提出了一种计算圆形螺旋线圈自感和分布电容的方法。
A method for calculating the self inductance and distributed capacitance of the spiral inductor is described.
我们能定做您的螺旋线圈，满足最大的直径范围和样式。
We can custom build your coils to meet the largest range of OD 's. and patterns.
电流大小与钻头附近电阻率有关，由另一个螺旋线圈测量。
The magnitude of the current depends on the resistivity near the bit, and is measured by another toroid.
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