余弦

基于MATLAB的离散余弦变换与应用

The Discrete Cosine Transform and Application Based on MATLAB

基于DSP实现根升余弦滤波器的研究

Research on root raised cosine filter based on DSP

二维离散余弦变换与二维离散Fourier变换的快速算法

Fast Algorithm for Two-dimensional Discrete Cosine Transform and Two-dimensional Discrete Fourier Transform

二维离散余弦变换的VLSI实现及IP软核设计

The VLSI Implementation of 2-D DCT and Its Soft Core Design

圆筒受余弦分布压力之解及其k→0的极限

A Solution of Cosine Pressures on a Hollow Cylinder and the Limit When k → 0

基于FPGA的FIR升余弦滚降滤波器设计与实现

Design and Implementation of Raised Cosine Roll-off FIR Filter Based on FPGA

title可以缩写为t，正如我们对余弦曲线的设置。

The title can be abbreviated to t , as we do for the cosine curve .

在绘图中，您可以使用background来清除显示，然后计算发射方向的余弦值。

In draw , you use background to clear the display , and then calculate the direction cosines for the orientation of the cannon .

Chirp哈特利、Chirp余弦、Chirp正弦变换

Chirp Hartley , Chirp cosine and Chirp sine transforms

在图像信息的传递中，将用到离散余弦（DCT）编码。

The delivering of picture information will code with the long-lost cosine ( DCT ) .

张正炳，朱光喜，朱耀庭.基于DCT的超声电视测井图象压缩编码.测井技术，1998，22（2）：87～90介绍了基于离散余弦变换（DCT）的JPEG图象压缩方法。

Introduces the JPEG image compression method based on DCT ( Discrete Cosine Transform ) .

基于MPEG-2视频可变长解码、反量化、反离散余弦变换的FPGA实现

Implementation of Variable Length Decoder 、 Inverse Quantization and Inverse Discrete Cosine Transform in MPEG-2 with FPGA

该方法利用三维帧内预测技术结合三维离散余弦变换有效地去除彩色图像相邻像素间以及R、G、B三帧之间的相关性。

The method utilizes three-dimensional intra-prediction combined with 3 D-DCT to remove the correlations between adjacent pixels in an image and R , G , B frames efficiently .

PWR堆中非均匀余弦加热的传热研究

Studying of heat transfer on vertical nonuniform cosine heating in pressurized water reactor

基于哈特雷变换实现MP3离散余弦解码算法优化研究

Implementation of Decoder Optimization Based On DHT

提出一种高压缩比、高保真度的DCT（离散余弦变换）压缩ECG（心电图）数据的方法。

Method of ECG data compression via DCT was presented with high compression ratio ( CR ) and high fidelity .

H.263中全零离散余弦变换系数的预先判别

Early Detection Method of All-Zero Discrete Cosine Transform Coefficients in H.263

本文使用离散余弦变换（DCT）技术，在变换域内进行有源噪声控制的研究，同时考虑了变换域约束。

A transform-domain algorithm using DCT technique is presented in this paper , and the transform-domain constraint is considered .

用硬件实现的快速的离散余弦逆变换对于提高MPEG解码处理的速度是至关重要的。

A fast , hardware based IDCT implementation is crucial to speed the MPEG decoding process .

文中通过设计正弦和余弦形状PVDF传感器，用于测量振动参数。

The article designed sine-shaped and cosine-shaped PVDF sensors , which were used to measuring vibration parameters .

二维离散余弦变换的FFT及FPT混合算法

FFT FPT hybrid algorithm for 2-D discrete cosine transform

系统采用CPU驱动直流无刷电机转动，编码器输出的正余弦信号指示电机的位置。

The system with CPU drives the DC brushless motor , and the encoder indicates the motor position outputting the sine and cosine signal .

通常调频（FM）中应用的前调制滤波器的单位脉冲响应是升余弦波。

The u-nit - pulse response of the FM modulator with pre - modulation is raised - co sine pulse .

离散余弦变换（DCT）是数字图像处理等许多领域的重要数学工具。

The discrete cosine transform ( DCT ) is an important mathematical tool in digital image processing and many other fields .

通过Laplace变换和余弦变换得出E、S的Fourier分量c、c的常微分方程及其解析形式。

By means of Laplace transformation and cosine transformation , two ordinary differential equations with respect to and , the Fourier components of E and S , are obtained .

用离散余弦变换（DCT）的一种快速算法按方差准则实现心电图（ECG）数据压缩。

A fast algorithm of discrete cosine transform ( DCT ) to implementelectrocardiogram ( ECG ) data compression using Variance criterion is discussed .

本文提出了一种离散余弦变换（DCT）电路的并发故障检测结构。

In this paper , one concurrent error detection ( CED ) design is proposed for discrete cosine transform ( DCT ) .

本文提出一种以离散余弦变换（DCT）为基础的自动相位测量方法并以实验和模拟运算进行验证。

A novel discrete cosine transform ( DCT ) based automated phase measurement method is proposed and verified by a simulation and experiments .

提出了一种基于Loeffler[8]算法的快速实现二维离散余弦变换/反离散余弦变换（2DDCT/IDCT）的方法。

This paper presents a new Loeffler algorithm-based approach to two dimensional forward and Inverse Discrete Cosine Transform ( 2D DCT / IDCT ) for image compressions .

余弦形状的PVDF传感器可以测量振动梁的角位移和剪力；

The cosine PVDF sensor can be used alone to measure the angular displacement and shear of the roof beam vibration ;