正弦曲线拟合,sine curve fitting
1)sine curve fitting正弦曲线拟合
1.This paper introduces eight methods of time-frequency analysis,such as Hilbert transform,Hilbert-Huang transform,sine curve fitting,Ricker wavelet matching,short time Fourier transform,wavelet .本文介绍了Hilbert变换、Hilbert-Huang变换、正弦曲线拟合、雷克子波匹配、短时傅立叶变换、小波变换、S变换以及Cohen类这八种方法,并从时间分辨率、频率分辨率,以及对多频率成份信号适应能力等各方面阐述了各种方法的优缺点,对其中的一些方法结合了理论记录进行了试算,进一步阐述了这些方法的长处和不足之处。
2)fitted sine curve正弦拟合曲线
3)sin curve fitting algorithm正弦曲线拟合算法
1.The article describes the basic conception ofsin curve fitting algorithm in terms of actual operating,designing trait and information.叙述了正弦曲线拟合算法的基本概念,结合电力系统现场运行、设计的特点和资料,介绍了正弦曲线拟合的基本概念。
4)sinusoid[英]["sain?s?id][美]["sa?n?,s??d]正弦曲线
1.Illustrating ellipse andsinusoid curves,the coordinate conversion and programming in the process of using macro command were stated.探讨了常见非圆弧曲线的加工方法,并以椭圆及正弦曲线为例,叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
2.In this paper we discuss the representation of integral circle,cycloid andsinusoid on a period by uniform C-B-splines of degree 3.本文给出了整圆、一个周期上的摆线及正弦曲线的三次均匀C-B样条表示。
3.A digital frequency synthesizer without ROM look up table is presented,a piecewise linear interpolation scheme is used to approximate asinusoid 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。
英文短句/例句
1.a wave whose waveform resembles a sine curve.波形类似正弦曲线的波。
2.Nonlinear Analysis of Large Span Cable Structure Using a Tow-Node Curved Element;大跨度悬索结构正弦曲线单元几何非线性分析
3.The waves are sinusoidal in nature, and they have an amplitude and a frequency.声波实质上是正弦曲线，它有振幅和频率。
4.analysis of a periodic function into a sum of simple sinusoidal components.周期函数解成简单正弦曲线之和的分析。
5.Establishment of 1D Quantitative Theoretical Model of Base-level Cycle of Sinusoidal Curve Stratigraphy正弦曲线型地层基准面旋回一维定量理论模型的建立
6.Frequency-domain reflectometry( FDR): The loop is sounded with a swept sinusoid to identify frequencies that either resonate or are“ dead.频域反射器（DR）用一个扫频正弦曲线来探测哪些频段是共振的还是“静默”的。
7.Adopting the form closure error and the motion transmission error of sine curve to carrying out theoretical analysis of this cam mechanism.对该凸轮机构采用正弦曲线的形封闭误差和运动传递误差进行了理论分析。
8.Gradually, the separate sine waves have become visible.逐渐地，“正弦波”曲线出现明显的分离。
9.Let"s now examine the simplest wave form where the profile is a sine or cosine curve现在让我们来考察最简单的波形，它的剖面图是正弦或余弦曲线。
10.Chord:a line segment that joins two points on a curve.弦:将两点用曲线连接起来的曲线段.
11.A line segment that joins two points on a curve.弦将两点用曲线连接起来的曲线段
12.Alignment fields consist of very low distortion sinusoidal waves.排队过程包含很低的扭曲的正弦波。
13.Establishment of Hyperbolic Sine Constitutive Relationship for Ti-6Al-2Zr-1Mo-1V AlloyTi-6Al-2Zr-1Mo-1V合金的双曲正弦本构关系
14.Thus every motion corresponding to any initial curve is no more than a sum of sinusoidal periodic modes.这样，每一个对应于任一初始曲线的运动不外乎是正弦周期模式的和。
15.Influence to Calculation of Dropper Caused by Variation of Tension Force of Wires and Ropes in Curve Section曲线区段线索张力变化对吊弦计算的影响
16.The nonlinear wave shape degenerates to a sinusoidal wave.非线性波形衰减成正弦波。
17.On the Solution of the Linear Sine-type Difference Equation;一阶线性正弦型差分方程的解的讨论
18.Sinuous Antenna Design With Its Backed Reflexible Cavity超宽带正弦天线及其反射背腔的设计
相关短句/例句
fitted sine curve正弦拟合曲线
3)sin curve fitting algorithm正弦曲线拟合算法
1.The article describes the basic conception ofsin curve fitting algorithm in terms of actual operating,designing trait and information.叙述了正弦曲线拟合算法的基本概念,结合电力系统现场运行、设计的特点和资料,介绍了正弦曲线拟合的基本概念。
4)sinusoid[英]["sain?s?id][美]["sa?n?,s??d]正弦曲线
1.Illustrating ellipse andsinusoid curves,the coordinate conversion and programming in the process of using macro command were stated.探讨了常见非圆弧曲线的加工方法,并以椭圆及正弦曲线为例,叙述了在使用宏指令加工过程中坐标值的数据转换及程序编制。
2.In this paper we discuss the representation of integral circle,cycloid andsinusoid on a period by uniform C-B-splines of degree 3.本文给出了整圆、一个周期上的摆线及正弦曲线的三次均匀C-B样条表示。
3.A digital frequency synthesizer without ROM look up table is presented,a piecewise linear interpolation scheme is used to approximate asinusoid 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。
5)Sine curve正弦曲线
1.Considering the sine curve as the primary equation of hydraulic geometry andsolving togather with continunity eqution of water flowing and other relative equations, depth, breadth and slope of sinuous channel have been deduced.选用正弦曲线的河床形态作为原生的河相关系式，与水流连续性等方程联解，导出蜿蜒型河道的河相关系式。
2.A real-time fast interpolation algorithm for hdical and sine curves based on the principleof time-slicing method is proposed.提出了一种基于时间分割法的带前加减速控制的螺旋线及正弦曲线的快速插补算法，并分析了其插补精度；该算法具有速度快、精度高等优点。
3.This paper discusses a method of synthesizing free curve and sine curve.本文提出自由曲线和正弦曲线合成的方法,通过调整正弦曲线的幅值和频率,改变合成曲线的形状,这种方法易于实现和分解,并可用于描述随机形状。
6)sinusoidal curve正弦曲线
1.A Fast Approach to Detect a Kind of Sinusoidal Curves Using Hough Transform;一类正弦曲线的Hough变换快速检测方法
2.In present work, it is exceedingly difficult to control the scale and precision of some special surfaces such assinusoidal curve, ellipse, parabola, etc.在普通机床加工一些特殊曲面如:正弦曲线、椭圆、抛物线等是非常难控制其尺寸精度的,而螺纹车削由于切削速度较快,切削力较高和作用力聚集范围较窄导致加工难度高。
延伸阅读
正弦曲线正弦曲线可表示为y=(sin x)+k，定义为函数y=(sinx)+k在直角坐标系上的图象，其中sin为正弦符号，x是直角坐标系x轴上的数值，y是在同一直角坐标系上函数对应的y值，k是常数（k∈r）正弦曲线为过原点的以原点为对称的波浪线
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