1) local discrete cosine transform
局部离散余弦变换
1.
A new channel estimation for OFDM systems based on local discrete cosine transform(LDCT) is proposed.
论述了一种新的基于局部离散余弦变换(LDCT,local discrete cosine transform)的正交频分复用(OFDM,orthogonal frequency division multiplexing)系统信道估计方法。
2) local cosine transform
局部余弦变换
1.
A 2 4 kb/s low bit rate speech coder based on local cosine transform(LCT) algorithm is designed.
系统地设计了一个基于局部余弦变换的 2 4kb/s低比特率的语音编码器 。
2.
In this paper, empty voronoi problems, ant colony codebook design algorithm, particle swarm optimization codebook design algorithm and split vector quantization based on Local Cosine Transform (LCT) will be discussed.
文中主要分别对码书设计中的LBG算法中空胞腔处理方法研究、蚁群码书设计算法研究、粒子群码书设计算法研究及基于局部余弦变换的分维矢量量化四个问题展开研究。
3) LCT
局部余弦变换
1.
6kbit/s low bit and variable rate speech coder based on local cosine transform (LCT) algorithm for two-way conversational speech was designed for the first time.
提出将局部余弦变换(LCT)算法应用于语音编码中,系统设计了一个平均比特率近1。
4) discrete cosine transform(DCT)
离散余弦变换(DCT)
1.
A new feature extraction method called as 2DDM is proposed based on discrete cosine transform(DCT) and two-dimensional maximum margin criterion(2DMMC).
提出了一种基于离散余弦变换(DCT)和二维最大边缘准则(2DMMC)的2DDM特征提取算法,证明了2DMMC可以直接应用于DCT域,利用欧氏距离测度进行分类的结果与在空域中进行得到的结果完全相同。
5) discrete cosine transformation
离散余弦变换
1.
The application of discrete cosine transformation in flame recognition
离散余弦变换在火焰识别中的应用
2.
A mathematical relation model between liquor near infrared spectrum and liquor alcoholicity was established by use of the combination of discrete cosine transformation (DCT) and BP neural networks, which was a new approach for rapid liquor alcoholicity determination.
采用近红外光谱的离散余弦变换和BP神经网络相结合,建立了白酒近红外光谱与其酒精度之间的数学关系模型,为快速检测白酒的酒精度提供了一种新的方法。
3.
By using the stability of the direct current (DC) coefficient in the blocks of discrete cosine transformation(DCT),the blind video watermarking method of modulating the DCT-blocked DC coefficients to hide the watermark was proposed.
利用离散余弦变换(DCT)直流系数稳定的特点,提出了一种通过调整视频图像的分块DCT直流系数来隐藏水印的方法。
6) discrete cosine transform
离散余弦变换
1.
A method of discrete cosine transform for compressing tea NIR spectra;
茶叶近红外光谱数据的离散余弦变换压缩方法
2.
Digital watermark embedding algorithm based on decomposing discrete cosine transform coefficients;
基于离散余弦变换系数分解的数字水印嵌入算法
3.
The application of discrete cosine transform coding to seismic data compression;
离散余弦变换(DCT)编码在地震勘探数据压缩中的应用
补充资料：Fourier余弦变换
Fourier余弦变换
Fourier cosine transform
I议耐台余弦变换[I饭川份仪d理加田北而;Koc皿yc一uPe-o6pa”。a.e巾yp‘e] 见I议州匕变换(Fou〔屺rtla瑙form).
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条