interpolating spline function

Realization of high performance interpolation module for time-frequency measurement;

时频测量高性能内插模块实现

Anti-aliasing algorithm of nonstationary harmonic signal measurement based on interpolation in frequency domain using short time Fourier transform;

基于短时傅里叶变换检测非平稳信号的频域内插优化抗混叠算法

Application of Kriging Interpolation to Spatial Data of Pearl River Riverway;

克里金在珠江河道地形空间数据内插中的应用

The improved interpolating model is used in the definition of edge consistency values and initial values for differential equation.

提出的二维交替算法，具有快速收敛及确保精度等特点，改进后的内插模型解决了流场和浓度场的初始值和边界条件问题，形成了全湖数字高程模型；在浓度等值线快速生成的基础上，通过接口自动形成信息系统空间和属性文件，完成了专题自动分类。

Bandwidth and offset of CMOS folding preprocessing circuit are the main factors, which limit the dynamic and static characteristics of folding-interpolating ADC.

CMOS折叠预处理电路的带宽和失调是限制折叠内插式ADC的动态和静态特性的主要原因之一。

An 8-bit folding and interpolating ADC using auto-zero compensation technique is presented and simulated by means of Star-Sim program.

分析了高速折叠内插式ADC结构和各种影响ADC性能的因素,基于自动调零技术原理,在前置放大器与折叠放大器之间引入差分对,实现放大器失调电压的补偿。

So,an adaptive method how to interpolate grid DEM combining their merits was provided.

首先对内插格网DEM的两种常用的方法(移动曲面内插法和加权最小二乘法)作了较为详细的叙述,对比其优劣。

In order to ensure cementing quality and finish the casing running perfectly,the interpolation method is applied to the course of cementing,by which the channeling problem of super-large casing can be solved.

为提高固井质量,保证各开套管安全下送到位,采用内插法固井解决了超大套管固井的窜槽问题;采用单级双封固井工艺解决了超长易漏封固段固井质量、水泥浆密度与漏失的矛盾;采用先悬挂后回接的固井工艺实现超长管柱固井作业;采用塑性防窜超低密度水泥浆体系解决了恶性漏失地层的固井漏失问题;采用防塌、防气窜、抗高温水泥浆体系,解决了超深井段所固有的超高压、超高温引发的固井难题。

The method of delay chain interpolation is commonly applied in high accuracy time interval measurement,which has the advantages of simplicity and is easy for on chip implementation.

延迟线内插法是一种常用的时间间隔高精度测量方法,具有结构简单、便于片上实现的特点。

The principle of linear interpolation and its application in computer data collection system were presented and the errors of deversified means were contrasted.

将直线内插法用于电力系统微机数据采集系统中,对不同处理方法的测量误差做了对比。

In view of some drawbacks in gray associative analysis method, this paper presents a linear interpolation method, which considerably improves the resolution.

针对当前灰关联评价法的不足 ,采用线性内插的方法进行了改进 ,提高了分辨率 ,在此基础上 ,以马颊河为例 ,对其 1 986～1 998年间的水环境监测数据进行了评价 ,得到了较为可靠且可比的结果。

The paper investigate a structure of the digital down-converter(DDC) and put forward a design of numerical controlled oscillator with method of tabulation view and fraction ratio decimation filter with mixing linear interpolation algorithm and CIC filter,so that the DDC process could be implemented in software on general purpose DSP chip and afford greater flexibility.

论述了数字下变频器的结构,探讨了采用查表方法实现数字控制振荡器,利用线性内插方法结合级联积分梳妆滤波器实现分数比抽取滤波,从而达到降低数字下变频器复杂性的目的,使得数字下变频处理可以在通用数字信号处理芯片中用软件实现。

In the context, qualified visual three-dimensional ICT pictures are achieved through multi-piece two-dimensional images accumulation by, combining with thresholding method and linear interpolation.

工业CT图像三维重建是近年来工业CT技术研究的热点之一,将二维断层图像数据直接堆垒起来,结合阈值分割、线性内插等方法,获得了直观性较好的三维工业CT图像。