定时精度 meaning in Chinese
timing accuracy
Examples
- ( 2 ) to improve the timing precision of the receiver , it is necessary to research the timing reference point of the second signal
( 2 )为了提高接收机的定时精度，对反映低频信号秒到来时刻的确定方法作了较为深入的研究。 - In conformity with this means , we study that the changing of radar and platform coefficients influences the target location , and present the way to analyze the location accuracy through the platform position accuracy , platform attitude stability and radar timing accuracy
在此基础上，论文剖析了雷达及平台参数变化对目标定位的影响，提出了通过平台位置精度、平台姿态稳定精度和雷达定时精度来分析目标定位精度的方法。 - Furthermore , this paper exploringly studies an 802 . 1 la high - speed wlan with the 54mbps data rate , and presents a sort of time synchronization and frequency offset estimation method based on the frequency domain auto - correlation of the unique preamble training sequence of 802 . 11 plcp frame ; the method have the high time precision , the wide frequency estimat ion range and short convergence process ; and moreover , it can applied to other frame communication system
另外本文还对最高传输速率为54mbps的802 . 11a高速无线局域网系统进行了探索性研究，讨论了ofdm调制技术在无线局域网中的应用；结合802 . 11a物理层数据帧结构特点，提出了一种基于前导训练符号序列的频域自相关时间和频率同步方法，此方法具有定时精度高、频偏估计范围宽和同步建立迅速等特点，也适合于其它帧通信应用场合。 - Based on analysis of synchronization techniques in ofdm , this dissertation present a ml arithmetic to estimate time and frequency offset using symmetrical & conjugate prefix . the correlation peak of likelihood function curve is very sharp according this arithmetic , so the symbol synchronization by this arithmetic is exacter than that by general arithmetic using cycle prefix
文中在全面分析ofdm同步技术的基础上,提出了利用对称共轭前缀的最大似然估计法来进行符号定时和频偏估计,相对于传统的利用循环前缀的最大似然算法,这里提出的算法可以获得尖锐的相关图样,定时精度高,频偏估计误差小。