frequency deviation
英 [ˈfriːkwənsi ˌdiːviˈeɪʃn]
美 [ˈfriːkwənsi ˌdiːviˈeɪʃn]
网络 频率偏差; 频偏; 频率偏移; 频率离差; 频移
双语例句
- These variables are carrier frequency off-set value, pre-emphasis factor, weighting factor, video spectral distribution and nominal peak to peak frequency deviation.
这些变量是载频差、预加重因子、权因子、频频谱分布以及标称峰-峰频偏。 - Error analysis of the conventional effective value measurement is carried out and the relation of measurement error with frequency deviation and initial time is derived.
以正弦交流电为例导出了测量误差与相对频偏及采样初始时刻的关系式，提出了一种可显著提高交流电有效值测量精度的改进方法。 - A set of two element tables is proposed to describe transient frequency deviation acceptability for individual bus or generator, and the relevant margin is defined in this paper.
指出暂态安全性分析中应该考虑暂态频率偏移可接受性，提出用一组二元表来描述暂态频率偏移可接受性，给出定量评估暂态频率偏移可接受性的裕度指标。 - So the best approximation algorithm in this domain, which can draw the mini-max solution of the frequency deviation, is introduced in this paper.
为此，在频率控制领域首次引入了最佳逼近算法，它能给出频率偏差的最小-最大解。 - A mismatch in real power results in a frequency deviation. Non-Detection Zone of Slip-Mode Frequency Shift Method
有功的不平衡将会引起频率的偏移。滑模频率偏移法的孤岛检测盲区分析 - An improved pitch control scheme is presented by introducing a frequency deviation signal into the control system.
提出了一种改进的桨距角控制方案&将系统频率偏差信号引入桨距角控制系统。 - The Study of the Deviation of Nominal Exchange Rate from Equilibrium Exchange Rate of RMB A mismatch in real power results in a frequency deviation.
人民币名义汇率与均衡汇率偏离研究有功的不平衡将会引起频率的偏移。 - Research on Frequency Deviation Estimation Algorithm Based on FFT
基于FFT的多普勒频偏估计算法研究 - △ W is the radian frequency deviation from the center frequency. Gene frequency The proportion of an allele in a population in relation to other alleles of the same gene.
△W是角频率与中心频率的偏离值。基因频率：指某一特殊类型的等位基因在群体中所有等位基因总数中所占的比率。 - A developed linear VCXO with wide frequency deviation has acquired better results.
研制的宽频偏线性压控晶体振荡器取得了较好的结果。 - Thus the vibratory characteristics of the gyroscope is simulated with the finite element method of coupled field. The optimum exciting frequency and the factors which influence the gyroscope sensitivity are determined. The method for adjusting the frequency deviation between driving and detecting modes is also proposed.
利用耦合场有限元对石英音叉陀螺的振动特性进行了仿真，确定了最佳激励信号频率和影响陀螺灵敏度的因素，并且给出了调节驱动模态与检测模态的频率差值的方法。 - Frequency deviation of atomic clock determined and calibrated by GPS time transfer with high precision
高精度GPS时间传递测定和校准原子钟频率偏差 - Amplitude deviation, frequency deviation and phase deviation are basic power quality disturbances.
电力系统基波幅值、相位、频率扰动是最基本的电能质量扰动。 - The influence of power system frequency deviation on Fourier algorithm
电力系统频率偏移对傅里叶算法的影响 - The influence of initial frequency deviation for frequency switching time in PLL synthesizers is analysed in this paper.
本文分析在鉴定锁相合成器频率转换时间指标时存在的初始频差的确定问题。 - This paper introduces a method for dynamically measuring the LFM CW radar signals by processing the beat signals, which can be applied to measure the sweep linearity, sweep slope, sweep bandwidth and instantaneous frequency deviation.
本文提出了一种利用点目标差拍信号对线性调频连续波雷达的发射信号进行动态测试的方法，可以实现扫频线性度、扫频斜率、扫频带宽以及瞬时频率偏离的动态测试。 - The algorithm features the large estimation range for carrier frequency deviation and high estimation accuracy.
该算法具有频偏估计范围大、估值准确度高的特点。 - A PN_sequence superimposed on the OFDM signal is used to estimate the timing and frequency deviation.
该算法利用线性叠加在OFDM符号上的PN序列估计定时和频率偏移。 - The patented technology of the circuit in frequency deviation transducer is introduced.
介绍了频偏式传感器电路的专利技术。 - With regard to the accuracy affection during fundamental component calculation caused by aperiodic component, frequency deviation and fractional harmonic in signal, the paper analyzes and compares three filter algorithms of Fourier algorithm, differential filter algorithm and shunt compensation algorithm.
针对信号中非周期分量，频率偏移，分数次谐波对基波分量计算精度的影响，对傅里叶、差分滤波和并联补偿3种滤波算法进行了分析比较。 - However we want to get the least absolute value of frequency deviation not the least square sum of it.
但是实际需要的是使频率偏差的绝对值最小而不是频率偏差的平方和最小。 - Factors affecting the frequency deviation in REACTANCE-TUBE frequency modulation circuits
电抗管调频电路中影响频偏之因素 - Using this method, the time error, frequency deviation and aging is simulated. Mean while, the Allan variance after controlling is compared with Allan variance before controlling.
采用这种方法对钟差，频率偏差和老化系数进行了计算仿真，同时对滤波前后的阿伦方差进行了比较。 - The active power and frequency have an interactional relationship, so frequency deviation from a reasonable range will cause a very serious result to the power system and the users.
有功功率和频率是相互影响的关系，而频率偏离了合理范围后对电力系统和用户的危害是很严重的。 - The result for a wide range of disturbances shows that the proposed method can effectively detect the distortion points and can make real-time and accurate detection of a variety of disturbances, including Oscillation, frequency deviation and harmonic etc.
对多种电网扰动进行仿真测试，仿真结果表明了该方法可以有效地检测出信号的畸变点，能够实时、准确地检测多种电网扰动，包括振荡、频率偏移和谐波等等。 - With the resonance frequency deviation as the research object, the frequency track algorithm is optimized. And according to the simulation results, it is proved that the algorithm can achieve rapid locking for the resonance frequency.
以谐振频率偏差作为研究对象，对系统的频率跟踪算法进行了优化设计，仿真表明该算法可以比较快地实现谐振频率的跟踪锁定。 - First it analyzes the phase rotation and inter-carrier interference of the OFDM sub-carriers caused by the clock frequency deviation, and carries on a deviation test for the trial system which verifies the conclusions of theoretical derivation.
首先分析了时钟频率偏差对OFDM子载波造成的相位旋转和载波间干扰，并针对试验系统进行偏差测试，验证了理论推导的结论。 - Meanwhile, the commonly used power quality detection methods were analyzed and compared, including the methods to detect harmonics, frequency deviation, voltage deviation and so on.
同时，对目前常用的电能质量检测方法进行了对比分析，主要包括谐波、频率偏差、电压偏差等检测方法，并用加窗插值基-2FFT实现了谐波及频率的较高精度检测。 - The estimation of frequency deviation range will be expanded with rational training sequence length.
同时通过合理设计训练序列的长度，可扩大频偏估计范围。