difference measurement造句
例句与造句
- Design of numeral type phase difference measurement instrument
数字式工频电压相位差测量仪的设计 - Satellite fixing by range difference measurement
卫星距离差定位 - Standard test method for color and color - difference measurement by tristimulus filter colorimetry
用三色激励测色法 - Analysis of target tracking based on range difference measurement with multistatic radar system
多基地雷达系统中基于距离差测量的目标跟踪分析 - Standard practice for identification of instrumental methods of color or color - difference measurement of materials
材料的颜色或色差用测量仪器法识别的标准实施规范 - It's difficult to find difference measurement in a sentence. 用difference measurement造句挺难的
- Results of experiment show that the two algorithms put forward in this paper are effective in phase difference measurements of high speed and precision
相位差检测实验结果表明，提出的方法能快速准确地实现相位差的检测。 - Algorithms concerning phase difference measurement , viz , the zero passage method and the relevant function method are brought forward
摘要针对相位差检测的过零法和相关分析法，阐述了算法的检测原理，讨论了影响相位差检测精度和快速性的因素。 - Developing the phase introduction logging faces two key problems namely calibration and phase difference measurement . this paper has researched that two problems deeply and has obtained many important results
相位感应测井仪的研发不可避免地面临两大关键问题,即仪器刻度和相位差检测。 - Simulations show that this method is effective . observability analysis and error analysis are also given . in chapter three , ambiguity elimination for phase difference measurement data is discussed
本章还针对该无源定位问题进行了可观测性分析和单次定位随机误差分析，给出了分析结果。 - A virtual phase difference meter is developed based on the principle of phase difference measurement of phase - locked loop , and the main requirements for data acquisition device are given
发了一种基于锁相环的相位测量原理而设计的虚拟相位差测量仪，并给出了该系统对数据采集设备的主要要求。 - The purpose of subject is to achieve the phase difference measurement of two 50 hz sine signals . based on the further analysis about all kinds of phase measurement system , the research of phase measurement system for 50 hz sine signals is made in the paper
本课题是以实现两路工频正弦信号的相位测量为目的，在对国内外的各种相位测量系统进行了深入分析的基础上，针对相位测量系统的各个环节进行了研究。 - The emphasis of the research of the method of time difference measurement is how to suppress noise and interference effectively . the second part is to discuss the capacity for anti - interference of generalized cross correlation ( gcc ) algorithm . the algorithm based on high order cumulant is introduced to solve the problem , which is bad performance to suppress noise of gcc
基于广义平稳信号的模型,论文第二部分讨论了广义互相关( gcc )时差测量算法的抗加性噪声干扰能力,针对其相关噪声抑制能力差的问题,提出了基于高阶累积量的时差测量算法,对算法的适用范围、计算复杂度等方面进行了分析。 - Abstract : we have studied the polarization beats spectroscopy with phase - conjugation geometry in a cascade three - level system . it was found that the accuracy for the energy - level difference measurement is determined by the homogeneous linewidths of the optical transitions . under the condition for the occurrence of beating , the frequency difference of the beat between two independent light sources could exceed the laser linewidth . the measurement accuracy for laser absolute frequency could reach the same order of magnitude as the laser linewidth
文摘:研究了级联三能级系统中的相位共轭极化拍频光谱术.发现其对能级差的测量精度决定于光学跃迁的均匀增宽.在符合拍频条件时，两独立光源拍频的频差可以超出激光线宽，激光绝对频率的测量精度可达到与激光线宽同一量级 - The main contents as follows : 1 . studied the ideal second class calibration system , having studied kinds of parameters of the calibration system and environment ’ s influence on the phase difference measurement and have obtained many important results . put forward an engineering calibration system , and obtained the phase difference - - electric conductivity rate curve and analyze the system ’ s error margin etc . important
本文就这两大关键问题做了深入的研究,主要内容为如下: 1 .研究了相位感应测井理想二级刻度器模型中各种参数和环境对测量精度的影响,得到了许多重要的结论;同时提出了一种工程上切实可行的刻度系统方案,给出了相位差-电导率曲线以及系统误差等重要参数。 - Measurement accuracy of phase - shift laser range finders is up to millimeter level in large range through multi - frequency modulation and high precision phase difference measurement . however , laser range finders existing is not suitable for large range high speed tracing measurement for their complex multi - frequency modulation circuit and conflict between precision and speed in phase - shift measurement . in order to improve the large range measurement speed and accuracy , key technologies on multi - frequency modulation and high precision phase - shift measurement are deeply researched in this paper
相位法激光测距采用多频调制和高精度的相差测量技术可以在大范围内实现毫米甚至更高精度的测量,但现有的测量装置由于存在多频调制电路复杂和没有很好的解决相差测量的高精度和快速测量之间的矛盾问题,使得相位法激光测距很难应用于大范围目标快速的跟踪测量。