It is pointed out that the orbit of a particle ejected from apsis is a sine spiral.
用把方程的解设为余弦函数多项式的一种直接方法，求解了受幂律引力作用的质点一类非线性轨道微分方程，从而得出在幂律引力作用下从拱点抛出质点的运动轨道是正弦螺
Illustrating ellipse and sinusoid 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。
In this paper we discuss the representation of integral circle,cycloid and sinusoid 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。
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。
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。
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。
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。
The Development of the Courseware of Applying Visual Basic Language to Simulating "Drawing Image of Sine Function with Sine Line";
利用Visual Basic语言模拟“用正弦线作正弦函数图象”的课件开发
Show that we have the following special cases of the sinusoidal spiral, =acosn, where n is a rational number
试证明:我们有正弦螺线?＃?cosnθ(n是有理数)的下列特殊情况。
Show that we have the following special cases of the sinusoidal spiral, =acosnθ, where n is a rational number.
试证明：我们有正弦螺线?＃?cosnθ（n 是有理数）的下列特殊情况。
a wave whose waveform resembles a sine curve.
波形类似正弦曲线的波。
Research of the Read-out Circuit for the Microgyroscope Using Double Modulating Sine Wave
基于双正弦载波调制的微陀螺测控电路研究
Study on the Bandwidth Measurement Method of Fiber Optic Gyroscope with Sine Modulation
采用正弦调制测量光纤陀螺带宽的方法研究
The nonlinear wave shape degenerates to a sinusoidal wave.
非线性波形衰减成正弦波。
Gradually, the separate sine waves have become visible.
逐渐地，“正弦波”曲线出现明显的分离。
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
Sinuous Antenna Design With Its Backed Reflexible Cavity
超宽带正弦天线及其反射背腔的设计
The Development of the Courseware of Applying Visual Basic Language to Simulating "Drawing Image of Sine Function with Sine Line";
利用Visual Basic语言模拟“用正弦线作正弦函数图象”的课件开发
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
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。
To alter the pitch of(a propeller)so that the chords of the blades are parallel with the line of flight.
顺流交距把螺旋桨叶转到使桨弦大致和拉力轴线平行
sine-cosine resolver
正弦－余弦解算装置
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。
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。
A PERTURBATION METHOD FOR THE NONLINEAR DRIFT WAVES DRIVEN BY A SINUSOIDAL WAVE
微扰法解由正弦波驱动的非线性漂移波的分岔
Optimal Sliding Mode Control for Linear Time-Delay Systems with Sinusoidal Disturbances;
带正弦扰动的线性时滞系统的最优滑模控制