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Optimization of fourth order noise transfer function using PSO algorithm for delta sigma modulator
DOI:10.1016/j.vlsi.2025.102539.png)
摘要
En 中文
Delta Sigma Modulator (Delta Sigma M)具有内置的噪声整形特性,该特性由噪声传递函数(NTF)定义。NTF的优化直接提升了Delta Sigma M的噪声整形特性和整体性能。所提出的方法采用PSO算法优化NTF。通过利用其强大的全局优化能力,PSO算法能够高效地探索设计空间,收敛至产生62.7244 dB信号量化噪声比(SQNR)的最优NTF。此外,采用所提出NTF合成的级联带通滤波器(CRFF)Delta Sigma M实现了峰峰值信噪比(SNRp2p)/峰值信噪比(Peak SNR)/平均信噪比(Peak SNR)为92.5 dB/82.9594 dB/82.1 dB,同时降低了计算复杂度。与现有方法相比,所提出的方法在多种过采样比(OSR)值下实现了更高的SQNR x 过载电平。
Keyword:
Analog to digital converter
Particle swarm optimization algorithm
Delta sigma modulator-synthesis
Noise transfer function
Linear model
Signal to quantization noise ratio
期刊
I
IF:
2.5
论文数:
43
被引数:
1.9K
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引用论文
A Comprehensive Review on OFDM, 5G and Various PAPR Minimization Techniques based on Machine Learning5G以及基于机器学习的各种PAPR最小化技术
Wideband 1-Bit Bandpass Delta Sigma Modulator Using Elliptic Filter in Noise Transfer Function在噪声传递函数中使用椭圆滤波器的宽带1位带通Delta Sigma调制器
IEEE ACCESS
IF3.6
A. M. Salman, H. I. Wahhab, A. B. Alnajjar, B. Al-Attar, R. Sekhar, N. Itankar, https://mesopotamian.press/journals/index.php/ADSA/article/view/781Revolutionizing wireless sensor networks through an effective approach for quality of service enhancement, Applied Data Science and Analysis 2025 (2025) 144–154. doi:10.58496/ADSA/2025/012. https://mesopotamian.press/journals/index.php/ADSA/article/view/781A. M. Salman,H. I. Wahhab,A. B. Alnajjar,B. Al-Attar,R. Sekhar,N. Itankar,通过有效方法革新无线传感器网络服务质量提升,应用数据科学与分析 2025(2025)144–154。doi:10.58496/ADSA/2025/012。
Noise transfer function design for delta-sigma modulators using the Gegenbauer polynomial
SIGNAL PROCESSING
IF3.6

