余弦曲线

Let's now examine the simplest wave from 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。

This is a painting sine and cosine curve curve contro...

这是一个画正弦曲线和余弦曲线控制图，请大家自己去运行一下，还比较好的。

These functions can make the courseware to produce the complicacy but accurate effect, such as sinusoid and cosine curve which this courseware demanded.

这些功能使课件的动画能够产生复杂而精确的效果，如本课件需要动态生成正余弦曲线。

At present the camber process system is more advanced in china. We imported servo-drive equipment with digital control system , greatly improved our process precision, can produce multi-curve camber such as cosine curve. The process ability is up to 680mm in diameter and 10m in length.

该系统是目前国内较为先进的胶辊中高加工设备，采用进口数控系统和高精度的伺服驱动设备，使加工精度大大提高，可加工如余弦曲线等多种曲线中高，加工能力为直径680mm，长度10000mm。

With the same monitoring thickness, the actual thickness of thin film deposited on the substrate decreases gradually as the oblique angle increases, but this thickness is still greater than theoretical thickness revealed by the cosine curve.

在相同的监控厚度时，随倾斜角度增大，沉积到基片上的薄膜厚度逐渐变小，但仍然大于余弦曲线显示的理论厚度。

The test results indicate that Lambert cosine radiation characteristic of the new method has a distinct improvement, and the incidence normalized curve approaches to the standard cosine curve in the 0° and 45°.

测试结果表明，新工艺的朗伯余弦辐射特性得到明显改善，在0°与45°入射时，归一化曲线接近标准余弦曲线；300 nm处半球反射率均匀度从0.77提高到0.98；200~400 nm处半球反射率平均提高33%；将其应用于紫外－真空紫外遥感仪器上进行了角度响应测试，漫反射特性明显优于美国2002年发射的同类仪器SBUV/2。

The test results indicate that Lambert cosine radiation characteristic of the new method has a distinct improvement, and the incidence normalized curve approaches to the standard cosine curve in the 0° and 45°. Moreover,with the new mehtod, hemisphere index of reflection uniformity increases from 0.77 to 0.98 at 300 nm and the hemisphere index of reflection averagely enhances by 33% at 200~400 nm.

测试结果表明，新工艺的朗伯余弦辐射特性得到明显改善，在0°与45°入射时，归一化曲线接近标准余弦曲线；300 nm处半球反射率均匀度从0.77提高到0.98；200~400 nm处半球反射率平均提高33%；将其应用于紫外-真空紫外遥感仪器上进行了角度响应测试，漫反射特性明显优于美国2002年发射的同类仪器SBUV/2。

To satisfy the requirements of fast producing,low cost manufacture and large thickness preforming in the field of non-resin winding cylinder composite,the equation of retracing cosine curve was deduced based on the section principle.

最后基于对余弦折回曲线的分析，利用数值模拟证实余弦折回曲线在干纱缠绕圆柱壳体预成型中有利于高速加工；在缠绕厚度相对不大且需要高速缠绕加工情况下，可采用余弦曲线作为端部区段的折回曲线。

The maximal depth model for single-pass milling process, the depth and surface roughness for plane surface are established. The milled profile of a single-pass milling of the jet can be modeled as a cosine curve of the form. Therefore, the maximal depth model for single-pass milling is established which indicates the quantitative relationship between the AWJ single-pass milling depth and the milling parameters.

假设磨料水射流单次铣削时的工件横截面形状为余弦曲线，建立了磨料水射流单次铣削的最大深度模型，分析了水射流压力、磨料流量、靶距、喷嘴横移速度、横向进给量和喷嘴直径及材料性能参数对单次铣削最大深度的影响规律。

Let's now examine the simplest wave from where the profile is a sine or co sine 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。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。