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Design and Application of Amplitude-Locked Loop Separation System Based on SignalWAVe

机译:基于SignalWAVe的锁相环分离系统的设计与应用

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摘要

In this paper, we adopt concepts from the SignalWAVe development platform for the multi-speech signal separation system of a frequency modulation system. The signal separation system is formed using a phase-locked loop in combination with an amplitude-locked loop (ALL) and is modeled using a digital finite-impulse response (FIR) filtering algorithm. Therein, the objective is to improve the signal distortion of co-channel interferences and additive white Gaussian noise (AWGN). In comparison to a traditional separation system, the ALL is achieved in the monitored system and in signal interception applications with a characteristic analysis based on the power spectrum density. The field programmable gate array (FPGA) design platform has the advantages of flow simplicity, easy reconfiguration, and high compatibility for verification. The design system is operated in real time and is implemented in the system model using various chip designs. The FPGA is implemented system as a system on a chip for high efficiency. According to the simulated performances under an applied AWGN channel, the ALL system in combination with a digital FIR filter achieves prefect performance. The SignalWAVe verification system was also implemented on the chip by building, verifying programs, and implemented communication functions for practical application in the industry.
机译:在本文中,我们将SignalWAVe开发平台的概念用于调频系统的多语音信号分离系统。信号分离系统是使用锁相环结合幅度锁相环(ALL)形成的,并使用数字有限冲激响应(FIR)滤波算法进行建模。其中,目标是改善同频干扰和加性高斯白噪声(AWGN)的信号失真。与传统的分离系统相比,ALL可以在被监测系统和信号拦截应用中通过基于功率谱密度的特征分析来实现。现场可编程门阵列(FPGA)设计平台具有流程简单,易于重新配置以及验证兼容性高的优点。设计系统是实时运行的,并使用各种芯片设计在系统模型中实现。 FPGA是作为芯片上的系统实现的,具有很高的效率。根据在所应用的AWGN信道下的模拟性能,ALL系统与数字FIR滤波器相结合可实现完美的性能。 SignalWAVe验证系统还通过构建,验证程序和实现通信功能的方式在芯片上实现,以供行业实际应用。

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