By building a nonlinear function relationship between an d the error signal，this Paper presents a no— vel variable step size LMS(Least Mean Square)adaptive filtering algorithm．
標簽： relationship nonlinear building function
上傳時間： 2015-10-22
上傳用戶：hzy5825468
A one-dimensional calibration object consists of three or more collinear points with known relative positions. It is generally believed that a camera can be calibrated only when a 1D calibration object is in planar motion or rotates around a ¯ xed point. In this Paper, it is proved that when a multi-camera is observing a 1D object undergoing general rigid motions synchronously, the camera set can be linearly calibrated. A linear algorithm for the camera set calibration is proposed，and then the linear estimation is further re¯ ned using the maximum likelihood criteria. The simulated and real image experiments show that the proposed algorithm is valid and robust.
標簽： one-dimensional calibration collinear consists
上傳時間： 2014-01-12
上傳用戶：璇珠官人
Mobile phones are constantly decreasing in size, thereby complicating the acoustical functionality. Signal processing methods can be used to partially mitigate this problem. In this Paper we suggest a method which uses multiple spectral subtraction functions and two microphones, introducing only a short signal delay.
標簽： functionality complicating acoustical constantly
上傳時間： 2015-11-15
上傳用戶：youth25
The functionality is to be designated the corresponding year reign France Thus the year, which was the year of the zodiac. But can be designated a specific date date of the lunar calendar. Author Note : I used to do this as a commercial product development PDA calendar procedures in recent transplant PC, ... software categories : algorithm related Paper from the shrimp off FO
標簽： year functionality corresponding designated
上傳時間： 2014-05-28
上傳用戶：chenxichenyue
The C language is like a carving knife: simple, sharp, and extremely useful in skilled hands. Like any sharp tool, C can injure people who don’t know how to handle it. This Paper shows some of the ways C can injure the unwary, and how to avoid injury.
標簽： extremely language carving skilled
上傳時間： 2013-12-26
上傳用戶：txfyddz
FLASH文件系統的源碼，Flash memory is a nonvolatile memory, which allows the user to electrically program (write) and erase information. The exponential growth of flash memory has made this technology an indispensable part of hundreds of millions of electronic devices. Flash memory has several significant differences with volatile (RAM) memory and hard drive technologies which requires unique software drivers and file systems. This Paper provides an overview of file systems for flash memory and focuses on the unique software requirements of flash memory devices.
上傳時間： 2015-11-29
上傳用戶：問題問題
In a preemptive priority based RTOS, priority inversion problem is among the major sources of deadline violations. Priority inheritance protocol is one of the approaches to reduce priority inversion. Unfortunately, RTOS like uC/OS can’t support priority inheritance protocol since it does not allow kernel to have multiple tasks at the same priority. Although it has different ways to avoid priority inversion such as priority ceiling protocol, developers still have some difficulties in programming real time applications with it. In this Paper, we redesign the uC/OS kernel to provide the ability to support round robin scheduling and implement priority inheritance semaphore on the modified kernel. As result, we port new kernel with priority inheritance semaphore to evaluation board, and evaluate the execution time of each of the kernel service as well as verify the operations of our implementation.
標簽： priority preemptive inversion problem
上傳時間： 2015-12-14
上傳用戶：氣溫達上千萬的
In recent years large scientific interest has been devoted to joint data decoding and parameter estimation techniques. In this Paper, iterative turbo decoding joint to channel frequency and phase estimation is proposed. The phase and frequency estimator is embedded into the structure of the turbo decoder itself, taking into consideration both turbo interleaving and puncturing. Results show that the proposed technique outperforms conventional approaches both in terms of detection capabilities and implementation complexity.
標簽： scientific parameter interest decoding
上傳時間： 2015-12-30
上傳用戶：894898248
Carrier-phase synchronization can be approached in a general manner by estimating the multiplicative distortion (MD) to which a baseband received signal in an RF or coherent optical transmission system is subjected. This Paper presents a unified modeling and estimation of the MD in finite-alphabet digital communication systems. A simple form of MD is the camer phase exp GO) which has to be estimated and compensated for in a coherent receiver. A more general case with fading must, however, allow for amplitude as well as phase variations of the MD. We assume a state-variable model for the MD and generally obtain a nonlinear estimation problem with additional randomly-varying system parameters such as received signal power, frequency offset, and Doppler spread. An extended Kalman filter is then applied as a near-optimal solution to the adaptive MD and channel parameter estimation problem. Examples are given to show the use and some advantages of this scheme.
標簽： synchronization Carrier-phase multiplicativ approached
上傳時間： 2013-11-28
上傳用戶：windwolf2000
VESA Display Device Data Block (DDDB) Standard Display Device Data Block This proposal defines the Display Device Data Block (DDDB), for use in a CEA-861-compatible EDID extension, as originally proposed in the VESA TV Compatibility White Paper (Compatibility of PC and CE Displays, Aug.1, 2005).
上傳時間： 2014-10-11
上傳用戶：wanghui2438
