The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testability and high measure precision.
由于结构频率测试容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.
提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。
The variation of structural frequency before and after the damage is believed to be a most available and widely used modal parameter because of its easy testing and high measure precision.
由于结构频率容易测试并且有较高的测量精度，因此成为损伤识别中广泛应用的模态参数。
AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography.
目的研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法。
This paper on the basis of high order mathematic model, described the frequency bifurcation phenomenon, and used numerical method to bound the bifurcate region of parameter.
本文从非接触电能传输系统的高阶数学模型出发，描述了频率分叉现象，并且用数值方法界定了分叉区域。
In allusion to the problems mentioned above, firstly, the paper models the distribution parameter circuit of the cable and the high frequency circuit of motor through the transmission theory.
针对上述问题，本文首先通过传输线理论建立了机车用电缆的分布参数模型，以及变频调速牵引电机的高频等效电路。
At high frequency band, the frequency response error of a peak detector is the high frequency resonance error mainly produced by the distributive parameter.
峰值检波器的频响误差在高频段主要是由分布参数产生的高频谐振误差。
The parameter equations of a small high-frequency are starter are obtained in this paper, and such equations provide theoretical basis for the ana - lysis and design of the parameters.
本文详细推导了小型高频引弧器的参数方程，为参数分析和设计提供了理论依据。
The state parameter detection circuit can detect the temperature, conductivity of the circulating water and the frequency of high-frequency signals. Then display them on the LCD Screen.
状态参数检测电路对循环水的温度、电导率和高频信号的频率进行实时检测，并通过液晶屏显示。
In this paper, we choose S-parameter as the measuring parameter of an active network at high frequency range.
本文选择s参数作为高频下有源网络的测量参数。
First of all, starting with the estimate of signal parameter (e. g. amplitude, frequency and phasic), it makes a research in algorithms of direct, subdivide the spectrum, high-precision FFT and so on.
首先，本文从信号参数(幅度、频率、相位)估计入手，研究了直接法、细化频谱法和高精度FFT法等算法。
Based on main chain spocket of shearers, the paper describes special requirement of reasonable high frequency quench, quench technology, structure and technology parameter of the inductor.
根据主链轮的受力，确定了合理的高频淬火技术要求、淬火工艺、感应器的结构和工艺参数。
Based on main chain spocket of shearers, the paper describes special requirement of reasonable high frequency quench, quench technology, structure and technology parameter of the inductor.
根据主链轮的受力，确定了合理的高频淬火技术要求、淬火工艺、感应器的结构和工艺参数。
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