经检验该方法可以达到理想的辨识效果,从而为系统反滤波动态误差修正奠定了基础。
The model can be used to establish a base for dynamic error inverse-filtering calibration.
文中简要介绍了吸收补偿反滤波器的原理,并应用吸收补偿反滤波器对常规叠加数据进行处理。
The paper briefly introduced the principle of inverse filter for compensating absorption and applied the inverse filter for compensating absorption to process the common stack data.
结果表明,与传统的处理方法(包括三因子反滤波和趋肤效应提升)相比,该方法可大大地改进感应测井的精度。
The processing result indicates the least square inverse filtering can produce an improved resistivity profile which resembles the "true"profile more closel…
本文通过最小平方反滤波和最小熵反滤波两种方法对测井曲线进行处理,就可以消除井与围岩的影响,实现准确分层定厚的目的。
By using the methods of least square and minimum entropy deconvolution to process the well-log, the effect of well and wall rocks can be removed, so that the thickness of each layer can be determined.
对改进算法中二次滤波的噪声方差参数选取采取一种计算反卷积剩余误差的方法,用在第二次滤波步骤中。
The paper also gives an algorithm for estimating the variance of the imaging noises by computing residual deconvolution errors, which is used in the second step of the modified Wiener filter.
在用带有噪声的信号进行反卷积时,没有严格的解,必须采用滤波器方能得到稳定、平滑的估计解。
When deconvoluting the signal with noise, there are no exact solutions, so we must use filter to get stable and smooth estimated solutions.
它们可统一处理白噪声反卷积融合滤波、平滑和预报问题。
They can handle the white noise deconvolution fused filtering, smoothing and prediction problems in a unified framework.
本文介绍了一种确定反卷积的最佳滤波参数的新方法。
In this paper, a new method to determine the optimum filtering parameters of deconvolution is presented.
而将串联频散补偿算法与限幅补偿算法相结合,可形成一种新的常规反Q滤波方法。
The combination of cascaded frequency dispersive compensation algorithm with restrainedamplitude compensation algorithm results in a new routine inverse Q filtering method.
利用后滤波的原理,对多邻接点时新边界点的选择和轮廓端点的对称合成等问题进行了分析,采用构造拟合曲线查找表进行曲线拟合的方法实现反走样。
By use of the theory of after filter, the problems of selecting new boundary point when several points border upon each other and symmetrical combination for outline points are analyzed.
然后对解码器进行复杂度分析,找出解码耗时的关键部分分别为运动补偿、反变换、环路滤波等模块。
Then analyses the complexity of AVS decoder and finds out the the critical modules are motion compensation, integer transform, quantization and loop filter.
设计了一种基于自适应反步控制的永磁同步电动机非线性速度控制器,采用二阶滤波环节平滑速度指令。
A nonlinear speed controller for permanent magnet synchronous motor based on adaptive backstepping control was designed, which USES second-order filter to smooth the speed reference.
在分析空—时逆滤波和时反处理关系的基础上,提出了一种迭代时反的方法。
The relation between spatiotemporal inverse filter and time reversal is analyzed, and the iterative time reversal is presented.
反卷积滤波器的结构等效于输出观测器和一个线性映射,该线性映射反映了未知输入与输出估计误差之间的内在联系。
The deconvolution filter is made up of an output observer and a linear mapping, where the latter reflects the internal connection between the unknown input signals and the output estimate error.
试验表明,反q滤波对提高弱反射能量、提高分辨率和增强连续性都是有利的。
Experiments show that inverse Q filtering favours the improvement of weak reflections, resolution and lateral continuation.
研究表明,高采样频率和高阶反混叠滤波器有助于提高系统信噪比;
Higher sampling frequencies and higher order anti-aliasing filters help suppress noise.
又根据数字反卷积滤波器的特点,将这一结果推广到其他类型的反卷积滤波器,并给出了相应的表达式。
Based on the features of deconvolution filter, this result is extended to other types of deconvolution filter, and corresponding formulae are given.
该方法是将拾振器的输出信号作为FIR横向滤波器的输入,用自适应rls算法对FIR横向滤波器系数进行辨识而最终获得可以恢复拾振器原始输入信号的反卷积滤波器。
The coefficients of the FIR transversal filter was identified by using adaptive RLS algorithm while the output signal of the vibration pick-up was input into the FIR transversal filter.
数据采集系统通常在前面的信号调节级中需要反叠叠低通滤波器以及低通噪声滤波器。
Data acquisition systems usually require anti-superimposing low-pass filter as well as low-pass noise filters in their preceding signal conditioning stages.
将这种滤波器放置在傅里叶反变换产生相关输出之前的联合功率谱面上,该技术可以应用在具有不同灰度图像的模式识别中。
The filter is put on the power spectrum before applying the inverse Fourier transform to yield the correlation output. This technique can be used in pattern recognition of grey level input image.
首先采用反锐化滤波器对血管造影图像进行对比度调整,然后通过频域高通滤波去除背景中的一致性成分。
We first employed the unsharp masking to adjust the contrast of angiograms, and then removed the consistent component of low frequency in frequency domain by high-pass filtering.
并采用高集成度的开关电容滤波器,系统的采样频率和反混迭滤波器的截止频率可在一定范围内任意给定。
Using the highly-integrated Switch-Capacitor filter, the sampling rate and the cut-off frequency of the anti-alias filter can be arbitrarily selected within some range.
内建的冲突映射和透视修正后的mipmap、滤波和反走样保证了出色的图像质量(为此必须有效OSA)。
The standard, built-in bump mapping and perspective-corrected mip-mapping, filtering, and anti-aliasing guarantee outstanding images (set DisplayButtons OSA to ON for this).
采用谱白化、反Q滤波等手段进行资料处理,获得了分辨率和信噪比均较高的时间剖面。
By making data acquisition with high resolution seismic survey, the raw data with high frequency and broadband were thus obtained.
采用谱白化、反Q滤波等手段进行资料处理,获得了分辨率和信噪比均较高的时间剖面。
By making data acquisition with high resolution seismic survey, the raw data with high frequency and broadband were thus obtained.
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