查询词典 cosine function

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。

Discrete cosine transform ; basal function ; basal image ; Matlab

离散余弦变换；基函数；基图像； Matlab

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。

The value, y, of the inverse function to cosine at argument x.

余弦函数的反函数。

To reduce the evil influence of the window effect to discrete Fourier transform spectrum analysis, interpolation equations of generalized cosine window function with different K are derived.

为了减少加窗效应对基于离散傅里叶变换频谱分析的测频算法产生的不良影响，推导了不同K值下，广义余弦类窗函数的频谱及幅度比值法插值校正公式。

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。

May be considered the equivalent of 5.9 rock in terms of relative technical ability required.

有很多85至90度冰壁艰苦的绳距，差不多是攀岩5.9所需要的技巧及能力。

Yes. Please have a seat, and we'll call you.

是的。请坐，我会叫您的。