basic frequency
英 [ˈbeɪsɪk ˈfriːkwənsi]
美 [ˈbeɪsɪk ˈfriːkwənsi]
基频；主频
双语例句
- Let's write something that uses basic frequency analysis to decode an encoded message.
让我们编写一些程序以使用基本频率分析将编码信息解码。 - The analyst works with these inferences as well as the basic frequency distribution to assess the integrity of the domain or column and report findings.
分析师使用这些推断和基本频率分布来评估域或列的完整性，并报告得到的发现。 - Study of Carry-over Displacement on the Floor Vibration Beyond the Basic Frequency Resonance
扰频超过基频后楼板振动传递位移的研究 - The beam quality of the frequency-doubled beam deteriorates seriously with the beam quality of basic frequency reducing.
发现随着基频光束模式变差，倍频光束质量严重恶化。 - Theoretical analysis shows that the basic frequency and the mass of flexible base are the most two important factors which influence the isolation efficiency.
理论分析表明，柔性基础的基频和质量是影响隔振效果的最重要因素。 - The results show that the basic frequency is higher and the models are not dense;
结果表明，结构体系的基频较高，模态不密集； - It is more accurate and reliable in current protection that basic frequency current is taken from fault current with decaying dc component by use of FFT for difference input data, which eliminates the need of analog wave filter.
采用差分与傅氏变换相结合的计算方法，省去模拟滤波电路，从带有衰减直流分量的故障电流中提取基波电流，进行保护计算和判断，具有较高的准确性和可靠性。 - By amplitude of liner spectrum of strain mobility at basic frequency ( stage ⅰ nature frequence), poisson ′ s ratio of material of member has been measured, and compared with static result.
应用第1阶固有频率的横向和纵向应变导纳的线性谱幅值测定了杆材的泊松比，并与静态测量结果作了比较。 - This paper studies further the relation between the basic frequency equivalent impedance of the thyristor controlled series compensator ( TCSC) and the basic frequency reactance of the thyristor controlled reactor ( TCR) on the base of the characteristic research to the TCSC dynamic simulation experiment apparatus.
在可控串补（TCSC）动模实验装置特性研究的基础上，进一步研究了TCSC基频等效阻抗与TCR基频电抗的关系。 - A reflective cavity is used to make the basic frequency laser light passing through a second harmonic generation ( SHG) crystal many time to increase the efficiency of SHG out of the laser resonant cavity, Two arrangements of light path are described.
本文介绍在腔外倍频中，加反射腔，使经过倍频后剩余的基频光，被反射腔多次反射叠加在原基频光上，增加了基频光功率，从而提高了倍频效率。 - This work deals with the fundamentals of basic frequency band signal transmission sys-tem for well logging and analyzes the bipolar return-to-zero system and Manchester trans-mission system for well logging in detail.
本文介绍了基带传输系统的原理，并较详细地分析了用于测井的双流归零制基带传输系统和曼彻斯特传输系统。 - Based on the measured basic frequency and crack characteristic, the dynamic characteristic of the whole bridge was divided into the dynamic properties of single beams.
基于实测基频和裂缝特征将整桥的动力特性分解为单梁的动力特性，应用钢筋混凝土单梁模型试验研究成果，对RC梁桥结构性能进行评估。 - A weak magnetic field adjusting scheme is brought forward when the system is running above basic frequency. This scheme carries on polynomial expression fitting based on experimental data to guarantee the system's stable running in constant power area.
给出了系统在基频以上运行时的弱磁调节方案，该方案在实验数据的基础上进行了多项式拟合，以保证系统在恒功率区域稳定运行。 - The PLL system is a stable phase feedback control system with many useful outputs, and it is robust to its inner parameters and small change of input's basic frequency.
该改进PLL系统是一个稳定的相位反馈控制系统，产生的多个输出信号可用于多种电能质量扰动的检测，而且对于检测系统的内部参数和电力系统频率的变化是鲁棒的。 - A simple formula for finding basic frequency is derived by use of relation of root and coefficient, and an example is enumerated to illustrate its application.
对特征方程利用根与系数的关系，导出了一个计算基频的简便公式，并结合实例说明其有一定的实用价值。 - A novel all optical scheme for extracting clock pulses with basic frequency from the receiving non uniform OTDM optical signal is proposed.
提出从接收到的光信号脉冲串中提取光基频时钟的方案。 - By means of some known parameters of elastic launch system, the basic frequency is estimated via simulation of the vibration model, and the influence of the parameters variation on the elastomeric vibration frequency is discussed.
利用已知的弹性发射系统的有关参数，通过仿真得出系统振动的基频估计，同时探讨了参数变化对弹性体振动频率的影响程度：真空条件下弹性体的自由振动基频较低； - The various tendencies of the basic frequency and the damping ratio of the pile-soil-frame structure system model has been analyzed with the top structure quality increase.
分析了随上部结构质量的增加，桩-土-框架结构体系模型的基本频率和阻尼比的变化趋势。 - Through setting up the finite element models and performing the calculations, the basic frequency and the seismic isolation performance of lead-rubber bearing base-isolated structure considering soft soil-structure interaction under earthquake excitations are analyzed.
通过建立有限元模型进行计算，详细研究了软土地基下铅芯橡胶支座基础隔震体系的基本频率和动力反应规律。 - Optimal mathematical model is built with goals of minimum vertical cable number and surface accuracy, design variables of numbers of vertical cables and cable tensions, and constraints of stresses and basic frequency.
以上、下索网之间的纵向调整索数与索张力为设计变量，表面精度与纵向调整索数为目标，应力和频率为约束条件，建立双目标优化数学模型。 - By means of the comparison basic frequency of derrick and substructure with the design rotary speed of drilling machine, it is known that the preceding 4 steps modal frequencies are in the range of rotary table frequencies and they are easy to produce sympathetic vibration.
通过对井架及底座的固有频率与钻机设计工作转速比较，得出前4阶固有频率都在转盘的扰动频率范围内，容易发生共振。 - Basic Frequency Band Signal Transmission System for Well Logging
用于测井的基带传输系统 - Their basic frequency error performance and probability of loss-of-lock at various signal-to-noise ratios is compared by tracking a common simulated high-dynamic trajectory.
并以均方根估计误差和失锁概率为性能指标，通过对同一模拟的接收机高动态轨迹的跟踪估计，比较了两种不同估计技术的基本性能。 - Combine to in a transformer substation with more content of power system harmonics how applied the FFT precision to measure the basic frequency U, I to carry on the study.
并对在谐波含量较多的变电站中如何应用傅氏算法精确测量基频U、I进行了探讨。 - With multimedia equipment performance increasing, people request video quality promoting too. People need clearer video signal, but the CPU basic frequency promotion meets the bottleneck, and CPU also changed the multiple-core direction to develop.
随着多媒体设备性能的提高，人们对视频质量的要求也随之提升，人们需要更加清晰的视频信号，但CPU的主频提升遇到了瓶颈，CPU也转向多核心方向发展。 - The abilities in enhancing basic frequency signal and suppressing Gaussian noise are also discussed. ( 3) The feature extraction methods for nonintegral dimension DEMON spectrum in pressure and acoustic vector signal are discussed.
探讨其增强基频信号抑制高斯噪声的能力。（3）探讨声压和声矢量信号非整数维DEMON谱特征提取方法，并对其性能进行研究。 - At last, the paper focused on ratio of frequency spectrum method and basic frequency shift method, then designed and implemented the algorithm for both approaches, at last used the forward model to inverse the Q value and compared them with the theory Q value.
最后重点研究了谱比法和主频偏移法，进行了这两种方法的算法设计及实现，并应用于正演模型分别反演出Q值并与理论值进行比较。 - By analysising above measured data get the relationship between actual impact coefficient of and speed/ basic frequency.
由以上实测数据分析结构基频、车速两个因素对实测冲击系数的影响并作了相关分析。 - Due to restrictions on power and frequency, Further raises the single processor basic frequency is limited.
由于受到功耗和频率的限制，进一步提高单处理器的主频受到限制。