The methods and principles of measuring coal thickness by resistivity method along a horizontal borehole in coal sean are presented. Several sorts of geologic electrical models are forward simulated by using linear numerical filter.

• 论述了顺煤层水平钻孔中电阻率法探测煤层厚度的方法原理，使用线性数字滤波法对不同地电类型做了正演模拟。