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广义表的表头和表尾
- 广义表是线性表的推广。广义表是n个元素的有限序列,元素可以是原子或一个广义表,记为LS。 若元素是广义表称它为LS的子表。若广义表非空,则第一个元素称表头,其余元素称表尾。 表的深度是指表展开后所含括号的层数。 把与树对应的广义表称为纯表,它限制了表中成分的共享和递归; 允许结点共享的表称为再入表; 允许递归的表称为递归表; 相互关系:线性表∈纯表∈再入表∈递归表; 广义表的特殊运算:1)取表头head(LS);2)取表尾tail(LS) -generalized l
np-csma-protocol
- 非持续性CAMA是一种冲突避免的CSMA协议,如果终端检测到信道状态空闲,则立即进行数据传输,而信道状态忙,则停止载波监听,并随机在等待一段时间后再进行载波监听。-Non-durable CAMA avoid CSMA protocol is a kind of conflict, if the end channel state idle, detected immediately for data transmission, the channel state is busy, stop t
Modeling-of-trajectory
- Matlab进行再入式飞行器轨道建模与仿真,建立各种模型,最后获得飞行器的动力学模型,并调用龙格库塔函数求解该微分方程初值问题。-Matlab for reentry spacecraft orbit modeling and simulation, the establishment of various models, and finally obtain the dynamic model of the aircraft, and call the Runge-Kutta function
longgeketafa
- 利用龙格-库塔法求解了航天器深空返回再入运动动力学方程,并对返回再入运动进行了仿真分析。-Use of Runge- Kutta method to solve the deep-space spacecraft reentry return movement dynamics equations, and the return movement is simulated reentry.
baro-i-stb-reentry_EKF_UKF_DDKF1compare
- these are to set of files. first one is used for baro and inertial integration and the erro of inertial. the second one is used for sim of reentry by use of not only its dynamics but also with EKF observants to control reentry
HTV-2-trajectory-Calculate
- 按正弦方式变化的攻角控制规律,利用MATLAB对HTV-2跳跃滑翔式飞行器弹道过程进行了仿真-Tracking the development plans of The DARPA/AF Falcon program,the program calculates the reentry skipping trajectory
reentry
- 用于计算航天器再入大气层的轨道和温度,攻角等参数(compute the atmospheric reentry trajectory)
三自由度仿真
- 本Matlab程序对需要高速穿越大气层的返回舱进行了纵向三自由度的模拟计算,只需输入如下基本参数,初始速度,再入高度,再入角。程序中有比较详细的说明。大气模型采用了真实的1976年美国标准大气模型,内附计算标准大气模型的Matlab程序,只需输入高度和高度间隔即可求出详细的参数值。(The Matlab program calculates the longitudinal three degrees of freedom of a reentry module that requires hi