查询词典 cosine function

The value of the cosine function at argument x.

参数为x的情形下余弦（在原正弦函数中x取余角）函数的数值。

The use of a simple arctangent look-up table method and positive, cosine function, the processing speed of microcontroller programming unpleasant, this is a method used.

详细说明：一个简单的利用查表法的反正切和正、余弦函数，在处理速度不快的单片机编程中，这是一个使用的方法。

Based on pattern transform method with cosine function, a new pattern generation method for handwritten Chinese characters was proposed, which improved the performance of recognition system for handwritten Chinese characters.

提出了一种新的基于余弦整形变换的手写汉字训练样本生成方法，该方法可以有效提高现有手写汉字识别系统的识别性能。

A new pattern generation method is proposed which contributes to improvement of the performance of a handwritten Chinese character recognition system. By using this pattern generation technique, we increase the number of learning patterns by using transform method with cosine function.

在这种背景下，本文的研究目的就是参考国内外最新研究进展，在PRIS实验室的技术积累基础之上，在"金融票据OCR系统中的成套关键技术"的国家863项目的支持下，对金融票据OCR系统中的关键技术进行研究和改进，并结合最新的信息检索领域的应用，提出相应的解决思路。

The results show the temporal pulse shape modulation is affected by the broadening factor and the delay time, as spectrum modulation is only affected by the delay time, and the intensity factor changes similarly with the cosine function of the phase factor.

研究结果表明，时间调制与基元脉冲的展宽量及相邻脉冲之间的延迟时间有关，光谱调制只与相邻脉冲之间的延迟时间有关，而强度的演化则与相位因子的余弦函数演化具有一定的相似性。

According to the design principle of the Nyquist filter of FIR, this article design a FIR filter which uses root raised cosine function of 33 taps.

本文根据奈奎斯特FIR滤波器的设计原理，设计了33阶根升余弦函数FIR滤波器，并提出了用FPGA实现其硬件电路的方案，最后用Modelsim和matlab工具进行了仿真验证。

The top of a spring pendulum is moved to and fro - for example by hand; this motion is assumed as harmonic, which means that it is possible to describe the motion by a cosine function.

一个弹簧振子的顶端被上下来回移动—比方说用手；假设运动为谐振动，也就是意味着有可能用余弦函数来描述此运动。

In order to discuss the rationality of various warping displacement modes, second-degree parabola, cubic parabola, fourth-degree parabola and cosine function are selected respectively. It has been demonstrated that these displacement modes have limitation to some extent, and a more reasonable mode needs to be developed.

为了探讨各种剪滞翘曲位移模式的合理性，分别选取二次抛物线、三次抛物线、四次抛物线及余弦函数等翘曲位移模式进行计算；结果表明，这些翘曲位移模式在一定程度上均存在不足，目前还缺乏一种更加合理的位移模式。

The data parameters were analysed by both the cosine function software and the amplitude F test to reveal the circadian rhythm.

用余弦函数获取节律参数，并经振幅检验分析是否存在昼夜节律。

The traditional OFDM technology adopting complex exponential sub carrier wave base on Fourier transform, which is makeup by many orthogonal cosine function group.

这是因为基于小波的信号分析是一种时频分析，因此，采用合适的正交小波基取代传统的余弦函数基，就可以同时在频域和时域上对信号进行综合考虑。

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。