| 1. | Cavec chroma amplitude and velocity error corrector
色度幅度和速度误差校正器 |
| 2. | In this paper , the od error equations are proposed in detail
本文详细推导了里程计的速度误差方程。 |
| 3. | Velocity error coefficient
速度误差系数 |
| 4. | For a long time , the analysis of the velocity error almost were rarely quantitative , and only valid to the simple geology condition
长期以来，人们对速度误差的分析大多是定性的，而且针对的是较简单的地质构造模型。 |
| 5. | When the signal of gps is lost for five minutes , the position error is about 1400 meters , its velocity error is about 15m / s and its attitude angle error is about 10 degree
在gps信号丢失5分钟时，位置误差大约为1400米，速度误差大约为15米/秒，姿态角误差大约为10度。 |
| 6. | The simulation results show that the level damp of dins can reduce the influence of the external velocity error , and restrain the error of longitude effectively
通过仿真分析，比较两套阻尼系统的仿真结果，可以看出双惯导水平阻尼能够显著降低外速度误差的影响，抑制经度误差。 |
| 7. | The minimun stable speed is given when the disturbances of the friction and the wave are considered . consequently , the compensation methods are worked out
给出摩擦作用下的系统最低稳定速度限以及电机波动力矩作用下的系统速度误差，由此定性得到了抑制摩擦和电机力矩波动干扰的措施。 |
| 8. | Combination algorithm fully use the advantage of the ukf for small noise and the upf ’ s non - sensitivity to noise , when noise increase , upf can also estimate the missile ’ s states well
联合算法充分利用了ukf在噪声较小时估计效果较好和upf对噪声不敏感的特性,使得当观测噪声突然增大后,利用upf算法仍能使导弹位置和速度误差收敛,达到有效预警的目的。 |
| 9. | Abstract : this paper proposes an self - adaptive speed - accommodating control circuit , which can get the speed - error , and can test the change of frequency of feedback signals of the single phase ac tacho generator through self comparing and automatically corrects the speed
文摘:文章介绍了通过自比较来检测录音机主导轴单相永磁交流测速发电机反馈信号的频率变化，从而获得速度误差，并自动校正转速的一种自适应速度调节控制电路。 |
| 10. | The kalman filter theory is introduced and the dynamic error vector equation of the initial alignment is derived at the first . using velocity error as exterior value of observation , maneuverable characteristic that is influenced with system ' s observability and its degree is studied at length by do amount of simulations and experiences . choosing output error of accelerometers and angle error of attitude as observation respectively and system observation model is derived , which is based on analyzing kalman filter theory
首先介绍了卡尔曼滤波理论及相关技术，建立了系统卡尔曼滤波的状态方程和观测方程；首先采用速度误差作为观测值，详尽的研究了系统机动特性对可观测性和可观测度的影响，并做了大量仿真实验：通过对滤波原理的分析研究了影响的原因；分别选用加速度计输出误差和转台输出姿态角误差作为外部观测值，推导建立它们的观测模型，并通过仿真证明了分析结论的正确性。 |
