摘要
介绍了涡流无损检测系统,分析了涡流无损检测装置的原理,为提高系统性能采用了DSP作为涡流无损检测装置的正弦信号发生器,提供了目前常用的几种利用DSP产生正弦波的方法,利用DSP产生正弦波,能充分利用其优点,使得产生的信号波形精度高,稳定性好,编程简单、灵活,在涡流无损检测系统中取得了很好的应用效果。
Introduction was made to vortex nondestructive testing system analyzing the principle of vortex nondestructive testing device, in order to raise the performance of the system, DSP was adopted as sine wave signal generator, serval ways using DSP to produce sine wave at present were provided, by using DSP to produce sine wave can fully use its advantages to get high accuracy, good stability for the signal wave produced and also simple and flexible in programming with very application effects obtained in vortex nondestructive testing system.
