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A design method of digital deconvolution filter for on-line compensation of system dynamic characteristic

机译：一种数字去卷积滤波器的设计方法，用于系统动态特性的在线补偿

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The traditional digital deconvolution filter which is influenced by its structure has some problems in online compensation of the test system, such as instability, slow speed, and low precision. So we design a digital IIR deconvolution filter which can be realized on Field Programmable Gate Array to compensate the dynamic characteristics of the test system quickly and use the cascaded structures which is easy to realize zeros and poles to design 4-stage cascaded differential compensation module which is assigned for the zero-pole. The Xilinx Spartan 6 platform is used to verify the stability and real-time performance of the module whose parameters are quantified, through dynamic calibration experiment to analyze dynamic compensation effect of Endevco 8530c pressure sensor and its test system of dynamic compensation effect on the time and frequency domain characteristics. Compare the result of compensation by direct type I structure, this kind of digital filter design method has the advantages of small quantitative impact, fast calculation speed, and configurable parameters, to some extent make up for the defect of the online compensation system characteristics.
机译：由其结构影响的传统数字解卷积滤波器在测试系统的在线补偿中存在一些问题，例如不稳定，速度慢，精度低。因此，我们设计了可以在现场可编程门阵列来实现快速补偿测试系统的动态特性，并使用级联结构，该结构是容易实现的零和极点，设计4级级联的微分补偿模块的数字IIR去卷积滤波器，其分配给零极。 Xilinx Spartan 6平台用于通过动态校准实验来验证其参数量化的模块的稳定性和实时性能，以分析Endevco 8530C压力传感器的动态补偿效果及其动态补偿效果的动态补偿效果和时间频域特性。通过直接I型结构进行比较补偿结果，这种数字滤波器设计方法具有较小的定量冲击，快速计算速度和可配置参数的优点，在一定程度上弥补了在线补偿系统的缺陷。

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