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Thiết bị truyền thông ở hai đầu dây liên kết mối giao thông, giúp cho các trạm thông nối hoàn thành nhiệm vụ định trước. Thiết bị cuối xử lý số liệu (Data terminal equipment), một thiết bị ở cuối đường dây chuyển đổi những tin tức của người dùng sang tín hiệu để truyền qua đường dây, hoặc chuyển đổi những tín hiệu thu được thành tin...
86 p dtu 21/11/2012 214 4
Từ khóa: Thiết bị đầu cuối, mạch điện thiết bị, công nghệ mạch điện, khoa học công nghệ, tín hiệu dữ liệu, kỹ thuật xử lý
Digital Image Processing: PIKS Inside
In January 1978, I began the preface to the first edition of Digital Image Processing with the following statement: The field of image processing has grown considerably during the past decade with the increased utilization of imagery in myriad applications coupled with improvements in the size, speed, and cost effectiveness of digital computers and related signal processing technologies. Image processing has found a significant role in...
738 p dtu 20/11/2012 226 4
Từ khóa: Digital Image Processing, xử lý ảnh, kỹ thuật số, kỹ thuật xử lý ảnh, signal processing technologies, công nghệ tín hiệu
Ultrasound Imaging Using Coded Signals
The Ph.D. project entitled ”Ultrasound imaging using coded signals” has been part of the research activities of the Center For Fast Ultrasound Imaging (CFU), directed by my advisor Prof. Jørgen Arendt Jensen during the years 1998-2001. The Center is funded by the Danish Research Council, the Danish ultrasound manufacturer B-K Medical and Herlev University Hospital in Denmark. I would like to thank all contributors for their financial...
228 p dtu 20/11/2012 210 3
Từ khóa: Ultrasound Imaging, Coded Signals, tín hiệu mã hóa, kỹ thuật hình ảnh, công nghệ xử lý, nguyên lý siêu âm
The performance of digital signal processing and communication systems is generally limited by the precision of the digital input signal which is achieved at the interface between analog and digital information. Sigma-Delta (S-D) modulation based analog-todigital(A/D) conversion technology is a cost effective alternative for high resolution (greater than 12 bits) converters which can be ultimately integrated on digital signal processor ICs.
71 p dtu 15/11/2012 181 1
Từ khóa: Motorola Digital Signal, signal processing, communication systems, xử lý tín hiệu, hệ thống thông tin, công nghệ thông tin
Low power asynchronous digital signal processing
Over the past twenty years, the mobile phone has emerged from its early role as toy for a few wealthy technophiles to establish its current position as a true mass communication medium. Sales of mobile phone handsets are vast and rapidly increasing, with the number of subscribers having increased from 11m in 1990 to 180m people in 1999 . Part of this rapid growth can be attributed to the decrease in price of the handsets, to the point that...
268 p dtu 10/11/2012 228 9
Từ khóa: digital signal processing, Low power, radio bands, công nghệ số, công nghệ mạng, xử lý tín hiệu, kỹ thuật số
Signal Processing and its Applications
It is hoped that this book will serve both as a text in time-series analysis and signal processing and as a reference book for research workers and practitioners. Timeseries analysis and signal processing are two subjects which ought to be treated as one; and they are the concern of a wide range of applied disciplines including statistics, electrical engineering, mechanical engineering, physics, medicine and economics.
808 p dtu 10/11/2012 230 1
Từ khóa: Signal Processing, xử lý tín hiệu, electrical engineering, công nghệ xử lý, kỹ thuật xử lý, linh kiện điện tử
The Scientist and Engineer's Guide to Digital Signal Processing Second Edition
The technical world is changing very rapidly. In only 15 years, the power of personal computers has increased by a factor of nearly one-thousand. By all accounts, it will increase by another factor of one-thousand in the next 15 years. This tremendous power has changed the way science and engineering is done, and there is no better example of this than Digital Signal Processing. In the early 1980s, DSP was taught as a graduate level course in...
664 p dtu 09/11/2012 167 2
Từ khóa: Digital Signal Processing, kỹ thuật xử lý, xử lý tín hiệu, công nghệ xử lý, technical world, science engineering
Discrete Time Signal Processing
This text is a second generation descendent of our text, Digital Signal Processing, which was published in 1975. At that time, the technical field of digital signal processing was in its infancy, but certain basic principles had emerged and could be organized into a coherent presentation. Although courses existed at a few schools, they were almost exclusively at the graduate level.
857 p dtu 07/11/2012 192 1
Từ khóa: Digital Signal Processing, Discrete Time Signal Processing, xử lý tín hiệu, kỹ thuật xử lý, công nghệ xử lý tín hiệu, kỹ thuật số
Digital signal processors, such as the TMS320 family of processors, are found in a wide range of applications such as in communications and controls, speech processing, and so on. They are used in Fax, modems, cellular phones, etc. These devices have also found their way into the university classroom, where they provide an economical way to introduce real-time digital signal processing (DSP) to the student. With the introduction of Texas...
290 p dtu 07/11/2012 225 5
Từ khóa: Digital Signal Processing, xử lý tín hiệu, kỹ thuật tín hiệu, công nghệ xử lý, executable file, kỹ thuật số
An Introduction to Statistical Signal Processing
The theory of random processes is a branch of probability theory and probability theory is a special case of the branch of mathematics known as measure theory. Probability theory and measure theory both concentrate on functions that assign real numbers to certain sets in an abstract space according to certain rules. These set functions can be viewed as measures of the size or weight of the sets. For example, the precise notion of area in...
560 p dtu 06/11/2012 205 1
Từ khóa: lý thuyết xác suất, xử lý tín hiệu, công nghệ tín hiệu, Statistical Signal Processing, probability theory, measure theory
Advanced Digital Signal Processing and Noise Reduction Second Edition
Signal processing theory plays an increasingly central role in the development of modern telecommunication and information processing systems, and has a wide range of applications in multimedia technology, audio-visual signal processing, cellular mobile communication, adaptive network management, radar systems, pattern analysis, medical signal processing, financial data forecasting, decision making systems, etc. The theory and application of...
493 p dtu 01/11/2012 178 3
Từ khóa: Signal processing, Advanced Digital Signal Processing and Noise Reduction, information processing, xữ lý tín hiệu, xử lý thông tin, công nghệ viễn thông
Adaptive Digital Filters Second Edition, Revised and Expanded
Over the past 50 years, digital signal processing has evolved as a major engineering discipline. The fields of signal processing have grown from the origin of fast Fourier transform and digital filter design to statistical spectral analysis and array processing, and image, audio, and multimedia processing, and shaped developments in high-performance VLSI signal processor design. Indeed, there are few fields that enjoy so many...
450 p dtu 01/11/2012 182 2
Từ khóa: Adaptive Digital Filters, digital signal processing, filter design, xử lý tín hiệu, công nghệ xử lý, khoa học công nghệ