在两次计量校准间隔期内，采用测量过程控制方法保证测量仪器的精度。
Measurement Process Control is adopted for a measuring instrument to guarantee its precision in the interval of two calibrations.
该方法是一种基于信号采样时钟速率的全数字化处理过程，其同步精度可达到信号采样间隔的1%以上，且便于FPGA或DSP实现。
The method is a fully-digitized process at the sampling clock rate, so that it can be conveniently implemented by FPGA or DSP, whose synchronization precision can reach 1% of the sampling interval.
借鉴LOD思想，利用多种采样间隔获得不同精度数据网格。
Using the idea of LOD for reference, obtain diverse data grids of various precisions by different sampling intervals.
改进的PRI变换法克服了直方图统计法的子谐波问题，对脉冲重复间隔具有很高的估计精度，且具有一定的抗抖动能力。
The improved PRI transform estimates PRI with high precision, overcomes the sub-harmonic problem produced in the histogram methods, and has a better performance on anti-jitter.
通过实例计算表明，上述计算可快速提供精度较高的较长时间间隔的目标方位，为潜艇作战提供有利信息。
An example is given to show that, the model can forecast the more precision result in long time, and offering the profitably information for submarine.
同时，降低载波环噪声带宽，减小码环相关间隔，从而提高了载波环和码环的跟踪精度。
Additionally, the carrier loop noise bandwidth and the correlator spacing are reduced. Then the accuracy of carrier and code tracking loops is improved significantly.
为解决目标跟踪精度与观测时间间隔的矛盾，提出了一种基于目标状态估计协方差控制的观测时间确定算法。
To solve the contradiction between target tracking accuracy and observation interval, an algorithm of calculating observation time based on target estimate covariance control was presented.
如果将不足一天的时间间隔转换为小数部分，则可能会发生精度损失。
Converting time intervals of less than a day to a fraction can involve a loss of precision.
定量分析了变电站时钟同步的校时误差、自动化装置时钟精度及基于两者的校时时间间隔确定等问题。
The time correction error of substation clock synchronization, the clock precision of automation equipment and the time correction interval are quantitatively analyzed.
如果将不足一小时的时间间隔转换为小数部分，则可能会发生精度损失。
Converting time intervals of less than an hour to a fraction can involve a loss of precision.
如果将不足一分钟的时间间隔转换为小数部分，则可能会发生精度损失。
Converting time intervals of less than a minute to a fraction can involve a loss of precision.
对于采用本方法计算淹没区，准确性受地形图等高距大小、数字化采集精度、数字地面模型（DEM）高程精度以及格网间隔大小、像素探测分辨率等因素的影响。
The accuracy of flood area is mostly dependent on the contour interval of map, accuracy of digitizing map, accuracy of DEM, and interval of GRID, detecting resolution of pixels.
微根管观测精度主要取决于微根管安装的质量和数量、微根管取样间隔期和取样数量、微根管图像分析技术等。
The factors affecting fine root measurement and its precision mainly included the quality and quantity of tube installation, sampling interval and quantity, and analysis technique of images, etc.
辨识精度与算法中拟合模型阶数、采样时间间隔和采样总数有关，并受信号中噪声的影响，需加以改进。
The identification accuracy is related to the order of the fitting model, sample interval and sample number, and also affected by signal noise, which shows the method should be improved.
延迟线内插法是一种常用的时间间隔高精度测量方法，具有结构简单、便于片上实现的特点。
The method of delay chain interpolation is commonly applied in high accuracy time interval measurement, which has the advantages of simplicity and is easy for on chip implementation.
光子计数成像激光雷达需要测量一个激光主波和与之对应的多个回波之间的时间间隔，并具有高精度。
The time intervals between laser main pulse and the corresponding multiple echoes were needed to measure in photon counting imaging lidar, and the system had to have high precision.
常用高精度校频算法的不足在于需要昂贵的高分辨时间间隔计数器。
The disadvantage of high precision frequency accuracy measurement method available is that an expensive high-resolution time interval counter is needed.
本文介绍了一种基于超高速数据采集技术的高精度时间间隔测量系统的设计。
This article introduces a design method for the high-resolution time interval measurement system based on ultra-high speed data acquisition technique.
设计了一种高精度时间间隔测量模块，该模块由单片机控制，采用脉冲计数原理，通过测量时间间隔内高频参考时钟个数，得到被测时间间隔的精确值。
Based on pulse counting principle, the high precision time interval can be obtained by measuring the number of the high-frequency reference clock through it.
通过提高脉冲激光测距中时间间隔的测量精度，可直接提高脉冲激光测距的精度。
The precision of the pulse laser ranging technology can be improved directly by improving the time-gap measurement accuracy in pulse laser ranging.
摘要：高精度时间间隔测量对脉冲激光测距系统具有重要意义，为此提出了一种新的高精度时间间隔测量方法。
Abstract: The high accuracy time interval measurement is a key technique to pulsed laser ranging. Therefore, a new high precision time interval measurement method is proposed.
该文提出了一种适用于时域正交频分复用数字传输(TDS - OFDM)系统的基于保护间隔相似特性的高精度载波细同步算法。
This paper presents a fine carrier synchronization algorithm based on the similarities of the guard interval for Time-domain synchronous OFDM (TDS-OFDM) systems.
时间间隔测量是影响激光测速系统精度的重要因素。
The precision of the pulsed laser velocimeter system was decided by the precision of the time interval measurement.
本发明能够实现主动式测量时发射信号和被测量信号时间间隔的高精度计数。
The active measurement method is capable of realizing high-precision counting for time intervals of the transmitted signals and the measured signals during active measurement.
针对脉冲激光测距机的飞行时间间隔测量，介绍了基于FPGA实现高精度时间间隔测量的系统结构及关键技术。
The system structure and the key technologies of the high-resolution time-interval measurement based on FPGA are introduced in this thesis to measure the time-of-flight.
本文介绍了一种基于超高速数据采集技术的高精度时间间隔测量系统的设计。
The design on high speed data acquisition and storage measurement system based on USB bus;
本文介绍了一种基于超高速数据采集技术的高精度时间间隔测量系统的设计。
The design on high speed data acquisition and storage measurement system based on USB bus;
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