nnd2n1

MB-OFDM-UWB系统发射机代码(信号产生/QPSK/OFDM)、802.15.3a信道结构等。(MB-OFDM-UWB system code transmitter (signal generator/QPSK/OFDM), 802.15.3a channel structure.)

设计一个IIR数字低通滤波器， 逼近一组模拟滤波器的指标参数（通带截止频率Wp=2*pi*2000rad/s,阻带边界频率Ws=2*pi*3000rad/s,通带波纹 Rp=3db, 阻带衰减Rs=15db, 采样频率f=10000Hz）； 分别用脉冲响应不变法和双线性变换法实现设计，列出传递函数并描绘模拟和数字滤波器的幅频和相频响应曲线。用上述设计滤波器完成几组给定信号的滤波，证明滤波器的有效性和滤波范围限制.(Design a IIR digital low-pass filter, approaching a group of analog filters indicator parameters (pass-band cut-off frequency Wp = 2* pi* 2000rad/s, stop-band edge frequency Ws = 2* pi* 3000rad/s, pass-band ripple Rp = 3db, stop-band attenuation Rs = 15db, the sampling frequency f = 10000Hz) were used to change the impulse response method and bilinear transformation method for design, list and describe the transfer function of analog and digital filter amplitude-frequency and phase-frequency response curve. A filter was designed with the completion of the above-mentioned groups of a given signal filtering, to prove the effectiveness of filters and filter limit)

说明：  这是一个小巧的指针类.在这里提供了两个主类CountedPtr和BackPtr,可以使用在任何环境中(This is a small target category. Here the two main categories CountedPtr BackPtr and can be used in any environment)

光伏电池的电池模型，已经带入数据，电池型号为MSX-60(Battery model for photovoltaic cells)

matlab 程序代码 线性系统 龙格库塔法 可以解微分方程(matlab code linear system can solve differential equations Runge-Kutta method)

含有：SPWM内/外置波调速；单闭环电流截止转速负反馈；单闭环电压负反馈；单闭环交流调压调速；单闭环无静差转速负反馈；单闭环有静差转速负反馈；电压负反馈电流正反馈；开环直流；双闭环直流调速仿真(Contains: SPWM internal/external wave speed regulation; single closed-loop current cut-off speed negative feedback; single closed-loop voltage negative feedback; single closed-loop AC voltage regulation speed regulation; single closed-loop zero static error speed negative feedback; single closed-loop with static error speed negative feedback; voltage negative feedback current positive feedback; open-loop DC; double closed-loop DC speed regulation simulation)

说明：  基于matlab的IIR滤波器的设计代码(Based on the IIR filter design matlab code)

模拟倒向随即微分方程，给出图形和用户说明，在学术研究中有一定的应用(Then simulated backward differential equations, graphics and user instructions are given in academic research in the application of certain)

波束空间的MUSIC算法，在阵元误差校正和ＤＯＡ估计时很实用～～(Beam space MUSIC algorithm, the array element error correction and DOA estimates very practical ~ ~)

说明：  这是用MATLAB仿真平台，实现无线传感器网络定位算法仿真。(This is a MATLAB simulation platform, wireless sensor network localization algorithm simulation.)