For a given monochrome digital image with low detail, an adaptive DCT data compression method is given and compared with adaptive DPCM method.
对于给定的细节较少的单色数字图象，本文给出了一种自适应的离散余弦变换(DCT)数据压缩方法。
The digital image compression technology, the key technology in the multimedia applications, the international standards and chips about compression are illustrated in this paper.
阐述了多媒体应用中的关键技术——数字图像压缩技术，及有关压缩的国际标准和芯片。
The idea of sending multiple programs within the 19.39-Mbps stream is unique to digital TV and is made possible by the digital compression system being used.
利用19.39MHz的带宽传输多路节目的想法建立在数字压缩技术的基础上。
On the basis of the characteristics of MP3 compression and local audio correlation, a new adaptive digital audio watermarking in DWT and DCT domain for protecting MP3 music copyright is proposed.
以mp3压缩攻击特点与听觉掩蔽特性为基础，提出了一种可用于MP3音乐作品版权保护的混合域数字音频盲水印算法。
On the basis of the characteristics of MP3 compression and local audio correlation, a new adaptive digital audio watermarking based on DWT and DCT was proposed.
以mp3压缩等攻击特点及局部音频相关特性为基础，提出了一种新的混合域数字音频盲水印算法。
Analog signal is converted to a digital signal and compressed using DVD compression standards, then stored for transfer onto the DVD.
拟信号被转换为数字信号，并用DVD压缩标准压缩，然后传递到DVD上储存起来。
The system uses CCD for getting digital image, uses a 16 bit fix-point DSP to perform fast discret cosine transform(DCT) arithmetic and image encoding and realizes a fast image compression in end.
系统使用CCD获取原始数字图像数据，采用快速算法实现了核心的二维DCT变换，经过编码后，在一个16位定点DSP上实现了快速图像压缩。
The technologies of the compression of digital image act key role to storing and transferring of multimedia information.
数字图象压缩在多媒体信息的存储和传输中扮演着非常重要的角色。
Radar signal digital pulse compression processing can be realized mostly by time-domain and frequency-domain methods.
雷达信号数字脉冲压缩处理主要采用时域和频域两种方法来实现。
Then, the research is emphasized on the three main functions of a digital camera processor: architecture design, image processing and image compression.
然后，研究重点集中在数码相机处理器的三个主要功能上：结构设计，图像处理和图像压缩。
We discuss the theory and real time realization of the digital pulse compression of the synthetic aperture radar (SAR).
讨论了合成孔径雷达(SAR)距离向数字脉冲压缩的原理和实时实现技术。
The speed and accuracy of digital quadrature sampling and pulse compression is also verified based on ADSP-TS101 .
在ADSP TS101上，验证了这个算法实现数字正交采样和脉冲压缩的速度性能和精度。
FT-B torque meter is composed of high-accuracy tension-compression type sensor and digital display.
发动机测试仪表——FT-B型转矩仪中是由高精度拉压传感器和数字显示仪表组成。
The experimental results show that the algorithm is robust to many operations on digital audio signal, such as filter, lossy compression, and so on.
实验结果表明该算法对数字音频信号的滤波、有损压缩、重新采样等操作具有很强的稳健性。
So the digital image compression technology and the digital image encryption technology have been born and applied in many field, such as multimedia, communication, medicine and so on.
数字图像压缩技术和数字图像加密技术应运而生，并且被广泛应用到多媒体、通讯、医学等等各个领域。
The paper introduces the reason of image compression and digital image compression and coding.
本文介绍了图像压缩的原因及数字图像压缩编码。
The excellent performance of digital pulse compression have been well known, the main problems for its application are a large quantity of operation, complex circuits and high cost.
数字脉冲压缩技术的优点已被普遍承认，制约其应用的一个主要问题是运算量大、设备复杂、成本高。
It is composed of adaptive MTI (AMTI) with variable number of pulses, digital pulse compression (DPC), moving target detector (MTD), digital integration (di) and constant false alarm rate (CFAR).
它包括点数可变的自适应动目标显示(AMTI)，数字脉压(DPC)，动目标检测器(MTD)，数字积累(DI)和恒虚警率处理(CFAR)。
The verification results illustrate that digital image compression system based on PDVQ has dependability and practicality.
验证结果表明，基于PD VQ的数字图像压缩系统具有可靠性和实用性。
This article introduces the working principle, the structural design of a mobile digital hydraulic extracorporeal heart compression machine and its trial result on the human model.
介绍一种电子数控的移动式液压传动的体外心脏按压机的工作原理、结构设计和人体模型上的试用效果。
Image compression is the main content of digital image processing technology, and it is vital to image storage and transmission.
图像数据压缩是数字图像处理技术所研究的主要内容，它在图像存储和图像传输方面有着非常重要的地位。
Firstly, the thesis presents the system scheme of digital image compression based on PDVQ. Then we introduce the hardware design, FPGA logic realizing and FPGA implement of image processing algorithm.
本文首先给出了基于PD VQ的数字图像压缩系统的系统方案，然后介绍了系统的硬件结构设计、FPGA逻辑实现以及图像处理算法的FPGA实现。
Automatic adjustment of datum line, Automatic gain control, digital filter and data compression are adopted in it, and it can make long-term dynamic record.
该装置采用了自动基线调整，自动增益设置，数字滤波，数据压缩等技术，可进行长时间动态记录。
And the traditional, such as JPEG compression technology can not meet the requirements of digital movies.
而传统的JPEG等压缩技术无法满足数字电影的要求。
The digital image has huge data information, so the algorithm which has high compression ratio and high fidelity rate is urgently needed, taking account of storage cost and communication.
由于数字图像具有数据量大的特点，出于对图像存储成本和图像通信的考虑，良好的图像压缩技术要能够实现高压缩率和高保真率。
Then, the paper introduces the international standards for digital compression, including ISOJPEG for still pictures, CCITT-H. 261 for video conferencing, and ISO-MPEG for full motion video.
接着介绍这方面的国际标准，即ISO-JPEG对静止图象、CCITT-H．261对可视会议电话、ISO-MPEG对全运动电视拟订的三种压缩编码标准。
Digital video quality assessment plays important roles in various video applications, such as video processing, compression and communication.
数字视频质量评估对于视频处理、压缩和视频通信等领域起着十分重要的作用。
ObjectiveTo study the pathogenesis, diagnosis and treatment of the compression syndrome of the third common plantar digital nerves.
目的探讨第三趾底总神经卡压综合征的发病机理、诊断和治疗。
It not only can implement the digital pulse compression and coherent integration for radar sum and difference signals, but also control the whole radar system.
能实现雷达和、差信号的数字脉冲压缩与动目标检测，并控制着整个雷达系统的运行。
It not only can implement the digital pulse compression and coherent integration for radar sum and difference signals, but also control the whole radar system.
能实现雷达和、差信号的数字脉冲压缩与动目标检测，并控制着整个雷达系统的运行。
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