进行电路设计,使DMM能测量出较高频率函数信号的有效值和频率。
By circuit design DMM can measure function signal's RMS and frequency.
这些度量值包括访问应用程序中某个函数的频率或处理一个请求花费的时间等。
These measurements could be regarding how often a certain function in your application is accessed, or how long a request took to handle.
构造函数接受一个由观察到的频率组成的数组、alpha概率断开点(cutoffscore)和一个可选的期望概率的数组。
The constructor accepts an array of observed frequencies, an alpha probability cutoff score, and an optional array of expected probabilities.
增加一个定时器并且每秒钟调用一次此函数(服务器的性能好的话可以提高此频率)。
Add a timer to call this function after a second (increase frequency if server load is too high).
利用相函数的频谱分析求其自功率谱,可以反映它的频率结构。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
理论上基于载流子消耗机制,对激光器型波长转换器进行了小信号分析,给出了频率响应函数。
The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given.
小波变换作为频率和时间的二元函数,使之可以很方便地在频率和时间域中同时进行地震波能量的吸收衰减补偿。
Wavelet transform involves the two-variate function of frequency and time, which makes it convenient to simultaneously compensate for attenuation of seismic energy in frequency and time domains.
基于空间频率的方法估计纹理的自相关函数。
Methods based on spatial frequencies evaluate the coefficients of the autocorrelation function of the texture.
相函数的自功率谱一般具有两个峰值频率,其相应的频率分量决定相函数的波峰特征。
The auto power spectrum of phase function commonly has two extreme frequencies, and the corresponding frequency components decide the peak characteristics of phase function.
反函数提供频率和时间间隔的测量。
Counter functions provide frequency and time interval measurements.
油锯系统的频率响应函数反映油锯系统的动态特性。
The frequency response function of power saw system reflects the dynamic characteristic of the system.
本文通过对锚泊非线性水动力系统进行分析,首次将两种方法取得的频率响应函数结果进行对比。
In this paper, the frequency response functions obtained by using these two methods are first compared through analysis of non-linear mooring system.
对电子显微解卷,得到与频率无关的传递函数,提高了电子显微像的分辨率。
Tranfer function independent of frequency for electron micrograph deconvolution is obtained, which improves the resolution of electron micrograph.
提出了将时域动态响应、频率响应函数和均方根值作为机械振动对光束传输性能影响的定量评价值。
Time domain dynamics response, frequency response function and root mean square value are taken to evaluate the vibration influence on the light-beam propagation performance quantitatively.
采用摄动法研究了楔形杆轴的固有纵扭振动,并且推导出了其固有纵扭振动的振型函数及频率特征方程。
The natural longitudinal or torsional vibration of a wedge-shaped shaft is studied with perturbation method. The vibration mode function and the frequency characteristic equation are derived.
并用一种新方法求取了该振动系统的复合频率响应函数。
The complex frequency response function of the vibrating system is obtained by means of a new method.
基于广义频率响应函数矩阵,讨论了多变量非线性系统的稳定性问题。
The stability of multivariable nonlinear control system is discussed in connection with the generalized frequency response function matrix.
频率转移函数是相关跳频的关键技术之一,将直接影响相关跳频通信系统的性能。
The frequency transition function in DFH system is one of the key technologies and will influences the performance of the corresponding communication system considerably.
研究将实测结构频率响应函数作为反向传递人工神经网络的输入数据,用来进行结构健康检测。
This paper deals with the structural health detection using measured frequency response functions (FRFs) as input data toa back propagation (BP) artificial neural networks (ANNs).
根据该方法,相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
静态特性计算运用零频率的传递函数。
Calculations of static properties are dealt with transfer functions at zero frequency.
以线性系统频率响应函数的辨识为研究课题,对系统辨识中所面临的各种干扰噪声对模型精度估计的影响进行了系统的研究。
Serving as the question for study with identification of the frequency response function of the linear system, the effects of noises for estimated accuracy are discussed.
首先,用多尺度法导出弱非线性强迫激励系统的频率响应函数。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
推导了地面简谐运动作用下的加速度和位移的频率响应函数。
The frequency response functions of relative displacement and absolute acceleration are derived under acting of harmonic ground excitation.
这个函数在固有频率上有峰值。
At the natural frequencies, there is a peak in the function.
介绍了差分跳频技术的特点,构造了一类基于回归移位寄存器的频率转移函数。
In this paper, the characteristics of the DFH technologies are described, and the frequency transition function based on the recursive shift register is proposed.
有限扩散模型则利用孔隙率与扩散系数和频率间的函数关系测定;
Using the function between the porosity and the diffusion coefficient and frequency in the diffusion impedance, the finite diffusion model evaluated the porosity.
因此在工程计算中不计相干函数随频率的变化不会带来太大的误差。
So, in engineering computation it is acceptable to neglect the directional variation of coherence value with frequency.
由于桩基础的阻抗函数随频率变化,所以结构的刚度矩阵也是频率的函数。
The structural stiffness matrix is the function of frequency because that the impedance function of the pile foundation changes with its frequency.
求出了频率响应函数以及输入为平稳和非平稳情况下的功率谱函数。
The frequency response function and the power spectrum function for stationary and non-stationary inputs are obtained.
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