A method for phases - and frequency comparison with the use of a circuit with two extend the same directional

• 1. 相位比较电路及使用该相位比较电路的PLL频率合成器 [P] . 中国专利： CN101371439A . 2009-02-18
• 2. 一种利用多相位信号提高频率比较器精度的方法和电路 [P] . 中国专利： CN102468830B . 2016.01.20
• 3. A method for phases - and frequency comparison with the use of a circuit with two extend the same directional [P] . 德国专利： DE1291774B . 1969-04-03

  机译： 一种相位和频率比较的方法，使用两个电路扩展相同方向

• 4. A method for phases - and frequency comparison with the use of a circuit with two extend the same directional [P] . 德国专利： DE1299693B . 1969-07-24

  机译： 一种相位和频率比较的方法，使用两个电路扩展相同方向

• 5. A method for phases - and frequency comparison with the use of a circuit with two extend the same directional [P] . 德国专利： DE1283876B . 1968-11-28

  机译： 一种相位和频率比较的方法，使用两个电路扩展相同方向

• 1. Real-Time Method for Detecting Harmonic and Reactive Currents of Single-Phase Circuits [J] . Zhang Xiufeng, Ding Juxia 现代交通学报（英文版） . 2006,第002期
• 2. Solving single-frequency phase ambiguity using parameter weights fitting and constrained equation ambiguity resolution methods [J] . 中南大学学报（英文版） . 2006,第001期
• 3. Methods for the automated selection of test frequencies for fault diagnosis in analog electronic circuits: a comparison [C] . C. Alippi, M. Catelani, A. Fort, IEEE Instrumentation and Measurement Technology Conference . 2003
• 4. CMOS auto-ranging phase -locked loop integrated circuits for frequency synthesizers and clock recovery circuits [D] . Chang, Yi-Cheng 2000
• 5. Quantitative comparison of wideband low-latency phase-locked loop circuit designs for high-speed frequency modulation atomic force microscopy [O] . Kazuki Miyata, Takeshi Fukuma 2018
• 6. Wiggly phase shifters and directional couplers for radio frequency hybrid microcircuit applications [O] . J.L. Taylor, D.D. Prigel 1976

• 1. Vector Control of the Single-Phase Inverter Based on the Extended and Virtual Circuits [J] . Tao Xu ,Ming Yang ,Naizhe Diao . 中国电工技术学会电机与系统学报(英文) . 2018,第3期
• 2. Comparison of delay compensation methods for real-time hybrid simulation using frequency-domain evaluation index [J] . Xu Weijie ,Guo Tong ,Chen Cheng . 地震工程与工程振动：英文版 . 2016,第1期
• 3. Performance Analysis and Comparison of Two Fault-Tolerant Model Predictive Control Methods for Five-Phase PMSM Drives [J] . Wentao Huang ,Wei Hua ,Qigao Fan . 中国电工技术学会电机与系统学报(英文) . 2021,第4期
• 4. 一种高精度频率、相位估计方法 [C] . 周述勇 . 2007计量与测试学术交流会（ICMM 2007） . 2007
• 5. 用于方向回溯天线的相位共轭电路研究 [A] . 陈鹏烽 . 2019