GPS卫星速度计算程序，美国NASA下载，经过验证。

This is an Adaptation of Stergios Roumeliotis 6 DOF Extended Kalman Filter. Includes classes for incorporating odometers, motors, GPS, accelerometers and gyroscopes. These classes were used to control the NASA Mars Rover-This is an Adaptation of Ster

This package provides encoders and fast Viterbi decoders for the NASA standard rate 1/2 and rate 1/3 constraint length 7 convolutional codes. -This package provides encoders and fast Viterbi decoders for the NASAstandard rate 1/2 and rate 1/3 con

LDPC仿真程序,纠错码中的LDPC码，码长越长，纠错性能越好，是美国NASA深空通信运用的纠错编码-LDPC code for matlab