Because of the poor observability of Inertial Navigation System on stationary base, the estimation error of the azimuth will converge very slowly in initial alignment by means of Kalmari filtering, and making the time initial alignment is longer. In this paper, a fast estimation method of the azimuth error is creatively proposed for the initial alignment of INS on stationary base. On the Basis of the the fast convergence of the leveling error, the azimuth error can be directly calculated. By means of this fast initial alignment method, the time of initial alignment is reduced greatly. The computer simulation results illustrate the efficiency of the method.
标签： observability Navigation estimation stationary
上传时间： 2014-01-02
上传用户：wuyuying
A Module-based Wireless Node (MW-Node) is a Node with wireless and mobile capabilities added by means of modules. It is not a new node object derived from Node. Rather it is a new layout of mostly existing components. Rationale for this new design has been presented in [1]. The MW-Node provides a flexible support for wireless and mobile networking and in particular: support for multiple interfaces/multiple channels, and a common Basis for the implementation of wireless routing protocols.
标签： Node Module-based capabilities Wireless
上传时间： 2013-12-26
上传用户：大三三
The TMS320C54x, TMS320LC54x, and TMS320VC54x fixed-point, digital signal processor (DSP) families (hereafter referred to as the ’54x unless otherwise specified) are based on an advanced modified Harvard architecture that has one program memory bus and three data memory buses. These processors also provide an arithmetic logic unit (ALU) that has a high degree of parallelism, application-specific hardware logic, on-chip memory, and additional on-chip peripherals. These DSP families also provide a highly specialized instruction set, which is the Basis of the operational flexibility and speed of these DSPs.
标签： TMS 320 fixed-point processor
上传时间： 2013-12-27
上传用户：宋桃子
(1 . Higher Educati on Admissi on Committee Office of L ianyungang,L ianyungang 222006, China 2 . Modern Educati on Technique Center, Huaihai I nstitute of Technol ogy, L ianyungang 222005, China) Abstract: The outbreak ofARP cheating virus interferes with the nor mal functi oning of LAN. On the Basis of thoroughly und standing of the p rinci p les, this paper analyzes the p rinci p les, pattern and classificati ons ofARP in details . And it also discu the tactics t o take strict p recauti ons ofARP fr om t wo sides— — —the administrati on ofLAN and Client Host . The pur pose of the cussi on is t o guarantee the normal running of LAN users . Key words: virus p rinci p les LAN client host
标签： ianyungang Committee Educati Admissi
上传时间： 2013-12-22
上传用户：zhangyigenius
密码学界牛人Victor Shoup用C++编写数论类库。 NTL is a high-performance, portable C++ library providing data structures and algorithms for arbitrary length integers for vectors, matrices, and polynomials over the integers and over finite fields and for arbitrary precision floating point arithmetic. NTL provides high quality implementations of state-of-the-art algorithms for: * arbitrary length integer arithmetic and arbitrary precision floating point arithmetic * polynomial arithmetic over the integers and finite fields including basic arithmetic, polynomial factorization, irreducibility testing, computation of minimal polynomials, traces, norms, and more * lattice Basis reduction, including very robust and fast implementations of Schnorr-Euchner, block Korkin-Zolotarev reduction, and the new Schnorr-Horner pruning heuristic for block Korkin-Zolotarev * basic linear algebra over the integers, finite fields, and arbitrary precision floating point numbers.
标签： high-performance providing portable library
上传时间： 2014-01-04
上传用户：exxxds
C280x C/C++ Header Files and Peripheral Examples The DSP28xx C/C++ peripheral header files and example projects files facilitate writing C/C++ Code for the TI鈥檚 28xx MCUs. The code can be used as a learning tool or as the Basis for a development platform depending on the current needs of the user. We suggest that you immediately download these header files in order for an easier transition to understanding the 28xx peripherals.
标签： Peripheral peripheral and Examples
上传时间： 2014-01-24
上传用户：fandeshun
Novell.Press.Linux.Kernel.Development linux内核开发的经典书籍之一 The Linux kernel is one of the most interesting yet least understood open-source projects. It is also a Basis for developing new kernel code. That is why Sams is excited to bring you the latest Linux kernel development information from a Novell insider in the second edition of Linux Kernel Development. This authoritative, practical guide will help you better understand the Linux kernel through updated coverage of all the major subsystems, new features associated with Linux 2.6 kernel and insider information on not-yet-released developments. You ll be able to take an in-depth look at Linux kernel from both a theoretical and an applied perspective as you cover a wide range of topics, including algorithms, system call interface, paging strategies and kernel synchronization. Get the top information right from the source in Linux Kernel Development
标签： Linux Development interes Novell
上传时间： 2017-06-06
上传用户：songyue1991
关于矢量网络的分析基础和测量，pdf文档。The Basis of vector network analysis and measurement
上传时间： 2014-07-03
上传用户：顶得柱
Abstract—We describe a technique for image encoding in which local operators of many scales but identical shape serve as the Basis functions. The representation differs from established techniques in that the code elements are localized in spatial frequency as well as in space.
标签： technique operators Abstract describe
上传时间： 2014-01-22
上传用户：ruixue198909
Abstract—The contourlet transform is a new two-dimensional extension of the wavelet transform using multiscale and direc- tional fi lter banks. The contourlet expansion is composed of Basis images oriented at various directions in multiple scales, with fl exible aspect ratios. Given this rich set of Basis images, the contourlet transform effectively captures smooth contours that are the dominant feature in natural images.
标签： transform two-dimensional contourlet extension
上传时间： 2014-01-17
上传用户：水中浮云
