简单讨论了谐振频率修正问题。
根据动力学计算理论，提出一种新的方法来修正跳车法实测频率，以获取较准确的自振频率。
According to dynamics computation theory, this article proposed one new method revises jumps off the law actual frequency, gains the accurate base frequency.
修正后的信号强度和频率估值有相当高的精度。
After correction, the estimates of signal amplitude and frequency have high accuracy.
一是利用分段FFT的相位差修正算法，二是基于二次内插的频率FF T校正法。
One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.
本文利用多项式逼近方法获得了频率和幅值修正的计算公式。
The polynomial approximation method is also employed to obtain simple formulas for frequency and amplitude correction.
提出了利用模态频率、模态振型和模态柔度组合指标作为神经网络修正的输入参数。
And we suggest that mode frequencies, mode shapes and mode flexibility are regarded as input parameters of neural network modification.
文中算例表明，在不增加自由度的前提下采用修正单元进行自由振动分析，结构的频率计算精度可以明显提高。
The numerical results in the paper show that the modified element is used to analyse the free vibration, and the accuracy of the structural frequency is greatly raised at no increasing the freedom.
其次，根据损伤后的结构频率与模态的变化，应用径向基神经网络，进行结构节点固结系数的识别，从而实现对网架结构有限元模型的修正。
Secondly, according to the change of damage structural frequency and modal, the fixity factor is identified by RBF neural network, then FEM correction of truss is finished.
本文分析了光陀螺中由于有限光束宽度对拍频频率的修正因子。
In this paper we analyze the frequency correction caused by a finite beam width in an optical gyro.
以us2型交流电位差计工作原理为例，通过公式推导并附以实验数据给出了频率的修正公式。
With the example of working principle of US2 type ac potential difference accounts, the frequency formula was given by formula deducing and attaching with experiment data.
对于各层结构不同的高层建筑、应用结构摄动理论取得了结构自振频率的修正计算公式。
For different story units of structure, the theory of structural perturbations is used. The correct calculation formulation of free vibration frequency is obtained.
并利用单片机对耳机本身频率响应进行修正，使得显示的分贝数即为实际的分贝数。
Specially, the displaying number of decibel is equal to actual number of decibel, because frequency response of earphone is corrected by software of microchip.
用修正哈达玛方差(MHV)来测量频率源的谱密度已在国内外广泛流行。
Modified Hadamard Variance (MHV) has been widely used for the power spectrum measurement of frequency sources.
基于测量数据的修正，模态频率误差在3%以内。
When experimental data is used, error of modal frequencies is less than 3%.
同时也提出了热跟踪后本振频率跟踪误差项。分析前者，可以决定热跟踪电路应予修正的频率范围，而后者则是跟踪本振最终的误差。
The former determines the frequency range which should be revised by the hot tracking circuit, while the later is the final frequency error of the local oscillator.
使用的方法是基于由一个频率修正增强的一种位置权重矩阵方法，它考虑了蛋白质中出现的氨基酸偏差。
The method employed is based on a position weight matrix approach improved by a frequency correction which takes in to consideration the amino acid bias present in proteins.
此外，利用该桥的实测数据分析了结构固有频率受温度的影响规律，修正了结构模态参数的辨识值。
Then the temperature effect on the structural model frequency is analysed, and the model parameter identification results are modified.
采用一个超声加载频率修正系数对超声疲劳性能试验中载荷频率对疲劳性能的影响进行修正。
A modifying coefficient of load frequency is used to describe the effect of load frequency on fatigue behavior in ultrasonic fatigue testing.
文中提出了一种基于不同残差的桥梁结构模型修正方法，介绍了频率残差和振型残差的概念，目标函数的确定和设计参数的选择方法。
Firstly, the concepts of frequency residual and mode shapes residual are introduced, the determination of objection function and selection methods of updated parameters are emphatically investigated.
若需要，再对渐近对数频率特性曲线进行修正，则可得较准确的曲线。
If necessary, further to the asymptotic logarithmic frequency characteristic curve of an amendment may be a more accurate curve.
研究表明：在本次试验的情况下，频率分离法、频率分离法的应变能修正法可以变形成一个统一的模型表达式。
Research shows that a uniform expression can be obtained according to the law of frequency separation and its revision with strain energy.
利用模态频率修正技术，考虑部件结构优化时，各部件之间模态频率的分离。
To keep frequency separation of components one another, the technique of mode frequency separation was applied while the structure of components was optimized.
飞：可以放行至北京首都国际机场，按计划航路飞行，使用跑道27右，多佛5F离场，修正海压1007，起始高度修正海压上7，000英尺，应答机3037，离场频率119.72 ，英航39。
PF: Clearedto Beijing Capital Airport, flight planned route, using runway 27 right, DOVER 5Foxtrot departure, QNH1007, initial climb to 7,000 feet, squawk 3037, Departureon 119.72, SPEEDBIRD 39.
在不受共振峰值最小限制的前提下，按此修正方法针对不同的激振角频率对优化参数进行修正。
On the premise of no limitation on the peak value of resonance, the method can be used to modify optimal parameters under different angular frequency of excitation.
用实验的方法，对改进的狭缝共振吸声结构的共振频率公式进行修正，使其适合该虚拟仪器系统。
The formant frequency formula can be adapted to the virtual instrument system after being corrected through experiment.
数字补偿器对加速度计频率特性误差做出修正后，测量精度得到明显提高。
The precision can be improved by applying an appropriate digital compensator to the accelerometers.
提出了利用模态频率、模态振型和模态柔度组合指标作为神经网络修正的输入参数。
The mode flexibility and the mode frequency were introduced to the input parameter of neural network system.
提出了利用模态频率、模态振型和模态柔度组合指标作为神经网络修正的输入参数。
The mode flexibility and the mode frequency were introduced to the input parameter of neural network system.
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