02QJLHMKZQ

进行航天器轨道运算经常用到的函数，包括坐标转换，经纬度转换，二体运动，轨道要素计算等等(For spacecraft orbit operations frequently used functions, including coordinate conversion, latitude and longitude conversion, two-body movement, and so calculated orbital elements)

无约束蚁群算法，非常好用，大家一起学习！多多交流(Ant colony algorithm for unconstrained, very easy to use, we will study together! More exchanges)

segmentation algorithm

eyediagram of qpsk signal

在对角元没有作用的情况下，提取三对角矩阵(get a tridiagonal matrix )

UWB，超宽带信号分析必用的子函数，第14部分！(UWB, ultra-wideband signal analysis will be used for Functions, Part 14!)

严恭敏博士后研究工作报告——捷联惯导系统动基座初始对准及其它相关问题研究报告 内容包括：大失准角下捷联惯导系统动基座初始对准，激光陀螺整周期采样对姿态解算的影响极其修正方法。SINS内杆臂效应分析与补偿，圆锥误差补偿。(Yan Gong Min postdoctoral research report- Moving Base SINS initial alignment study and other related issues Content includes: Large Misalignment under SINS Moving Base initial alignment, laser gyro effect on the attitude of the entire sampling period solver extremely correction method. SINS inner lever arm effect analysis and compensation, cone error compensation.)

仿真对象如下： 其中， v( k )为服从N (0,1) 分布的白噪声。输入信号u ( k) 采用M 序列，幅度为 1。M 序列由 9 级移位寄存器产生，x(i)=x(i-4)⊕x(i-9)。 选择如下辨识模型： 加权阵取Λ = I。 衰减因子β = 0.98，数据长度 L = 402。 辨识结果与理论值比较，基本相同。辨识结果可信 (he simulation object is as follows: among them, v (k) to obey N (0, 1) distribution of white noise. The input signal u (k) using M sequence, amplitude is 1. M sequence by 9 level shift register generation, x (I) = x (I- 4) ⊕ x (I- 9). Choose the identification model: weighted array take Λ = I. Attenuation factor β = 0.98, the data length L = 402. Identify the theoretical calculation and comparison, basically the same. Identification results are reliable)

一1000 MW水电站（机组M1）通过一条500 kV, 700 km的输电线路与负载中心连接。负载中心模型是5000 MW的阻抗负载，由遥远的1000 MW电站和当地的5000 MW (机组 M2)电站供电。系统已经初始化，因此线路传送950 MW，接近它的潮流阻抗负载（SIL = 977 MW）。这两台机相当于一台水轮机和管理(HTG)，励磁系统和电力系统稳定器(PSS)。这三个模块位于“涡轮和调速”子系统中。通过此例，在500 kV系统中制造故障，观察PSS对系统稳定性的影响。(a 1,000 MW hydropower station (crew M1) through a 500 kV, 700 km of transmission line and load center. Load center model is 5,000 MW of load impedance. from the distant 1000 MW power station and the local 5,000 MW (Unit M2) power supply. Is initialized, it transmits 950 MW. closer to its trend of load impedance (SIL = 977 MW). This machine is equivalent to a two hydraulic turbines and Management (HTG), excitation system and the power system stabilizer (PSS). This module is located at 3 "and turbine speed" subsystem. Through this cases, the 500 kV system manufacturing fault, PSS observation of the system stability.)

使用matlab软件实现光伏电池与柴油机互联(Using matlab software interconnected photovoltaic cells and diesel engines)