介绍了一种基于波形分析的数字式互感器校验仪，着重论述其测差原理及实现方法。
This thesis introduces the digital instrument transformer test set based on wave analysis. And it emphasizes on discussing its theory and realization method.
在研究分析了多种互感器校验仪的基础上，论述了三种互感器校验仪测差电路，并对其原理和特点进行了分析。
Based on the principle analysis of various transformer calibrators, this paper discusses three kinds of difference measuring circuits for the calibrator.
仪器使电流比较仪处于零磁通工作状态，再利用互感器校验仪的测差原理测试被检电流互感器的误差，从而使互感器校验仪具有比较仪检定功能。
In this instrument the current comparer is set to zero magnetic flux, then the instrument transformer calibrator with the theory of measurement can measure the error of the current transformer.
在整个比对过程中，我们希望得到被测电池电压差的稳定性指标。方法是从几个冗余的读数计算出其标准偏差。
Throughout the entire intercomparison process, it's desirable to establish the stability of a measured cell difference by calculating a standard deviation across several redundant readings.
文中提出了避免残差灵敏度矩阵存储的新方法，以及对量测估计进行局部修正的方法。
A new method of how to avoid the storage of the residue sensitivity matrix and of how to make local correction of measurement estimates are discussed in this paper.
如天气好，每一班测取天体方位求出罗经差。
Take celestial azimuth and find compass error on each watch if the weather is fine.
在单脉冲雷达中，和差通道接收机的幅度和相位影响单脉冲雷达的测角精度。
In monopulse radars, the amplitude and phase of sum and difference channels have influence over Angle measurement accuracy.
差分GPS在谷物产量图生成中的应用表明，差分GPS技术能满足田间谷物测产的需要。
The application of differential GPS in grain production figure shows that differential GPS technology can meet the need of grain production estimate.
航空重力测量测线网平差是航空重力测量的关键技术之一，这也是本文的主要内容。
The network adjustment is one of key techniques for airborne gravimetry, it is also an important component in this paper.
透气性测定通过恒压气源吹气测压法实现，透气性探头的核心部件是微压差传感器。
Permeability is measured by constant pressure air source blowing, core of the detector is micro differential pressure sensor.
对非量测用摄影机所摄影像的解析处理，控制点起着不可缺少的桥梁作用，控制点的数量和分布形式将直接影响平差结果的可靠性和精度。
In the data processing of photography obtained by non surveying camera, the number and distribution of control points will directly effect the reliability and precision of the adjustment results.
可惜的是，当采用一个十分庞大的附加参数组时，在某些几何条件下将导致很坏的法方程系状态，从而使测求的平差结果很差。
Unfortunately, introducing a comprehensive set of additional parameters can produce a bad condition for normal equations under certain geometry, so that the adjusted results are poorly determined.
墩差测量和仪器比测是地磁观测中最基本的工作，直接影响到观测资料的质量和使用价值。
The pilar difference measurement and instrument comparison is basic to the quality and usage of the recorded geomagnetic data.
得到待测样品吸收光谱的通常方法是，将样品的透射光谱和不含样品的背景光谱进行差减计算。
The common used method of getting the absorption spectrum is to subtract the background spectrum from the transmission spectrum of the sample.
合理选择残差信号的阈值，能够可靠地诊断汽车发动机电控系统负载不可测且存在随机干扰时的故障。
The faults in the automotive engine control systems can be reliably diagnosed by the proposed method through suitable choice of the threshold for the residual signals of the UIFDOs.
通过监测可测点工作电压利用所构建的故障阈值函数与故障判据来实现容差电路的故障在线检测。
By monitoring accessible node voltages, fault on-line detection is performed based on the proposed fault threshold function and fault criterion.
此方法回避了多维谱峰搜索和参数配对，克服了在短数据时离散傅立叶变换测频分辨率低和性能差的不足。
Without any spectral peak search and parameters pairing, the resulting method is computationally efficient with high resolution and small variance, even in the short data length.
为了快速准确的找到电力电缆故障所发生的位置，研究了声磁传播时间差法测寻电力电缆故障点。
In order to locate power cable fault fast and accurately, the acoustic propagation time measurement was developed to detect cable fault.
简要介绍了GNSS差分定位原理，遥、外测系统组成及关键技术。
The GNSS difference locating theory, telemetry and orbit measurement system and key technologies are described.
使用零差检测跟踪相位即可得到被测信号。
利用CDMA无线数据传输技术传送gps差分数据可以扩大测区范围，实现高精度实时动态定位。
We can enlarge the range of mapping region by utilizing CDMA wireless data transmission in transporting GPS difference data, and realize high precision orientation of real time.
对于油质差、产液量高、多次长时间排液井层，常规的试井方法难以达到测产目的。
For the well layers with low quality, high fluid production and many times and long time flowing back, conventional well testing method is hard to reach testing objective.
笔者采用数字手段去测取超声波信号的频差，通过频差法可得出流体的平均速度，进而获得高含沙量流体的流量。
A digital signal processing way is established to obtain ultrasonic signal frequency shift in the test of high sand content fluid flow.
对中精度一定情况下，微型边角网的短边测角误差相对大些，其成果应作不等精度混合平差。
Under a certain aim-mid precision, the error of short line Angle survey of the mini brim-angle net is bigger, so the production should be done the unequal precision mixable adjustment.
针对毫米波末制导雷达角跟踪精度差的问题，提出基于频域高分辨像的单脉冲测角算法。
Designed for the lower Angle precision of the MMW terminal guidance radar in angular tracking, the new algorithm based on high frequency resolution profile is proposed in this paper.
给系统误差适当约束，即可求解出各测线的系统误差。分别校正系统误差和随机误差，便完成闭合差校正。
The averaging procedure is therefore unsuitable for correction and systematic error on each line has to be separately computed.
采用GPS静态差分定位技术的滑坡监控系统，要求回收各个测点的GPS观测数据，然后在监控中心完成差分解算。
In landslide monitoring system adopting the technology of GPS difference position, the (monitoring) center must get data from every survey point and then accomplish GPS difference position.
传统的实测资料分析法存在分析效果差、效率低的缺陷，不能充分利用河道测图提取河床演变信息。
However, the traditional analysis of data is inefficient which can not pick up the fluvial process information fully from the channel data.
并过对测量过程中的误差源进行分析，找出相应的消除办法，从而将超声测厚技术更加完善的用于火炮身管的壁厚差测量中去。
Analysis of error source in the measurement can help to find the way to eliminate error. Accordingly the ultrasonic thickness measurement can adapt well to the measurement of artillery body.
并过对测量过程中的误差源进行分析，找出相应的消除办法，从而将超声测厚技术更加完善的用于火炮身管的壁厚差测量中去。
Analysis of error source in the measurement can help to find the way to eliminate error. Accordingly the ultrasonic thickness measurement can adapt well to the measurement of artillery body.
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