加权门积分组微弱信号相关检测电路设计

Design of Weighted Gated-Integrators Correlation Detector For Collecting Weak Signal

相关器、同步积分和门积分等电路在微弱信号检测的应用与研究已经比较成熟,而文中针对具体情况提出加权门积分组电路,可以进一步改善性能。介绍该电路使用背景,分析它的性能特点。表明它能克服的谐波干扰,减小等效噪声带宽。其实现也较为简单,容易达到精度和速度要求,是一个很好相关检测的选择方案。

The study and application about correlator, synchronous integrators and gate - integrator in collecting weak signal is relatively mature now. According to some special situation, In this paper a design of weighted gated - integrators is given. Furthermore, In this paper its application background and analyzes its functions are introduced. In conclusion, it is a good selection scheme about correlation detection for the weighted gated - integrators reducing harmonic interference level and equivalent noise bandwidth and improving the system performance.