测井信号有线传输的FPGA硬件仿真研究

测井信号有线传输的FPGA硬件仿真研究

郑津;张平

【期刊名称】《计算机工程与设计》 【年(卷),期】2013(034)002

【摘要】Aiming at making hard description of logging under complex geological circumstances,a method of FPGA (field-programmable gate array) hardware simulation for signal transmission is proposed.The method fully considered interfering factors caused of cable transmission characteristics and geological environment,and a deduction is represented for realizing the hardware simulation model.The modular hardware simulation concept is introduced,and the precise simulation of the

multi-

interfering-factor

analysis

coupling and

stated

model for

is the

implemented.Statistical functional tests

efficiency,error and resource consumption,illustrate that the processing gains could reach the actual effects of logging system field test.%针对传统仿真方法难以描述复杂地质环境下测井信号有线传输过程的问题,提出了一种利用FPGA对该过程进行硬件仿真的方法.充分考虑该过程中影响传输效率的信道干扰和地质背景干扰,严格推导了该过程硬件仿真模型的实现方案.介绍了有限元硬件仿真的概念,实现了多基干扰模型耦合情况下精确仿真的方法.对设计方案的效率、计算误差及硬件资源的消耗情况进行了详细的测试分析,结果表明该方法可有效仿真测井信号有线传输的情况. 【总页数】6页(480-484,514)