| Low strain dynamic testing inverse interpretation software is still out-of-the-way home. The major reason, except that country has not compulsively required interpreting for the low strain dynamic inversely, is that it hasn't had biggish breakthrough in theory in long term. However, the paper "Dynamic axial response of multi-defective piles in nonhomegeneous soil" has got approbatory extensively achievement in it. On the basis of that, the software of direct and inverse interpretation system of the low strain dynamic testing is designed by this paper, and also the data-collected hardware which matches to it is managed to develop. Adopting C++ program language, the system of Direct and inverse interpretation, which achieves direct and inverse interpreting for the curve of low strain dynamic testing and can read exactly the data of the central testing equipments in home and the overseas, gets a better outcome through matching various of road-testing curves. Moreover, a new concept is brought forward by this paper, namely auto-matching under the control of manual work, which hasn't been used in other analyzing software of the same kind. This method sharply lightens the workload of curve matching. It is the innovation of this system that this system not only can be used as routine indoor analyzing software of low strain dynamic testing, but also realizes the direct and inverse interpretation; furthermore, software can run quickly. In hardware, adopted AT89C51 microprocessor unit, Data-collected manipulative system carries out controlling the address and the time of each module, and let results, having been collected, return to PC. For collecting system makes use of high- precision and high-speed chip of AD976A and combined with First-In-First-Out cache IDT7203, the speed of collecting reaches the high speed of 200K, 5us and the testing result accords with sampling theorem. |