frequency drift
英 [ˈfriːkwənsi drɪft]
美 [ˈfriːkwənsi drɪft]
频率漂移
双语例句
- Methods of Frequency Stability Analysis and the Influence of the Frequency Drift
原子钟频率稳定度分析方法及频率漂移影响分析 - The results indicate that non-detection zone of active frequency drift with feedback method is obviously less than non-detection zone of active frequency drift with fixed disturbance method.
结果表明，带反馈的主动移频式孤岛检测的检测盲区明显小于固定扰动的主动移频式孤岛检测的检测盲区。 - A novel Active Frequency Drift Islanding Detection Method
一种新颖的主动移频式孤岛检测方法 - Analysis of Doppler frequency drift for measurement of Fisheries underwater acoustics
对渔业水声测量中多普勒频移的分析 - According to joining the different disturbance, this method can be divided into active frequency drift with fixed disturbance method and active frequency drift with feedback method.
该方法根据加入扰动的不同，可以分为固定扰动的主动移频式孤岛检测方法和带反馈的主动移频式孤岛检测方法。 - The clock offset and frequency drift rate for sensor nodes are estimated and then compensated by using the time-stamp recorded in two adjacent synchronizations.
该算法利用连续两次同步过程中所记录的时间信息来估算节点时钟的偏移和频率漂移率，并进行补偿。 - To reveal the stability of the phase-locked state in the array, the influence of the frequency drift on the phase dynamics of the two-coupled-laser array is researched.
为了探究该阵列锁相状态的稳定性，分析了频率漂移对两路激光器阵列相位锁定状态的影响。 - This paper proposed a novel active frequency drift with feedback based on single-phase single stage PV grid-connected generation system for the complexity of the control in traditional method.
基于单相单级光伏并网发电系统，针对传统主动式频率偏移法控制的复杂性，采用了一种新颖的带反馈的主动式频率偏移法。 - An Interpretation of Rapid Frequency Drift and Polarization Sense Reversals by Radio Wave Propagation in the Solar Corona
太阳射电快速频漂和偏振逆转波的传播解释 - The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
目前脉冲星普查的有限探测灵敏度和大的频率漂移，使我们难以观测到更遥远的脉冲星。 - For testing daily frequency drift of rubidium frequency standard, this paper used the method of time difference, designed daily frequency drift measuring equipment for rubidium frequency standard.
针对铷频标日频率漂移率的指标测试要求，文中采用时差法，设计了铷频标日频率漂移率测量装置。 - It is demonstrated that the frequency drift will break up the phase-locked state of the laser array and induce the spatial instability of the far-field intensity due to phase noise.
通过对耦合激光器阵列动力学方程的数值研究发现，频率漂移将破坏激光器阵列的锁相状态，并引入相位噪声，导致输出远场光强分布不稳定； - To realize low frequency drift in oscillator circuits, constant temperature controlled circuit for temperature compensation is adopted.
采用附加恒温电路对振荡器进行温度补偿，进而实现了低温漂。 - The length of laser resonate cavity was changed by high voltage amplifier to compensate frequency drift so that to obtain closed-loop system.
通过高压放大器调整激光谐振腔长度，使得频率漂移得到补偿，系统实现闭环控制； - This approach the problem of conquers phase excursion and frequency drift that anciently adopts fixed frequency filter and its frame is simple.
这种方法克服了以往采用固定频率滤波器带来的相移和频率漂移问题，而且结构简单。 - Preliminary research on natural frequency drift in satellite vibration test
卫星振动试验中固有频率漂移现象初步研究 - Doppler frequency drift and timing error were considered in state transform equations.
状态方程综合考虑了多普勒频移、定时误差。 - The operational principles of photovoltaic generation system and the islanding of grid-connected generation system were analyzed, and the active identification method of islanding: active frequency drift method was proposed.
分析了光伏并网发电系统的工作原理及其孤岛效应现象，提出了主动式孤岛效应识别方法：主动频率偏移法。 - The phase detecting error caused by local oscillator frequency drift and non-synchronization of measurement signal and gate signal is eliminated and the measurement speed is improved at the same time.
该方法可以有效的消除因本振信号频率漂移及闸门信号与被测信号的非同步引起的测相误差，同时提高了测量速度。 - A method was developed to detect the magnetic field signal and the laser frequency drift with the same photodetectors and preamplifiers in a ring laser system for magnetic field measurement. A digital steady-state error-free frequency stabilizer used in the system is described in detail.
本文介绍了在环形激光测磁系统中使用共同的光电检测器和预放器检测磁场信号和激光频率漂移的方法，详细介绍了系统中所用的无静差数字式稳频器。 - Considering the fact, an experiment is made on the testing error caused by distance error and frequency drift.
考虑到实际应用，对距离标定误差和频率漂移引起的测试误差进行了实验研究。 - The results of the experiment about the frequency drift and force-frequency characteristic are also given.
给出了该传感器的频漂实验和力-频特性实验结果。 - Influence of carrier frequency drift of optical-acoustic sensor on the digital PGC demodulation
光纤传声器中载频漂移对数字PGC解调的影响 - Analyze the frequency shift of the oscillator which caused by the circuit elements or the transistor parameters and the relationship between the parameter and the frequency drift.
分析石英振荡器因电路元件或晶体管参量变化所引起的频率变化，就参量变化与频率漂移彼此之间的关系作了计算。 - The interference demodulation method is used, and the light source is designed which is depended on the requirements of interferometer demodulation instrument. The performance of fiber ring laser is researched from stability, side-mode suppression ratio, line-width and frequency drift.
采用了干涉解调的方法，并且从干涉解调仪对光源的要求，如稳定性，边模抑制比，线宽，频率漂移四个方面分析了光纤环形激光器的性能。 - By analyzing the thermal effect to amplifier, we build the frequency drift model.
并分析温度、湿度等外界环境变化对放大器电路非线性变化的影响，建立60GHz系统频率漂移的物理模型。 - Finally, take active frequency drift method of islanding detection of grid-connected inverter has been studied, and achieved very good results.
最后用主动频移法对并网逆变器的孤岛检测进行了研究，并取得了非常好的效果。 - From a statistical view, it studied the frequency drift which is the primary source of synchronization error, and gave the clock synchronization model of the system.
论文从统计的角度，对同步误差的主要来源：频率漂移进行了的研究，并给出了系统的时钟同步模型。 - Synchronization accuracy, synchronization maintaining and frequency drift estimate was investigated based on the merits and disadvantage of different schemes.
在总结前面方案的优点和不足基础上，对同步精度，同步保持问题以及频率漂移估计技术进行研究。 - Dielectric Resonator Oscillator ( DRO) can meet this requirement and the DRO also has the minimal frequency drift over temperature to keep the receiver locked into the selected channel and provide enough output power to directly drive the mixer.
介质振荡器（DielectricResonatorOscillator，DRO）毙够满足这一要求，同时DRO还具有温度的变化会引起最小的频率漂移来保证接收机被锁定在目的信道和提供高的输出功率来直接驱动混频器工作。