余弦

This paper applies 2-D Dcr to the remote sensing image fusion between panchromatic and multi-spectrul images.

本文将二维离散余弦变换应用于多光谱图像与全色光学图像融合问题的研究中。

To demonstrate the effects of vibrating intensity parameter and model parameter, the curve of the shear stress distribution was made according to different parameter.

结果表明：在环形流道中，流体的应力是半径和时间的函数，剪切应力与时间成余弦关系。

In chapter five,we study a general cosine－forced stochastic system and derive the equilibrium time correlation function using the perturbation theory and the linear response theory respectively.

在第五章中，我们分别用微扰理论和线性相关理论研究了有余弦周期信号输入的随机系统的动力学量的平衡时间关联函数。

It is mainly caused by Sine and Cosine functions using in polar coordinates which have non-linear character,accordingly multiply is inevitable.

这主要是因为极坐标所用到的正弦函数和余弦函数具有非线性特性，使将来运算基本单元的乘法不可避免。

A method of hardware design using two dimension discrete cosines to preprocess infrared images based on FPGA was put forward.

提出了一种以FPGA为硬件载体的二维离散余弦变换对红外图像预处理的硬件设计方法。

Watermark casting operates in frequency domain,embeds pseudo random sequence of real number in selected coefficients without image degradation To insert the watermark image and the original image from the original look and value and the picture basically the same.

本文主要研究针对图像水印系统的算法研究，采用离散余弦的实现方式对图片进行水印的处理，让插入水印后的图片和原来的图片从外观和价值和原来的图片基本一致。

Returns the cosine of a radian angle x .

返回 x 的余弦值。

If, for example, you major in‵mathematics, you're going to wander into class one day ｜and the professor will say:①"Define the cosine integer｜of the quadrant of the rhomboid ‵binary axis, and extrapolate your result to five significant vertices."

例如，你主修数学，一天，你闲逛着走进教室，老师说：①"请定义菱形二元坐标象限的余弦积分，并将结果推广到五个有效顶点的情形。"

Sets value to the cosine of 0, which is approximately 1.0possibly with some rounding error.

设置value为0的余弦值，约等于1.0。

It is a new method that calculates vertical second derivative of gravity anomalies based on discrete cosine transform.

基于离散余弦变换(DCT， Discrete Cosine Transform)的重力异常垂向二阶导数的计算方法，是笔者提出的新方法。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。