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- Abstract: This paper describes a clock and data recovery(CDR)circuit for RFID tag, and a new phase frequency detector(PFD) is proposed for this CDR circuit for NRZ data. 文章摘要: 提出了一种适用于射频电子标签的时钟数据恢复电路,在电路中提出了一种适用于NRZ数据的新型鉴频鉴相器电路和自适应控制单元,能动态调节边沿检测器中延迟单元的延迟时间,使此时钟数据恢复电路具有大的锁定范围,且有结构简单易实现的特点。
- This thesis proposes a new digital controlled oscillator (DCO) and a new phase frequency detector (PFD) architecture for the all digital phase-locked loop (ADPLL) with low power design. 本论文提出一个新的数位控制频率振荡器及一个新的相位频率侦测器之架构以设计一个低功率的全数位式锁相迴路。
- dual-slope phase frequency detector 双斜鉴频鉴相器
- A Novel Phase Frequency Detector of High Performance 一种新型的高性能鉴频鉴相器
- A Phase Frequency Detector without Dead Zone for High Speed PLL 一种用于高速锁相环的零死区鉴频鉴相器
- PFD A DIFFERENTIAL-TYPE PHASE FREQUENCY DETECTOR BASED ON SCL STRUCTURE 一种基于SCL结构的差分型
- Design of Phase Frequency Detector With Low-Jitter, Wide-Range, High-Frequency 低相位噪声、宽带宽、高频率数字鉴频鉴相器设计
- phase frequency detectors 鉴频鉴相器
- phase frequency detector (PFD) 鉴频鉴相器
- phase frequency detector 鉴频鉴相器
- Edge-trigger phase and frequency detector 边缘触发相位及频率检测器
- The Continuous Phase Frequency Shift Keying(CPFSK) signaling scheme has been widely used in mobile applications. 连续相位频移键控(CPFSK)信号广泛应用于便携式移动通信系统。
- In this paper, a simple method of plotting logarithmic phase frequency response curve for open-loop systems is advanced. 文章给出了绘制开环系统对数相频特性曲线的简便方法。
- Quantization noise analysis of linear phase frequency sampling FIR filters was discussed, and computation formula for measuring quantization noise was described in this paper. 主要分析了线性相位频率采样FIR滤波器中的量化噪声,并给出计算公式。
- A low-cost, highly-accurate GPS carrier phase frequency syntonization system (GPS carrier phase-disciplined oscillator, GPSCDO) based on a single-frequency receiver is presented. 摘要:本论文介绍利用单频接收机及GPS载波相位观测量所组成一低成本且高精度的频率同步系统(GPS载波相位训练振荡器)。
- A Low-Complexity Digital Frequency Detector 一种低复杂度的数字鉴频器
- Phase frequency skip of atomic clock is one of an important factor to restrict accuracy and stability of standard time signal, so its analysis and detection is very important in time keeping work. 原子钟相频跳变是制约标准时间信号准确度和稳定度的关键因素之一,它的分析和检测在守时系统自动化监控中非常重要。
- The child is going through a difficult phase. 那孩子正经历困难的阶段。
- Studies on the simple frequency detector of ultrasonic transducer 简易超声波换能器频率测试仪的研究
- The two sets of traffic lights were out of phase. 那两组交通灯不同步。