range measurement

The measurement of thermal electrical resistivity and X-ray diffrction method were used to study the process of crystallization. The results show that the alloy maintains a single extracted phase during a wide range of annealing temperature.

我们采用晶化过程中电阻测量及X射线衍射方法研究了该合金的晶化过程，研究表明该合金在很宽的温度范围内进行退火处理都只存在单一的αFe（Si）析出相。

In the field of electronic measurement, some signals have very large dynamic range. In order to measure and analyze these signals expediently, modern measurement receiver used to adopt a design of large dynamic range logarithmic amplifier.

在电子测量领域中，一些信号的电压往往具有很大的动态范围，为了更加方便地测试和分析这些信号，在现代测量接收机的设计中，常常采用大动态范围对数放大器设计技术。

For reducing range measurement error, the paper utilizes RSS experience attenuation model to measure one hop-distance between nodes and discuss on using kalman flitter to reduce the noise.

为了降低测距误差对定位精度的影响，本文使用RSS经验衰减模型估测单跳节点间的距离，并对利用卡尔曼滤波算法降低噪声的过程进行了探讨。

In the industrial production process, thermocouple is the temperature sensor with a wide range of applications and characterized by its simple structure, stable performance, small thermal inertia, high measurement accuracy, wide temperature measurement range, long-distance transmission ability ang so on.

在工业生产过程中，热电偶是常用的温度传感器，应用相当广泛。它具有结构简单、制造方便、测温范围广、性能稳定、热惯性小、测量精度高、输出信号便于远传等优点。

Triangle Sagnac Experiment and GPS Range Measurement Equation with a Crucial Test Related to the Principle of the Constancy of the Speed of Light

三角形的Sagnac实验和GPS量程公式与有关光速不变原理的关键性试验

Compared to other types of compact range, the front fed Cassegrain compact range provides larger quiet zone and lower polarization, which satisfies the requirement to the polarization purity in the satellite test and polarization matrix measurement.

相对于其他类型紧缩场而言，前馈卡塞格伦紧缩场具有更大的口面利用系数和较低的交叉极化，可以满足卫星天线测量、交叉极化矩阵测量对极化纯度的要求。

These anemometers share the same features of low measurement accuracy, narrow range, long period to test and short duration. Besides, the measuring results are easily affected by external environmental factors.

这几种原理的风速仪测量精度低、范围小、测量周期长、持续工作时间短，且测量结果易受外部环境因素的影响。

Education measurement range evaluation method with the purpose of testing students' body and mind. The evaluation method with general significance different groups and items. We also can make special models of evaluation according to specific characteristics.

进步幅度评价法符合教育测量的目的和学生的身心要求，其评价方法具有普遍意义，不同群体，不同运动项目，可根据各自特点制定相应的评价模式。

Due to a combination of computer technology and test and measurement instrumentation technology, the new generation of test equipment-the virtual instrument has a very wide range of applications in university research and teaching.

由于计算机技术与测量测试仪器技术的结合，新一代的测试仪器就出现了&虚拟仪器，其在大学科研和教学中有着极其广泛的应用。

The measurement shows that 310.8 nm is the suitable wavelength for detection of trichloroethylene and 322.5 nm is the suitable wavelength for detection of tetrachloroethylene in this wavelength range.

研究表明，该波长范围内三氯乙烯的最佳检测波长为310.8nm，四氯乙烯的最佳检测波长为322.5nm。

A measurement system of broad time range ( 10-3-10-9s) and broad wavelength range ( exciting wavelength almost covering 337-750 nm) was designed in order to get fluorescence lifetime of molecules.

设计组装了宽时域（10－3s～10－9s）和宽频域（激发波长几乎可以复盖337～800nm波长）的激光光源分子荧光寿命测试系统。

In this paper, the influence of Doppler effect on GPS pseudo range measurement is described and the model of doppler correction for GPS pseudo range measurement is established.

论述了多普勒效应对GPS伪距测量的影响，建立了GPS伪距测量多普勒改正的模型。

Supersonic Wave ′ s Vibration Range Measurement System The Amplitude of Damped Oscillation

超声波加工工件振幅检测系统原理及部分信号处理电路阻尼振动的振幅