法的目标方位精确测定方法,并对其进行计算机仿真。
2.
The article expatiate cross-spectrum directional theory based on split beam and study highlight model of underwater target.
阐述了双通道短时互谱法的基本理论,分析了目标方位走向,提出了利用体目标回波的空间方位分布信息识别水下目标尺度的方法。
补充资料:谱项分裂
分子式:
CAS号:

性质:光谱项按光谱支项进行分裂的现象。谱项分裂是由于旋轨耦合而产生的。

说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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