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short circuit current ratio
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  相似匹配句对
     On the Short Circuit Current Calculation
     有关短路电流的计算
短句来源
     The Importance of Short-circuit Protection
     短路保护的重要性
短句来源
     Design of coils short circuit tester
     线圈匝间短路测试仪的设计
短句来源
     Study and Analysis on the Short-circuit Current
     短路电流的研究与分析
短句来源
     Short Circuit Current and Effect Factors
     短路电流及其影响因素
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A new method to measure the wavelength and power of light is presented, which use a dual P-N junction as sensor. The total response of sensor can be compensated into plane by change the weighting of two junctions’ short-circuit current. First the wavelength can be calculated by the short-circuit current ratio of two junctions, then power of light can be calculated accurately by short-circuit current, weighting and response curve. Fitting and calculation...

A new method to measure the wavelength and power of light is presented, which use a dual P-N junction as sensor. The total response of sensor can be compensated into plane by change the weighting of two junctions’ short-circuit current. First the wavelength can be calculated by the short-circuit current ratio of two junctions, then power of light can be calculated accurately by short-circuit current, weighting and response curve. Fitting and calculation is used by the software Mathematica4. It shows that compensation can decrease error of power by 1%~5% and converge the error in two edge of spectrum.

提出了一种用硅双结色敏器件自动测量光波长和功率时精确修正功率误差的方法.根据两个结的光谱响应曲线,利用补偿算法确定各个波长下每个结的短路电流在光功率计算中的权重;并利用两个结的电流比计算光的波长,根据波长确定的响应度、权重和短路电流,最后算出光功率.整个数据拟合、计算过程均用 Mathemati ca4软件进行,数值分析的结果表明利用补偿算法可以使光功率测量的误差降低1%~5%,并使误差在光谱两端减少发散.

The measurement method of color temperature by Si color sensor with double PN junction is first presented in this article.Based on right measurement circuit,the color temperature of a shiner is in definite relationship with the proportion of deep and shallow junction current of a color sensor correspondingly,good linearity is shown after being processed by the computer.Through the fitting and calculation of short-circuit current ratio to wavelength characteristic,the maximum...

The measurement method of color temperature by Si color sensor with double PN junction is first presented in this article.Based on right measurement circuit,the color temperature of a shiner is in definite relationship with the proportion of deep and shallow junction current of a color sensor correspondingly,good linearity is shown after being processed by the computer.Through the fitting and calculation of short-circuit current ratio to wavelength characteristic,the maximum measurable range of color sensor can reach 10~4 K,and the measurement precision can be 10 K.Compared to the tradition ones,it enjoys the merits of little workload and cheap cost,and is proven to be generalized and effective.

提出了一种用硅双结型色敏器件测量色温的方法.在合理的测控电路下,硅双结型色敏器件的电流对数比与实验灯泡的色温值呈良好的单值对应,经单片机处理后可以得到分段线性关系.通过对电流对数比与波长曲线的数据拟合,结果表明,用硅双结型色敏器件测量色温,其测量温度可以到104K以上,精度可以达到10 K.本文的方法与传统方法相比减少了工作量,降低了费用,具有通用性和实用价值.

 
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