武器沉重，花长时间装配，而且在较远距离精度低。
The weapon is heavy, takes long time to be assembled, and has a poor accuracy at longer distance.
目前被动声探测距离精度还不能满足跟踪的需要，因此，反直升机智能雷对目标的跟踪问题归结为仅有角测量的跟踪问题。
Tracking target by using anti-helicopter mine (AHM) is actually the bearing-only measurement because precision of range detected by passive acoustic measurement cant satisfy the need of tracking.
详细讨论了这种方法的实现方案，并对方案中的激光发射功率、望远镜口径以及脉冲宽度对距离精度及信噪比的影响进行数值模拟。
The detailed principle of detection is presented. The relationship of range accuracy and signal-to-noise ratio with laser power, telescope diameter, and pulse width are numerically simulated.
我们无法回到数十亿年以前或到数十亿光年以外的距离进行衡量，但我们可以在实验室以非常，非常高的精度测量它。
We can't measure it over billions of years or over billions of light years, but we can measure it to very, very high precision in the laboratory.
不得不说这也未必是好事，因为大过一定程度之后用户点击的精度不会提高，速度反而会下降，因为移动于各个按钮间的时候手指必须移动更大的距离。
Well, going bigger actually doesn’t increase performance and accuracy, and can actually slow the user down because the finger has to move a greater distance with each touch.
一道激光射线由或短或长的光脉冲组合而成，从而能在一个安全的距离高精度地辨别单个的分子。
A laser beam like the one pictured up top combines short and long pulses of light to identify individual molecules with a high degree of precision from a safe distance.
正如研究人员所展示的，这一技术能够以高精度操纵吸光微粒，即使是远距离操纵亦可。
As the researchers demonstrated, the technique could enable the light-absorbing particles to be manipulated with a high degree of accuracy, even at large distances.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
The experiment result indicated that the system improved the ranging precision, at the same time got more accurate estimation of the distance.
现在使用的联合拍摄系统也使用2台摄像机但由于应用了体积小的高精度数字图像传感器使得镜头间的距离甚至可以小于人眼瞳孔间的距离。
The Fusion camera System has two cameras, but by using small high-definition digital image sensors, the lenses can sit closer together than your pupils.
实验结果表明，系统提高了整体测距精度，得到了被测距离更加准确的估计。
The experiment result indicates that the system can improve the ranging precision and at the same time allows a more accurate estimation of the distance.
提高了信号的传输距离和精度，为图像数据采集装置的测试提供了可靠的信号源。
This method can enhance the signal transfers distance, precision and offer the trustiness signal source to picture data acquisition system.
线性调频连续波(LFMCW)雷达在理论上有很高的测距精度，可用于对目标的距离跟踪。
The Linear Frequency Modulated Continuous Wave (LFMCW) Radar has high theoretical range precision and can be used for range tracking.
分析列车超速防护系统的制动精度和它的安全防护距离的设计问题。
The paper analyzes the issues on the braking accuracy and its safety protection distance designed for automatic train overspeed protection system.
采用该算法可以方便地测量多频连续波雷达系统的零距离，提高雷达系统的测距精度，减小测距的系统误差。
Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased.
该气温传感器具有结构简单、可靠性高、调试方便、测温范围广、精度高、传输距离远等优点。
This sensor has several advantages, such as simple construction, high reliability, easy debugging, wide measuring range, high precision and long distance transmission ability.
研究表明，距离误差模型对于研究机器人的位置精度具有事半功倍的效果。
Research work has shown that the distance error model is useful to the study of thepositioning accuracy of robots.
对于中程距离的测量，从测量速度、精度和可靠性的折衷方面来讲，相位式激光测距法优于其它的测距法。
In terms of speed, accuracy and reliability for medium range measurement, phase shift laser rangefinder is superior to other methods.
GPS定位技术的高效率、高精度、没有距离的限制、全天候作业模式及观测和数据处理的高度自动化等诸多优点，使GPS定位技术在大坝、坝区高边坡安全监测中得到应用。
Because of high-efficient, high-precision, no distance limitation, all-weather operation, highly automated and so on, the technology of GPS positioning is used in the security monitoring of the dam.
这种移动测量系统通过代价函数的计算和距离剖面匹配使得重建图像的精度和效率大大提高。
The accuracy and efficiency of traverse measurement system are improved by means of the cost function calculation and range profiles matching.
时延测量精度是制约距离测量精度的主要因素。
The main factor for ranging distance is high precision time delay.
介绍了双模跟踪的ARBS原理及系统组成，分析了其关键技术参数：作用距离、角速率精度。
The theory and composing of ARBS based on the double model tracker were introduced. The key parameters of operating distance and angle speed precision were analysed.
这种方法克服了整数步长的限制，有效地提高了距离对准的精度。
This method overcomes the limitation of integer steps and improves the accuracy of range alignment.
这一方法不仅能够算出所用插值算法的实际径向偏移距离，还能比较不同算法关于径向精度的建模质量。
This method can not only describe deviation of features after modeling but also compare the modeling quality of different modeling methods according to radial accuracy.
该机构具有承载能力大、离地距离大、方位精度高和可靠性高的特点。
The mechanism has many features such as bigger bearing capacity, higher lifting height, azimuth precision and reliability.
计算结果表明，采用IGS产品可有效提高单站定时和远距离时间传递的精度。
We show the improvements in stability and accuracy resulting from the use of IGS products in this paper.
首先，本文在讨论了数据融合相关技术的基础上，对电视跟踪仪高精度的角度测量和雷达高精度的距离测量作点迹融合。
Firstly, this paper introduces the corresponding technique of data fusion, and then the Angle of video tracker with high accuracy is fused with the range of radar with high accuracy.
由于伪随机码固有的测距能力——其长周期和互相关特性，使得在测距距离和精度方面可以同时提高，采用码分多址技术可以实现对多个目标同时进行测控。
As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.
同时，感应器与停车线之间的距离对预测精度的影响也进行了初步分析。
In addition, the effects of the distance between the detector and stop line on the prediction results are analyzed.
因此，采用高精度线加速度计并通过信号处理提高其精度，以及实现加速度到速度和距离的高精度转换具有现实的意义。
So it is provided with the practical significance to improve precision and realize the high precision transform from acceleration to velocity and distance.
因此，本文拟在不改变扫频带宽的前提下提高频率估计精度从而提高距离测量精度。
The thesis plans improving frequency estimation accuracy, without changing the bandwidth of the transmitted signal. So, we can improve the range estimation accuracy.
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