effective frequency
英 [ɪˈfektɪv ˈfriːkwənsi]
美 [ɪˈfektɪv ˈfriːkwənsi]
网络 有效接触频次; 有效频次; 有效频率; 有效接触频率; 有效暴露频次
双语例句
- Although traditional algorithm which combines cyclic prefix ( CP) with pilot carrier is very effective to frequency offset estimation, its computational complexity is high.
传统的基于导频和循环前缀的算法虽对频偏估计很有效，但计算复杂度较高。 - Experimental Study on the Effective Frequency of the Pump Pulse to the Mode-Selective Excitation of the CARS Signals
泵浦光中有效频段对CARS信号选择激发作用的实验分析 - In the OSL, effective sum frequency can be generated from the incident light and its elastic scattered light.
在光学超晶格材料中，入射光与它的弹性散射光在准相位匹配条件下能够有效和频。 - The results show that the transmitted power flow estimation accords with the measured vibration level difference in effective frequency range of measured impedance, so the power flow estimation may be used to guide the design of the isolation system.
结果表明：在测试阻抗的有效频率范围内，功率流传递率估算与实测的振级落差总的趋势一致，说明功率流估算对设计有指导意义； - As a result, we accurately estimate the effective signals in high frequency band and better the noise suppression, thus broadening the effective frequency band.
这样做的结果，使高频段有效信号的估计更加准确，能更好地改善去噪效果，从而达到拓宽有效频带的目的。 - The paper also interpreted the physical meaning of trace-integrated algorithm in frequency domain-making the seismic data shift-90 ° of phase in effective frequency band.
文中还解释了道积分算法在频率域的物理意义&在有效频带对地震记录做-90°相移。 - According to the spatial distribution of effective precipitation frequency, the province can be divided into 4 main regions;
甘肃省年有效降水次数异常区域大致分为4个关键区； - Theoretical calculate and real data processing show the method can depress noise in both time and frequency domains, spread out the effective frequency band, and improve the resolution factor.
理论数据和实际资料处理结果表明，将这种方法用于时间域和频率域的去噪均能起到压制噪声的效果，有利于展宽有效频带，提高分辨率。 - A formula used to estimate upper effective frequency limit of a muffler is reported and the effects of expansion tube length are investigated, which give the reference to the design and improvement of muffler.
在此基础上，对扩张式消声器最高有效上限频率及扩张室长度对消声器性能的影响进行了讨论，其结论对消声器设计有一定的参考价值。 - The measurements were made on aluminum panel with short-time signal analysis. The reflection coefficients within the effective measuring frequency range show good agreement with theoretical values, and the errors are less than 10%.
本文给出了在铝板反射系数测量中用短时信号分析的结果，在有效测试频段内与理论值相比，误差小于10%。 - In this paper, a design method about a kind of S band wide-band high effective microwave frequency multiplier is introduced. Printed circuit and characteristics are given.
本文介绍了一种S波段宽带高效微波倍频的设计方法，给出了其印制电路及性能指标。 - In accordance with vibration condition of vibrating object, the control system adjusts the phase, frequency and amplitude of the torque automatically, thus enhances its vibration absorbability and widens its effective frequency band.
它是在普通动力减振器上增加控制力矩，根据被减振物体的振动情况，自动调节控制力矩的大小、相位和频率，从而增加了减振作用和有效频率范围。 - The study provided the variation range of paddy field hardpan roughness and the effective frequency of the hydraulic copying system.
试验研究提供了水田沟底不平度变化范围以及可以实用的插秧机液压仿形系统的仿形频次。 - ERMES is an updated high speed radio paging system defined by ETSI, it has the advantage of high transmission speed, large channel capacity, effective frequency allocation, low battery consumption.
ERMES是ESTI规定的一种新型高速寻呼编码规程，具有传送速率高、通道容量大、频率分配模式效率高、省电等优点。 - The Limits of Applicability of Phase-matching Condition on the Effective Frequency Doubling Behavior
有效倍频行为中相位匹配条件的适用范围 - Analysis on the Singular Features of Annual Effective Precipitation Frequency in Gansu Province
甘肃省年有效降水次数的异常特征分析 - First, effective frequency band of component is widened by compound structure method.
首先，通过采用复合式结构展宽抑制元件频带。 - If parameters are selected properly, the effective frequency ranges can be broadened and the dominant frequencies can be improved.
参数选择得当，就能有效地拓宽有效波频带范围，提高有效波的主频。 - Phosphide can obviously increase the crystallization peak temperature, activation energy and effective frequency factor, but it restrains crystal growth along with the transformation of α-spodumene to β-spodumene.
磷化物能显著提高LAS玻璃的析晶温度、活化能和有效频率因子，并抑制了晶体生长，但存在α-锂辉石向β-锂辉石转变； - The analyses of frequency characteristic of the system demonstrate that the noise in effective frequency band is eliminated and the phase of the system is approximately linear.
并对系统的频率特性进行了分析，表明基于该技术的微加速度计系统在工作频段内噪声能够得到有效的消除，且具有近似的线性相位。 - This paper will produce a frequency collection computational method based on the iteration thought neither with the frequent scanning data nor with the combinatorial computation. The experiments show that this method is a very effective frequency collection computational method.
将给出一种基于迭代思想的频度集计算方法，既不用频繁扫描数据又不用组合计算，实验表明此方法是十分有效的频度集计算方法。 - Wavelet analysis can accurately handle the signals and is sensitive to transient mutation and weak change of signal, so I choose the wavelet analysis to extract the effective frequency band from transient signal to select the fault line.
小波对微弱信号的变化很灵敏，因此本文利用小波变换提取故障暂态量中的有效频段来进行选线。 - Interleaving technique can increase the effective frequency of the converter, and decrease the current ripple.
交错控制能够提高变换器的等效频率，减小输出电流脉动。 - The experimental results show that this kind of the spectroscopy not only can be used to study the dressed-state splitting of the atomic excited states, but also can be develop to measure the effective Rabi frequency felt by the cold atoms in a MOT.
实验结果显示，这种光谱不仅可以用于研究原子激发态的缀饰分裂，而且可以发展为一种测量MOT内冷却光对冷原子的有效Rabi频率的方法。 - Effective frequency planning is the main method to increase the system capacity and coverage.
有效的频谱规划是提高系统容量和覆盖范围的一个重要手段。 - A variety of ab initio approaches are employed to calculate ET parameters, reorganization energy, electronic coupling and effective frequency, and their validity are also discussed for this system.
首先，通过量子化学计算获得分子内电子转移的几个重要参数：重组能、电子耦合强度以及有效频率，同时也讨论了各种计算方法的有效性。 - Because of the merit that ICA can retain the effective signal frequency components while removing noise, it is used to filter out the random noise in seismic data, so as to keeping bandwidth of the seismic data while improving the signal to noise ratio.
利用ICA在去除噪声的同时可保留有效信号频率成分的特点，来滤除地震资料中的随机噪声，达到提高信噪比和保持记录频宽不变的目的。 - Simulation results show that the carrier frequency offset with the increase of increases the signal bit error rate rapidly. So it is necessary to take effective frequency offset estimation algorithm to reduce the error bit rate communication system.
仿真结果表明随着载波频率偏移的增大，信号的误码率急剧增大，因此有必要采取有效的频偏估计算法来降低通信系统的误码率。