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- return loss measuring set 反射波损耗测量器
- Return Loss Measurement of Fiber Optic Components 光器件的回波损耗测试技术
- Application of Spectrum Analyzer to Return Loss Measurement 频谱分析仪在回波损耗测量中的应用
- Analysis of Return Loss Measurement System of Optical Fiber Device 光纤器件回波损耗测量系统分析
- dielectric loss measuring set 介质损耗测量装置
- transmission loss measuring set 传输损耗测量器
- Dielectric loss measuring is the normal test items in electric power system. 介质损耗测量是电力系统中的常规试验项目。
- This paper presents the principle and method for measuring various microwave devices return loss by spectrum analyzer and analyses the uncertainty of measurement. 介绍了频谱分析仪测量各种微波器件回波损耗的原理和方法,并对测量结果的不确定度进行了分析。
- A capacity and loss measuring instrument for no-load and load test of power transformer is developed. 摘要设计了一种用于电力变压器空载及负载试验的容量损耗测试仪器。
- Conclusion: The features of breast fibroadenoma were irregular, skin needling or crablike, exiguity calcify and rear active return loss, CDFI: RI>0.75. 结论:乳腺癌的特征性表现为形态不规则,毛刺状或蟹爪状,致密小钙化灶和后方回声衰减,CDFI:RI>0.;75。
- Method of insertion loss measurement for radio frequency filters. 射频滤波器插入损耗的测量方法。
- SRL(structural return loss) is one of the important indicators of telecom cables, while the capacitance in water of cable may reflect the periodic defect of the production line. 结构回波损耗是通信电缆的重要指标之一,而电缆绝缘线芯的水电容可综合反映生产线上的周期性缺陷。
- Air freight and air mail must pass through safety inspection and other safety measures set by the State. 航空货物、航空邮件应当经过安全检查或者对其采取国家规定的其他安全措施。
- Experimental results show that,compared with traditional double-talk detection methods,the new algorithm has comparable computation complexity and works more stably,thus improving the echo return loss enhancement(ERLE) during the double-talk. 实验结果表明,该算法与传统算法相比,运算量相当; 但在双端发声期间,该算法稳定性更高,回音往返损耗增强(E cho return loss en-hancem en t,ERLE)有明显的改善。
- Brastel business communications industry engineering equipment, optical fiber welding machines, optical time-domain launch, T-red light source, optical return loss tester, and all kinds of blades. 敝公司经营通讯行业的工程设备,有光纤熔接机,光时域发射仪,笔式红光源,光回波损耗测试仪,及各式刀片。
- noise-figure measuring set for microwave equipment 微波噪声系数测试仪
- The Development of Can Vacuum Measuring Set 罐头真空检测仪的研制
- The loss measured in the rats after only two weeks in space was an alarming 40 percent. 在太空仅仅呆了两星期的老鼠经检查后发现,其损耗程度可达40%25,这是十分惊人的。
- microwave characteristics measuring set 微波特性测试仪
- In this paper, we reported the multimode fiber bending loss measurement by fiber loop ring-down spectroscopy (FLRDS). 对多模光纤的弯曲损耗进行了定量测量和分析。