frequency jitter
英
美
网络 频率抖动技术; 抖频; 频率抖动; 频率跳动
双语例句
- The high frequency jitter resulting from high speed rotor of actuators in its rotating process has a serious effect on the attitude control accuracy and stability.
执行机构的高速转子在旋转过程中所造成的高频抖动，将对卫星的姿态控制精度和稳定度造成一定的影响。 - The result shows that the third-order dispersion ( TOD) and Raman scattering affect the location and frequency of solitons respectively and dominate the timing jitter of ultrashort solitons.
结果发现三阶色散和拉曼散射分别影响了孤子的位置和频率，是决定时间抖动大小的重要因素。 - 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。 - The effect of EMI has been reduced through frequency jitter.
通过频率抖动，降低了开关电源的电磁干扰影响。 - When the ATP system is setup on a moving bed, movement and angular jitter of the bed will cause system line-of-sight high frequency jitter.
当捕获、跟踪与瞄准系统安装于运动平台上时，运动平台的运动及抖动将导致系统视轴存在高频的抖动。 - Phase-Locked Loops ( PLL) is a fundamental and very important building block in analog and mixed-signal integrated circuits. Phase-locked system can track the input signal phase and frequency, output phase-locked and low jitter other frequency signals.
锁相环是模拟及数模混合电路中的基本并非常重要的一个模块，是一个能够跟踪输入信号相位和频率，并输出锁定相位、低抖动的其它频率信号的系统。 - In theory, although the IF signal and baseband signal with the same bandwidth can be sampled using the same frequency, sampling an IF signal is effected by jitter more badly, and its sampling techniques are more difficult.
理论上，尽管相同带宽的中频信号和基带信号可以用相同的频率进行采样，但中频采样受孔径抖动等因素的影响更大，其采样技术要求也更高。 - The results show that only fundamental dark soliton has a frequency jitter half that of bright soliton, and small-amplitude dark soliton has a frequency jitter stronger than that of bright soliton.
结果表明，只有基本暗孤子的频率抖动量（均方值）是亮孤子的一半，而其它小振幅暗孤子的频率抖动量大于亮孤子的频率抖动量。 - The soliton transmission control techniques in time and frequency domains ( synchronous amplitude modulation and sliding frequency filter) are applied into transmission lines periodically to remove the dispersive waves and suppress timing jitter caused by random birefringence.
证明了在传输线路中周期性地采用时域或频域上的孤子传输控制手段（同步振幅调制与滑频滤波器）可实现去除由随机双折射引起的色散波与时间抖动。 - It is demonstrated that for the laser system with smaller timing jitter, frequency domain measurement is the major method, whereas for the system with larger timing jitter, frequency domain measurement is not suitable.
对时序紊乱度较大的激光器系统的测量，频域法不再适合，而使用同步扫描相机的时域法具有更加精确的优点。 - It proposes a better voltage-controlled ring oscillator, which has following advantages: high linear VCO gain, high maxim output frequency, high power-supply rejection ratio, low noise, low output signal jitter, easy integrated etc.
给出了一种较好的压控环形振荡器电路结构，具有增益线性度好、输出频率高、电源电压抑制比高、低噪声、输出信号低抖动、易于集成等特点。 - Some principal error sources of delay between channels are discussed, including the signal frequency errors, the harmonic distortion of sampling serials, the noise and the spurious distortion, the jitter of the signal periods in sampling serials, the calculation errors of software and some others.
讨论了几个主要的不确定度来源，包括信号源误差、采集序列的谐波失真、噪声及非谐波失真、抖动、软件拟合运算误差等。 - Research on Switching Frequency Jitter to the EMI Suppression of DC/ DC Convert
开关频率抖动控制对DC/DC变换器EMI抑制研究 - Comparative Investigation of Randomized Modulation and Frequency Jitter in Restraining Conduct EMI
随机调制技术与频率抖动技术抑制传导EMI的比较 - For the characteristic of low frequency movement of the target and high frequency system line-of-sight jitter, basic theory of compound axes line-of-sight stabilization system with line-of-sight pointing reference unit ( LOSPRU) is analyzed.
依据目标低频运动和仪器视轴高频抖动的特点，分析了使用视轴瞄准参考器的复合轴视轴稳定系统的基本原理。 - The random frequency agility and the random jitter of PRI may ensure the radar with strong abilities of anti-reconnaissance and anti-jamming.
随机频率捷变和脉冲重复周期随机抖动可以使雷达具有较强的抗侦察、抗干扰能力。 - Transporting PDH services in SDH networks will suffer the impairment of low frequency jitter and wander.
SDH传输网对常规的PDH业务将引入低频抖动。 - Randomized modulation and frequency jitter are two ways to reduce conducted EMI in power electronic system.
随机调制技术和频率抖动技术两种方法都能解决常规PWM型电力电子系统产生的电磁干扰问题。 - The most important module in the phase-locked loop is the voltage controlled oscillator. The voltage-current converter module and the current frequency conversion module are designed and analyzed, its impact on the PLL jitter is taken into account.
对锁相环中最为重要的压控振荡器，分别分析和设计电压电流转换模块和电流频率转换模块，考虑了其对锁相环抖动的影响。 - The results show that the voices which are synthesized by the new synthesis system are more natural and smooth. Therefore, the research on fundamental frequency jitter is of great significance in the field of speech processing.
对比结果显示考虑基频抖动因素所合成的情感语音更加自然流畅，因此，说明了基频抖动参数在语音处理领域具有一定的研究意义。 - The diversity of applications has also led to require diversity in operating frequencies of PLL. As the increasing of system frequency, the system performance is much more sensitive to the jitter of the clock.
应用的多样性要求PLL能够提供不同的输出频率，随着时钟频率的不断提升，系统对于锁相环的抖动性能越来越敏感。 - Frequency jitter can disperse the EMI energy in a small range of the frequency to decrease the EMI peak value and improve the EMI performance.
抖频技术能将EMI能量分散至一小段频率范围内，从而减小峰值，改善EMI性能。 - Meanwhile, the controller introduces frequency jitter technique to reduce the EMI and slope compensation to make the open loop stable.
同时，控制器电路采用频率抖动技术来减小EMI和斜坡补偿来稳定开环。 - A range of issues affect its applications in optical fiber communication, such as, the low utilization of frequency band, strong Gordon-Haus timing jitter, interactions between solitons and the channels.
但是由于光孤子本身存在通信频带使用率低，Gordon-Haus时间抖动，孤子间的相互作用和信道间的相互作用等一系列问题，影响了它在光纤通信中的应用。 - The nonlinearity of phase interpolator will directly affects the dynamic characteristic of CDR, even leads to error. While a frequency difference exists between the input data and the local clock, it also affects the jitter tolerance of CDR.
相位插值器的非线性会直接影响时钟数据恢复电路的动态特性，当输入数据与本地时钟存在频率差时，还会影响它的抖动容限。 - As the clock frequency increasing, digital systems have strict requirements for clock signals 'jitter performance.
随着时钟频率的增加，数字系统对时钟信号的抖动性能提出了更严格的要求。 - 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。 - Finally, some of the sub circuits witch the author designed are analyzed. Including noises of power supply insulation, states latch circuit, oscillator with frequency jitter and current limiter.
最后，分析和介绍了芯片中的部分子电路，包括：电源噪声隔离电路、基准电压源启动前的状态锁定电路、带频率抖动的振荡器和限流电路。 - In the part of OSC, the CMOS chip prevents EMI by using frequency jitter technique.
在振荡器电路中，运用频率抖动技术，使芯片防止电磁干扰（EMI）。 - A novel frequency jitter with digital control is proposed. The switching noise was restrained effectively for the novel structure.
文中提出了一种新型的抖频电路实现方法，采用数字控制方式，通过电路结构的改进，有效抑制了开关切换噪声。