查询词典 compression of data

A rate-distortion model is presented in order to make use of the down channel of deep space effectively and analyzed the error of image loss compression exactly.It is fit for CCSDS image compression standards based on wavelet transform.

中文摘要：为了能更好地利用有限地深空通信下行信道资源，更准确地分析图像有损压缩的失真大小，提出了一种适合于CCS-DS基于小波变换图像压缩标准的速率-失真模型。

Based on characteristics of L-shaped short composite column of concrete-filled square steel tubes, research on calculation method and ultimate load-carrying capacity under axial compression for the special-shaped column is done by three methods: superposition theory, finite element analysis and axial compression test.

在分析L形方钢管混凝土组合异形柱特点的基础上，通过理论计算、有限元分析和轴压试验，对L形组合短柱的计算方法和轴压极限承载力进行研究。

On the basis of above-mentioned theory, Lime rock specimens indifferent scale series from Hebei Jingxing is tested under uniaxial compression.Besides, through numerical simulation and test of coal specimens from Datongand Luan scale effects rule is found out. And that, physical and mechanicalcharacteristics of specimens are studied under uniaxial compression.

基于上述理论认识，通过对室内不同尺度系列的井陉石灰岩单轴压缩试验和数值模拟，以及对大同、潞安的有关煤样试验，得出了尺度效应相关规律，并对岩样在单轴压缩过程中相应的物理力学现象进行了分析研究。

But the dependency of the first type compression wave and the shear wave is much smaller than that of the second type compression wave.

通过对比u-w和u-p方程的结果，首次定量说明了u-p方程适用于包含地震工程在内的大多数工程问题。

A wavelet compression algorithm with compression rate adaptivity is proposed.

4提出了一种压缩率自适应的小波压缩算法。

In the context of texture compression, fixed-rate compressions are summarized and a compression algorithm based on texture is given.

在纹理压缩方面，综合了定比压缩的各种方法，并提出了一种适用于纹理的压缩编码方式。

The results obtained from finite analyses indicate, under assured weld quality, the effect of ratio of axial compression stress to strength is relative better to moment-resistant bearing capacity of column joint, the ratio of axial compression stress to strength is bigger, the moment-resistant bearing capacity of column joint is bigger, earthquake resistant capacity is better

结果分析表明：在保证焊接质量的前提下，轴压比对节点柱的抗弯承载力影响较大，轴压比越大，抗弯承载力越大，节点的抗震性能越好。

Filters include cropping, scaling, vertical flipping, horizontal mirroring, expanding to create letterboxes, rotating, brightness/contrast, changing the aspect ratio of the video's pixels, colorspace conversion, hue/saturation, color-specific gamma correction, filters for reducing the visibiltiy of compression artifacts caused by MPEG compression, automatic brightness/contrast enhancement, sharpness/blur, denoising filters, and several different ways of deinterlacing.

滤镜包括剪裁，缩放，垂直翻转；均衡器，拓展到创建字元框，旋转，亮度/对比度，改变视频横纵比；颜色空间转换，色调/饱和度，色彩特定伽马校正器；有的滤镜是为减少MPEG压缩处理造成的清晰度下降（去块， deringing ），自动亮度/对比度增强，锐利/模糊，去噪滤波器，和几个不同的扫描方式。

Filters include cropping, scaling, vertical flipping, horizontal mirroring, expanding to create letterboxes, rotating, brightness/contrast, changing the aspect ratio of the video's pixels, colorspace conversion, hue/saturation, color-specific gamma correction, filters for reducing the visibiltiy of compression artifacts caused by MPEG compression, automatic brightness/contrast enhancement, sharpness/blur, denoising filters, and several different ways of deinterlacing.

滤镜包括剪裁，缩放，垂直翻转；均衡器，拓展到创建字符框，旋转，亮度/对比度，改变视频横纵比；颜色空间转换，色调/饱和度，色彩特定伽马校正器；有的滤镜是为减少MPEG压缩处理造成的清晰度下降（去块， deringing ），自动亮度/对比度增强，锐利/模糊，去噪滤波器，和几个不同的扫描方式。

At present, the dominating new standards used for HDTV video compression are H.264/AVC and AVS, both of them adopt block-based integer transform, quantisation and block-based motion compesation, which will be the source of blocking artifacts and will reduce the subjective video quality and compression performace.

在现阶段，用于HDTV视频压缩编码的最新标准主要有H.264/AVC和AVS，它们都采用基于块的整数变换、量化和运动补偿技术，不可避免的会引入块效应，严重影响了图像的主观质量和编码效率。

Chinese traditional virtue is humility and wariness,the compliment and praise to the others should be declination

中国人的传统美德是谦虚谨慎，对别人的恭维和夸奖应是推辞。如

We bought this house on the never-never.

我们以分期付款的方式买下这座房子。