error spread meaning in English

误码扩散

The error spreading and improving of auto - control terminal point of anti - ship missiles
反舰导弹自控终点误差散布及其改进
Then the traditional position tracking method was improved by considering the sensor error spreading during positioning . sub - centimeter position accuracy was achieved in the experiment
结果表明该方法大大提高了计算效率，并有令人满意的初始定位精度。
On the basis of deep research of its working principal , basic algorithm and error spread character , the gyro constant drift , acceleration zero error and constant initiation error of static pedestal strapdown inertial navigation system are quantitatively analyzed . furthermore with the medium precision inertial navigation device as the simulation object , we made some mathematical simulation
详细研究了捷联式惯性导航系统的工作原理、基本算法和误差传播特性；对静基座条件下捷联惯导系统中陀螺常值漂移、加速度计常值零位误差和常值初始条件误差引起的系统误差进行了定量分析；以中等精度的惯性器件构成捷联惯导系统作为仿真对象，进行了数字仿真。