1) Electricity frequency properties
电频谱特性
2) frequency spectrum
频谱特性
1.
A new method, based on the analysis of frequency spectrum of instantaneous power, for the discrimination between internal fault currents and inrush currents in transformer is proposed.
在分析瞬时功率频谱特性的基础上,提出了一种基于瞬时功率的变压器励磁涌流和内部故障电流识别新方法。
2.
The frequency spectrum measurement of noise of image intensifiers is achieved by integrating Fast Fouier Transform (FFT) with hardware filter and digital filter.
对一台进口的像增强器信噪比 (SNR)测试仪进行改造 ,重新研制和设计了测试仪的信号处理模块、计算机系统和测试软件 ,采用硬件滤波、软件数字滤波和快速傅里叶变换 (FFT)相结合的方法实现了像增强器噪声的频谱特性测试。
3.
The generalized Pochhammerfrequency equation was presented, and the corresponding frequency spectrum curves in somerange of frequency were-given.
导出了广义Ｐｏｃｈｈａｍｍｅｒ频率方程，研究了不同材料组合及尺度对其频谱特性的影响，并给出了相应的频谱曲线。
3) Spectral characteristic
频谱特性
1.
Acoustic spectral characteristics of drill string of logging while drilling;
随钻测井钻柱声波的频谱特性
2.
In this paper,a spectral method is used to analyze the spectral characteristic of lunar spatial disturbing gravity.
利用谱分析方法,通过对月球外空间扰动引力频谱特性的分析研究,估计了其谱分量信息随高度的衰减特点及在不同频段的谱敏感度,得到了敏感各频段位系数与所需探测器轨道高度的关系,同时为联合不同数据求解月球重力场模型在改进解算方法和跟踪数据定权上提供了参考依据。
4) spectrum characteristics
频谱特性
1.
The spatial energy distribution and the spectrum characteristics in a two-dimensional random medium;
二维随机介质中的能量分布和频谱特性
2.
Spectrum characteristics of signal in broad-band doppler sonar
宽带多普勒声纳信号频谱特性分析
3.
Several modulating strategies and spectrum characteristics are analyzed.
文章首先讨论了几种多电平变换器的拓扑特点,推荐了一种混合型多电平变换器,分析了它的几种调制策略和频谱特性,并进行了电路仿真,比较了它们之间的优劣,给出了连续调制方式下的频谱表达式,仿真验证了结果的正确性,最后总结了几点有用的结论。
5) spectral characteristics
频谱特性
1.
The spectral characteristics, correlated characteristics and time-frequency characteristics of chaff cloud’s reflecting field are analyzed.
分析了箔条云团反射场的频谱特性、相关特性及其时频特性 ,并以球形均匀分布箔条云团为例给出了计算机仿真结
2.
And rules of multi-Raman effect and effect of submillimeter wave laser spectral characteristics under different pumping power,working pressure and tube length were discussed.
在半经典密度矩阵理论的基础上 ,理论研究了超辐射双纵模 CO2 - 9R(3 0 )光泵 NH3分子激光过程中的多拉曼相互作用 ,并研究了不同泵浦功率、工作气压和激光管长等工作参数条件下多拉曼相互作用规律和对超辐射亚毫米波激光频谱特性的影响。
3.
2 μm THz laser spectral characteristics under different pumping power,working pressure and tube length were discussed.
2 μm远红外激光频谱特性的影
6) spectrum characteristic
频谱特性
1.
Network analogy method is used to describe thermoacoustic effect mechanism The mathematical model of network analogy is built to analyze and compare spectrum characteristic of different stack matrices The method can provide theoretical base for choosing stack matrices and solving the frequency couple between stack and thermoacoustic engin
采用网络类比法对回热器热声效应机理进行描述 ,并建立起网络类比数学模型 ,采用该模型对回热器不同填料的频谱特性进行了分析和比较。
2.
This paper introduces theories and methods of establishing combined point mass model, deduces the combined point mass model that considers of the spectrum characteristic and principles of solution, discusses the possibility of establishing the precise exterior gravity field model theoreticall
介绍了建立组合点质量模型的理论与方法;推导了顾及频谱特性的组合点质量模型及其解算原理,从理 论上讨论了建立更严密外部重力场模型的可行性。
3.
Time-frequency analysis technology applied,this paper firstly researched spectrum characteristic of micro-seismic signal from blasting for pressure relief during mining 9902 Mining Face with high bursting danger in Sanhejian Colliery,Xuzhou.
采用时-频分析技术,研究了徐州三河尖煤矿9202冲击矿压高危险工作面开采过程中卸压爆破微震信号的频谱特性,通过对微震信号的谱特性分析,进行卸压爆破效果的评价,从而为冲击矿压灾害动态防治效果的有效检验提供一条新方法。
补充资料：介电损耗特性
分子式：
CAS号：
性质：电介质的介电损耗因数和介电常数受到频率、温度、电压及湿度等种种外界条件影响而变化的性质。通过给出高分子材料的介电损耗特性，可为使用者提供更加全面的性能信息。从而为合理使用材料提供依据。
CAS号：
性质：电介质的介电损耗因数和介电常数受到频率、温度、电压及湿度等种种外界条件影响而变化的性质。通过给出高分子材料的介电损耗特性，可为使用者提供更加全面的性能信息。从而为合理使用材料提供依据。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条