Phase comparison method is used here.
采用的是相位比对方法。
Phase comparison protection where the comparison is made twice per cycle.
每周期比较两次的相位比较保护。对正半周和负半周各比较一次。
Phase comparison is a high precision comparing method for frequency standard.
比相法是一种高精度的频标比对方法。
The phase comparison curve can be observed by using calculated values to simulate the curve.
利用计数值进行曲线拟合，便得到无“死区”相位比对曲线。
That can be regarded as a phase comparison protection and also has the function of amplitude comparison.
它具有相位比较的功能，也兼有幅值比较的作用。
The measurement of sound speed in the air is studied in the experiment by phase comparison method and standing wave method.
通过实验，应用相位比较法和驻波法对空气中的声速测量进行了研究。
In some of the precision of the field is not very high, simple and flexible algorithm for phase comparison with a broad market.
而在一些对精度要求不是很高的领域，简单灵活的相位比较算法有着广阔的市场。
A phase comparator compares the phase of the reference clock with that of the output clock and outputs a phase comparison signal.
相位比较器比较基准时钟和输出时钟的相位，并输出相位比较信号。
The phase comparison between fault feeder and healthy feeder is one of important criteria in fault line selection for neutral non-effective grounding systems.
小电流接地系统发生单相接地故障时，故障线路与健全线路在特征频段内零序电流的相位差别是接地选线判据的重要依据之一。
The principles used in measuring sound velocity by means of resonant interference and phase comparison are analyzed and compared, which are convenient for teaching.
为了方便教学，对用共振干涉法和相位比较法测定超声声速的原理进行了剖析、比。
Seeing that the importance of the bus protection wiring in bus coupler current phase comparison, in this paper an on-load testing verifying its wirings is introduced.
针对母联电流相位比较式母差保护接线的重要性，文章介绍了一种带负荷测量法去验证母联电流相位比较式母差保护接线正确的方法。
The phase comparison error is the primary factor leading to mistaken action in the selective leakage protective system of underground LV networks based on zero sequence current direction.
在基于零序电流方向原理的矿井低压电网选择性漏电保护中，比相误差是导致保护误动的主要因素。
The invention discloses a high-precision absolute distance measurement system based on an interferometric phase comparison method, belonging to the technical field of precision measurement.
本发明公开了一种基于干涉相位比较法的高精度绝对距离测量系统，属于精密测量技术领域。
The design concept and working principle of the system are discussed, and the key technologies including black-white bar coding, phase comparison modules and system control program are analyzed.
详细阐述了系统工作设计思想与工作原理，并对其中的关键技术黑白条形码编码方式、相位比较模块与系统控制程序等进行了详细分析。
On the research of traditional phase noise measurement methods, a new phase processing and phase noise measurement method based on Equivalent phase Comparison Frequency is proposed in this paper.
本论文在对传统相位噪声测量方法研究的基础上，提出了基于等效鉴相频率的相位处理和相位噪声的测量。
In this method the transient fault signals are analyzed with wavelets transform to obtain the transient fault information, and the fault circuit is selected by the synthetic phase comparison method.
该方法利用小波变换分析所采集的故障暂态信号，提取用于选线的暂态信息，并采用综合相位比较法确定故障线路。
This article discussed why a search engine is a tool most likely used by online shoppers during their research, comparison, and purchasing phase of the buying process.
本文讨论了在线购物者在购买过程的调研、比较和购买阶段为何极有可能使用搜索引擎。
Phase III trials: These studies test a new drug, a new combination of drugs, or a new surgical procedure in comparison to the current standard.
三期试验：这些试验研究一个新药，一个新的药物合用或者一个新的手术方法与当前标准治疗的比较。
The mechanism of oxidation resistent was studied by the comparison tests of single ceramic phase coatings.
通过与单一陶瓷相涂层的对比试验研究了它的抗氧化机理。
We have discussed the influence of an atom interacting with squeezed vacuum field on the phase properties in comparison with squeezed vacuum.
与单一压缩真空态场位相特性比较，讨论了原子与压缩真空态场相互作用对场的位相特性的影响。
Utilizing the regularity of phase difference between period signals, phase processing is made on comparison signals, which reduce effectively quantified error.
这个方法利用了周期性信号间相位差变化的规律性对比对信号进行相位处理，有效地减小了量化误差。
Finally, the comparison of liquid-phase overall volumetric oxygen transfer coefficient in water with that in restaurant waste-water was made.
最后，对相同操作条件下焦炭与组合型填料在清水与餐厅污水中的氧转移系数进行了比较。
Through a comparison of the use effect of CL-80 grout with that of acid-resisting brick in the construction phase, it is shown the influence of construction condition on the choice of chimney lining.
结合实际案例，具体分析内衬选型过程考虑的细节问题，对比内衬采用CL-80浇筑料和耐酸砖在施工过程和使用效果方面的区别，揭示了施工条件对烟囱内衬选型的影响。
Based on comparison of several determination methods, the quantitative phase analysis by XRD is confirmed as a reliable, valid and exact determination method of Y-TZP aging behavior.
通过多种检测分析方法的对比研究，确定XRD相定量分析是一种可靠、可行、高效、准确的Y -TZP老化性能检测分析手段。
The detailed comparison shown that secant modulus ratio isn't constant, this phenomenon is exist even though at the quasi-elastic deformation phase.
详细的比较表明，在不同的变形阶段，两者割线模量之比并非常数，即使是在准弹性变形阶段，也存在这一现象。
Comparison of cost and profit of products shows that motor fuel from the liquid phase F-T synthesis is economically feasible in the coal-rich areas.
产品的生产成本和收益的比较表明，在煤炭资源丰富地区，由液相f - T合成技术制取车用燃料，在经济上是可行的。
Development and commercial application of domestic gas phase polyethylene BCS02 slurry catalyst were described and comparison of it with other polyethylene catalysts was discussed.
介绍了国产BCS02型浆液聚乙烯催化剂的开发和工业应用情况，并与其它同类型催化剂进行对比。
Three-phase half wave controlled rectifier, hysteresis comparison mode current track control, and realization of SVPWM by S-Function are used as examples to describe the usage of the software.
并以三相半波可控整流电路、滞环比较方式的电流跟踪控制、利用S函数实现空间矢量脉宽调制为例说明了软件的使用方法。
By comparison of test results of two prototypes, it is shown that the capacitor three phase induction generator is worth being popularized in winding power system.
通过两台样机进行实验对比，实验数据表明三相电容式异步发电机在风电系统中有很高的应用推广价值。
The comparison method in phase noise measurement system is introduced by means of the advanced way in interlaboratory comparison and proficiency testing.
通过采用国际上先进的实验室比对和能力验证方法，提出了相位噪声测试系统的比对方案。
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