The system uses time-frequency tracking loops to extract phase errors from data subcarriers with frequency interpolation to compensate for the estimated carrier frequency offsets.
该方法使用了时频同步跟踪环路，从数据子载波提取相位误差，并利用频域插值补偿多个用户的估计频偏。
This paper discusses a minimum of parameters to determine the trajectory of a circular interpolation method and the method of frequency control stepper motor.
文中讨论了一种以最少参数确定一条圆弧轨迹的插补方法和步进电机变频调速的方法。
The interpolation precision is correlated with Max feed rate pulse equivalent of CNC cyc of interpolation and output impulse frequency of pulse generator.
其插补精度与最大进给速度、机床系统的脉冲当量、插补周期，以及脉冲发生器的输出脉冲频率有关。
By employing the relationship between weights at reference frequency and weights at other frequency, weights at other frequency can be obtained by using DFT interpolation method.
根据参考频率下基阵的权系数与其它子带权系数之间的关系，利用DFT插值的方法求出其它子带的加权系数。
One method is phase difference correction of partly FFT; the other is FFT frequency correction with quadratic interpolation.
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。
An algorithm for power system frequency measurement based on numerical differentiation and central Lagrange interpolation is presented.
提出了一种基于数字微分和拉格朗日插值的系统频率快速而准确的测量算法。
For rectangular window FFT interpolation algorithm, the negative frequency components of harmonic components have a greater impact on the fundamental calculation error.
采用加矩形窗fft插值算法，谐波的负频分量对谐波计算的误差影响较大。
This paper describes also the linear interpolation for the increase of the sampling frequency and the average method for the suppression of the scattering echoes.
还描述了用于提高采样频率的线形内插法和用于抑制分散回声的均值法。
Then the accuracy of approximation, regularity of many-knot splines interpolation method and frequency property of the interpolation kernel are worked out for comparison.
然后分析了多结点样条插值方法的逼近精度、正则性、插值核函数的频域特性。
This algorithm require high interpolation precision because the interpolation is done in frequency domain.
由于该算法在频域插值，对插值精度要求高。
The accuracy measurement of the signal can be achieved with a suitable windowing operation in time domain and an interpolation algorithm in frequency domain.
该算法通过对时域信号加合适的窗函数，并在频域采用相应的内插算法，可以有效地减小测量过程中信号的频谱泄漏，得到精确的测量结果。
Design of broadband array with frequency invariant beam pattern by using DFT interpolation method is presented in this paper.
本文提出一种基于DFT插值的宽带波束形成器设计方法。
A cubic spline interpolation between inductances at low and high frequency gives a good result over the entire frequency range.
对上述离散频率的电感值利用三次样条函数插值，得到整个频率范围内电感的变化曲线。
It was suggested that direct intermediate frequency sampling was approached by two branch sampling, otherwise digital product detector was adopted to digital interpolation.
提出用二分项采样法实现直接中频采样，而数字式检波器采用数字内插法。
A video interpolation algorithm based on triangulation analysis and high-frequency compensation is proposed. And its VLSI architecture implementation is given in this.
提出一种基于三角分析和高频补偿的视频插值算法及其VLSI实现方法。
A method of image magnification with ENO interpolation which based on wavelet transform is presented, to enhance the coefficient of the high frequency subband.
提出了基于小波变换的ENO插值图像放大方法，对插值后的图像做小波变换，对于高频系数进行修正，经过重构保持放大图像的清晰度。
An inverse temporal and spatial Fourier transform is applied to the estimated frequency-wavenumber spectrum, generating trace interpolation of the seismic data.
将逆时间和空间傅立叶变换应用于估计频率-波数谱，从而产生该地震数据的轨迹内插。
This paper proposes a frequency spectrum analysis method and a fast algorithm on the interpolation signal with equal samples interval.
本文提出了等间隔加密信号的频谱分析方法和计算加密信号的快速算法。
This artical deals with interpolation and frequency converter of micro-computer numerical control wire cut EDM.
本文涉及线切割机微机数控系统的插补法以及变频装置的问题。
A digital frequency synthesizer without ROM look up table is presented, a piecewise linear interpolation scheme is used to approximate a sinusoid function.
该方法使用具有分段连续的线性分段来近似正弦函数曲线的第一象限部分，根据正弦曲线的对称性，构成完整的正弦曲线。
The invention overcomes the shortcoming that the original linearity interpolation operation leads to high frequency degeneration and picture vague.
本发 明克服了原线性插值运算导致高频退化、图像模糊的缺陷。
Then a low pass filter is designed to filter high - frequency noise in data. and smooth data again by means of central interpolation algorithm ;
剔除并补正了飞行实验数据中的野值；设计了一个低通滤波器来滤除数据中的高频噪声；用中心插值演算法对数据二次平滑。
Two major points are discussed about the design of sampling frequency change :the interpolation of the signal of integer and reslization of MATLAB ;
在频率转换的设计过程中主要讨论了两个问题，其一是信号的整数倍内插及MATLAB实现；
Two major points are discussed about the design of sampling frequency change :the interpolation of the signal of integer and reslization of MATLAB ;
在频率转换的设计过程中主要讨论了两个问题，其一是信号的整数倍内插及MATLAB实现；
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