phase jitter
英
美
网络 相位抖动; 相位抖動; 相位颤动; 相位颤抖
双语例句
- Improvement of Cupo's phase jitter compensation method based on LMS algorithm
基于LMS算法改进Cupo相位抖动补偿方法 - Phase jitter occurs when frequency synthesizer changes its frequency in frequency-hopped communications, which severely affects the performance of frequency hopped OFDM ( FH-OFDM) systems.
跳频系统中频率合成器的输出信号在频率切换时会产生相位抖动，对跳频OFDM（FH-OFDM）系统的性能造成很大的影响。 - The SSB phase noise and timing jitter are further analyzed in this experiment.
在这实验，相位杂讯和时序抖动被进一步做分析。 - The phase jitter of output signal of the PLL ( phase locked loop) frequency doubler is analyzed.
定量分析了数字式锁相倍频器输出信号的相位抖动。 - The clock used should be free from significant phase or frequency jitter.
应用的时钟应没有重大的周期或频率的跳动。 - Phase Jitter: refers to the deviation of the FBKCLK rising edge to the REFCLK rising edge with respect to the average offset in a random sample of cycles.
相位抖动：指的是反馈时钟和参考时钟之间上升沿差异与多次随机采样的平均偏移之间的差。 - The effects of the sliding-frequency guiding filters on reducing soliton phase jitter were theoretically studied by perturbation theory.
采用微扰法，分析了滑频滤波器抑制孤子相位抖动。 - Adaptive Cancellation of Phase Jitter in High-Performance Data Communication Systems
高速数传中相位抖动的自适应对消 - Phase jitter and restraint method for phase locked loop frequency doubler
锁相倍频器的相位抖动及其抑制措施 - The simulation experiments under MAX+ PLUS II show that the DPLL is characteristic of small phase error, small jitter and high reliability.
在MAX+PLUSⅡ环境下的仿真试验表明，该锁相环锁相误差小、抖动小、可靠性高； - The paper analyzes the interference rejection of Quadrature amplitude modulation signals in the presence of carrier phase jitter, sinusoidal interference and white Gaussian noise.
文章分析了存在载波相位起伏、正弦干扰、高斯白噪声时正交调幅数字系统的抗扰性。 - The approach has the advantages of fast data recovery, small phase jitter and simple circuit structure. It is noticeable to improve efficiency of the burst communication system.
该方法具有电路结构简单、数据恢复快、相位抖动小的优点，对提高突发通信系统的效率有显著作用。 - This paper describes in detail the method to analyze the Phase jitter in the four-level PWM fibre optic communication systems.
本文详细介绍了四进制PWM光纤通信系统相位抖动的分析方法。 - Measurment of Phase Jitter for Digital Signal
数字信号抖动的测量 - The phase error sources resulting in jitter of range acquisition signals has been analyzed.
对引起本测距系统相位抖动的误差源进行分析。 - Research of phase jitter in four-level PWM fibre optic communication systems
四进制PWM光纤通信系统相位抖动的研究 - In this paper the basic physical process, mathematical statistics, the effects of finite register length and trigger phase jitter, and the basic performance evaluation in digital averaging estimation processing techniques are discussed in detail for the application in the optical time-domain reflective measurements.
本文讨论了均值估计数字处理技术在光时域反射测量应用中的基本物理过程、数理统计原理、计算机有限字长和触发脉冲存在相位颤动的效应以及基本性能的评价。 - Firstly, in this paper, we use perturbation theory and find that the soliton phase jitter increases as the propagation distance cube in the absence of control. The results show it essential to use the filters and reduce the phase jitter.
文中第一部分利用微扰理论发现在无任何控制措施的情况下，孤子位相抖动与传输距离成立方关系，显示了使用滤波器控制位相抖动的必要性； - If the mark rate of information code is not 1/ 2, the line spectrum will appear. Although the phase jitter will occur due to line spectrum, the bit error multiplication will not come out.
当信息码佳号率不为1/2时会出现线状谱，它是产生相位抖动的原因，但它没有误码增殖。 - Adaptive equalization technique under phase jitter
相位抖动下的自适应均衡技术 - The paper overcomes the signal integration problem in multi-clock design, greatly lowers the phase jitter without area increase, introduces PLL to adjust rate for the first time, and parameterizes the module.
克服了多时钟设计中的信号完整性难题，在没有增加模块面积的条件下，大幅降低数据的相位摘要抖动，首次引入锁相环来调整速率。 - The results show that the soliton phase jitter induced by spontaneous emission noise of amplifier increases only linearly as the propagation distance cube in the absence of control when the sliding-frequency guiding filters are used;
结果表明，在加入滑频滤波作用后，主要由放大器自发辐射噪声（ASE）所导致的孤子相位抖动，从无任何控制措施时的随距离立方增长变为随距离线性地变化； - Phase-average network is a type of network which can carry out phase average for several pulses having phase jitter and achieves a kind of special paise signal.
相位平均网络是一种能把多个有相位抖动的脉冲进行相位平均，得到一种特殊脉冲信号的网络。 - Besides, phase noise and jitter related to the phase-locked loop frequency synthesizer has been analyzed and the noise reduction methods have been given in this paper.
另外本文对于锁相环频率合成器相关的相位噪声和抖动进行了分析并给出了降噪处理方式。 - It is necessary in digital communication system that carrier recovery can compensate frequency offset and phase jitter brought by transmission and modulation.
载波恢复是数字通信系统中一个必不可少的单元，它补偿了信号在信道传输和解调过程中所造成的频偏损害并且相位抖动。 - Compared to Phase lock loop, it has low jitter accumulation with the Voltage controlled delay line, so it has inimitable superiority in system stability, gain and bandwidth. For this reason, it is widely used.
和传统的锁相环相比，延迟锁相环内采用了压控延迟线，其时钟抖动更低，在系统稳定性、增益、带宽方面具有无可比拟的优势，因而具有更广泛的应用前景。 - The phase distortion of RF FH-OFDM system is made up of phase jitter and spurs. We build the corresponding statistical model for them and analyze the impact one system performance. The unified Bit Error Rate ( BER) expression is made for MPSK modulation systems.
FH-OFDM系统中的相位畸变的来源由相位抖动和杂散信号组成，确立了与之对应的统计模型，分析了相位畸变对系统性能的影响，得到了MPSK调制方式下统一的误码率表达式。 - As to the method based on oscillator, the resistor thermal noise is effectively added to improve phase jitter, and a bandgap reference is introduced that improves the system robustness.
在基于振荡器的方法中，有效地增加了电阻热噪声以提高相位抖动，并引入了带隙基准，提高了系统的鲁棒系。 - Some important sources are studied in this dissertation. The error due to oscillator instability is analyzed. The result shows that there is the optimum loop bandwidth to minimize loop phase jitter, and it should be dynamically configurated according to the signal-to-noise ratio ( SNR) condition.
对由于频率基准源不稳引起的误差进行了分析，结果表明存在使环路跟踪性能最佳的带宽点，并且最佳带宽需要根据信噪比条件动态设置。