Multirate filters provide a practical approach to designing and implementing finite response (FIR) filters with narrow spectral constraints. By changing the input data rate at one or more intermediate points the filter lengths and computational rates can be greatly reduced when compared to a standard single-rate filter implementation.
标签： implementing Multirate designing practical
上传时间： 2016-07-01
上传用户：dengzb84
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： 2014-01-03
上传用户：wuyuying
The MAX481E, MAX483E, MAX485E, MAX487E–MAX491E, and MAX1487E are low-power transceivers for RS-485 and RS-422 communications in harsh environments. Each driver output and receiver input is protected against ±15kV electrostatic discharge (ESD) shocks, without latchup. These parts contain one driver and one receiver. The MAX483E, MAX487E, MAX488E, and MAX489E feature reduced slewrate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, thus allowing error-free data transmission up to 250kbps. The driver slew rates of the MAX481E, MAX485E, MAX490E, MAX491E, and MAX1487E are not limited, allowing them to transmit up to 2.5Mbps.
标签： MAX transceivers 485 low-power
上传时间： 2013-12-22
上传用户：小宝爱考拉
实验内容： 编制一程序，要求接收从键盘输入的一个班的学生成绩，并存放于50字节的GRADE数组中，其中GRADE+N保存学号N+1的学生成绩。然后根据GRADE中的学生成绩，把学生名次填入50字节的RANK数组中，其中RANK+N的内容是学号为N+1学生的名次。再按学号把学生顺序把学生名次显示出来。 实验要求：1.必须画流程图。2.本程序要求要有多重循环和子程序，其中 成绩输入、计算学生名次、显示学生名次都分别用子程序，也可用宏处理。
上传时间： 2014-12-06
上传用户：cjl42111
从键盘接收输入的一个班的学生成绩，并存放于50字grade数组中，其中grade+i保存学号为i+1的学生成绩。然后根据grade中的学生成绩，把学生名次填入50字rank字数组中，其中 rank+i的内容是学号为i＋1学生的名次。再按学号顺序把名次从终端上显示出来。(输入学生个数<=50，可以不定)
上传时间： 2017-01-12
上传用户：yangbo69
Mapack可用来做矩阵运算 Mapack is a .NET class library for basic linear algebra computations. It supports the following matrix operations and properties: Multiplication, Addition, Subtraction, Determinant, Norm1, Norm2, Frobenius Norm, Infinity Norm, Rank, Condition, Trace, Cholesky, LU, QR, Single Value decomposition, Least Squares solver, Eigenproblem solver, Equation System solver. The algorithms were adapted from Mapack for COM, Lapack and the Java Matrix Package.
标签： Mapack computations supports algebra
上传时间： 2017-01-26
上传用户：tb_6877751
"Readers can pick up this book and become familiar with C++ in a short time. Stan has taken a very broad and complicated topic and reduced it to the essentials that budding C++ programmers need to know to write real programs. His case study is effective and provides a familiar thread throughout the book.
标签： familiar Readers become short
上传时间： 2014-01-19
上传用户：luke5347
IML package provides efficient routines to solve nonsingular systems of linear equations, certified solve any shape systems of linear equations, and perform mod p matrix operations, such as computing row-echelon form, determinant, rank profile, inverse of a mod p matrix.
标签： nonsingular efficient equations certifie
上传时间： 2017-03-21
上传用户：leixinzhuo
We analyze, both analytically and numerically, the effectiveness of cloaking an infinite cylinder from observations by electromagnetic waves in three dimensions. We show that, as truncated approximations of the ideal permittivity and permeability tensors tend towards the singular ideal cloaking fields, so that the anisotropy ratio tends to infinity, the D and B fields blow up near the cloaking surface. Since the metamaterials used to implement cloaking are based on effective medium theory, the resulting large variation in D and B will pose a challenge to the suitability of the field averaged characterization of " and 碌. We also consider cloaking with and without the SHS (softand- hard surface) lining, shown in [6] to be theoretically necessary for cloaking in the cylindrical geometry. We demonstrate numerically that cloaking is significantly improved by the SHS lining, with both the far field of the scattered wave significantly reduced and the blow up of D and B prevented.
标签： effectiveness analytically numerically cloaking
上传时间： 2017-03-30
上传用户：zxc23456789
This function seperates a 2D matrix into its X and Y components if by definition the kernel is seperable (rank==1).
标签： components definition seperates function
上传时间： 2013-12-26
上传用户：叶山豪
