四频激光陀螺抗强磁场干扰数字电路优化设计

Optimal design of digital circuit for four-frequency laser gyro to resist strong magnetic field interference

以往对数字电路优化中为了保证在强磁场干扰下的正常运作,采用的编码方式将门电路综合在一起,使得数字电路不能较好地适应四频陀螺的状态切换,其适应性需要进一步提高。为此,提出四频激光陀螺抗强磁场干扰数字电路优化设计。针对影响数字电路动态功耗的各个因素,设计低功耗数字电路,使用矩阵编码法将门电路分级,通过对电路中可编程逻辑器件的编码,实现电路功能,基于可编程逻辑门阵列从物理层面上完成数字电路优化设计。实验结果表明:与以往使用的优化方法相比,提出的数字电路优化设计电路复杂度低且功耗较少,说明提出的优化方法适应性更好,适合应用在实际项目中。

In the past,in the optimization of digital circuits,in order to ensure the normal operation under the in-terference of strong magnetic fields,the coding method used was to integrate the gate circuits together,making the dig-ital circuits unable to adapt well to the state switching of the four-frequency gyro.According to the various factors that affect the dynamic power consumption of digital circuits,design low-power digital circuits,use matrix coding to classi-fy gate circuits,and encode the programmable logic devices in the circuit to achieve circuit functions.Based on the physical level of programmable logic gate arrays Complete the digital circuit optimization design.The experimental re-sults show that compared with the optimization methods used in the past,the proposed digital circuit optimization de-sign has lower circuit complexity and less power consumption,indicating that the proposed optimization method has better adaptability and is suitable for application in actual projects.