Project and error analysis about one way and single frequency non - coherent carrier wave velocity measurement 单程单频非相干载波测速方案及测速误差分析
In influencing measuring velocity , the author emphasizes on researching on the compensation for sound velocity ; in the processing of data , gives processing results 在多普勒测速误差一章中,重点对声速补偿技术进行了研究,并在数据处理部分,给出了处理结果。
Measuring velocity precision is very important . in this thesis , the author researches on the location precision of doppler velocity log and compass , the precision of velocity precision of doppler velocity log 本论文就是针对这两方面而做的,主要围绕着辅助导航系统的定位精度和如何减小多普勒计程仪的测速误差进行的。
In pool trial , the author compare the real - time results with the post processing results , which enhance the precision of velocity measurement . and we process the trial data using statistics methods , achieving that velocity measurement error is normal distribution 在多普勒计程仪水池试验部分,对实验数据进行了后置处理,提高了测速精度,并对数据进行了统计处理,得出测速误差呈正态分布的结论。
These factors are concluded in this paper . primary parts of these factors are analyzed in detail and corresponding mathematic expressions are given , numerical calculation is also processed . solutions of some factors caused errors are given 本文总结了引起测速误差的各种因素,特别对其中一些主要因素进行了详细地分析,并给出了相应的数学表达式,进行了一些定量计算,对其中一些导致误差的来源给出了解决方案。