The basic principle of eddy current testing is introduced and the coil impedance responses due to the variations of the probe coil lift-off are analyzed and studied.
简要介绍了涡流检测的基本原理和涡流探头的特性;分析和研究了涡流检测探头提离变化对阻抗的影响;
X1 probe: no attenuation, input impedance follow that of scope input impedance (usually 1 Mohm). This type of probe is seldom used because of heavy loading effect on circuit under test.
X1探头﹕没有衰减﹐输入阻抗跟示波器输入阻抗一样(通常是1兆欧)。由于对测试电路有很大的负载影响﹐所以很少使用这种探头。
Probe array used for the measurement of transient RF impedance in ion cyclotron resonance heating (ICRH) experiment often gives erroneous results.
在离子回旋共振加热(ICRH)实验中用于测量瞬态射频(RF)阻抗的探针列阵常常给出错误的结果。
In this paper, the expressions of the input impedance for a probe type coaxial line-rectangular waveguide transducer are derived by means of self-reaction of an assumed current over the probe.
本文利用探针上假定电流的自反应,导出了探针式同轴线-矩形波导转换器输入阻抗的表达式。
A general expression of incident impedance of probe in waveguide is deduced first.
首先推导出波导探针输入阻抗的一般变分表达式。
A microwave three probe system has been used to study the changes of annular waveguide plasma source impedance with operational parameters.
采用微波三探针研究了环形波导等离子体源阻抗特性随运行参数的变化。
Detection circuit use impedance - voltage transformation method to detect changes in eddy current probe impedance.
检测电路采用阻抗—电压变换法,检测涡流探头阻抗变化。
Detection circuit use impedance - voltage transformation method to detect changes in eddy current probe impedance.
检测电路采用阻抗—电压变换法,检测涡流探头阻抗变化。
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