principal frequency
英 [ˈprɪnsəpl ˈfriːkwənsi]
美 [ˈprɪnsəpl ˈfriːkwənsi]
网络 主频率; 主频
双语例句
- The principal advantage of insulin Glargine over neutral protamine Hagedorn ( NPH) insulin is in a lower frequency of hypoglycemic reactions, thus affording improved safety.
甘精胰岛素较中性鱼精蛋白锌胰岛素的主要优势是较少发生低血糖反应，从而具有较好的安全性。 - The Research of Damage Identification Method of Oil Derrick Based on the Principal Component Analysis Measured Frequency Response Functions
基于实测频响函数主成分的石油井架损伤识别方法研究 - The Company's principal product categories include amplifiers, battery management, data converters, high frequency, interface, voltage regulators and voltage references.
该公司的主要产品门类涵盖放大器、电池管理、数据转换器、高频、接口、电压调节器和电压基准。 - The results show that the fractal box-counting dimension can reflect the magnitude of principal frequency.
分析表明，分形盒维数D能反映爆破地震波主振频率大小； - The first order and the second order principal coordinates of hydroelastic vibration of a moored floating body are calculated. The frequency characteristics of the principal coordinate are discussed.
计算了系泊浮体水弹性运动的一阶和二阶主坐标，重点讨论了主坐标的频率特征。 - The principal and features of low frequency modulated type pulsed MIG welding process are discussed.
介绍了低频调制型脉冲MIG焊接的方法原理和工艺特点。 - This paper distinguishes principal noise source of the hoist, it is passed through-noise experiment and frequency analysis with the hoist.
本文通过对提升绞车的噪声试验和频谱分析，鉴别了提升绞车的主要噪声源。 - The composition and function chart and control principal of the inject-plastic machinery of two moving moulds using "HMI+ PLC+ Frequency Inverter" control are introduced, also introduces the feature, which parameters can be easily set, and operated simply, and works reliably.
介绍了一种采用人机界面+PLC+变频器三位一体控制的双动模液压注塑机的控制原理，系统组成及功能图，使系统具有参数设置容易、操作简单直观、工作可靠等特点。 - Flue gas pressure pulse signals and temperature pulse signals are analyzed to obtain the effects of flue gas velocity and temperature on the principal fluctuation frequency of gas flow, and further to choose a proper sensor.
试验中首先对烟气流动所产生的压力脉动信号和温度脉动信号进行分析，研究烟气流速和温度对压力脉动主频的影响，以选用合适的传感器。 - Based on the UWB-SAR echo model and image principal, the target feature extraction method from aspect domain, frequency domain and resolution domain in UWB-SAR image by filtering in frequency domain is presented, and the corresponding filter design are offered.
基于UWB-SAR回波模型和成像原理，研究了用频域滤波的方法在UWB-SAR图像频域支撑中提取目标的方向域、频率域和分辨率域特征的方法，给出了相应的滤波器设计； - The principal frequency ( PF) and relative amplitude ( RA) of the single coo di · Gu&, including prelude, loud song and coda, were distinctly increased, calm and decreased gradually.
家鸽的单次自鸣声di·Gu&，包括前奏、高潮声和尾声，其主频率和相对幅值都呈明显的逐步递增、平稳和逐步下降过程。 - In order to evaluate the precision of the principal rotational axis on hybrid NC machine tools, an advanced single frequency laser interferometer is developed to measure the accuracy, which is prepared for compensating the positioning errors of the principal rotational axis.
为了达到对混联机床主旋转轴精度准确评价的目的，采用单频激光干涉仪进行精度检测，并为机床主旋转轴定位误差的补偿做准备。 - Based on fix-point and principal component analysis technology, the realization of real-time text-independent speaker recognition system, which takes Mel frequency cepstral coefficients as the feature parameter, is presented.
以Mel倒谱系数为说话人特征，运用主成分分类技术，结合定点数计算技术实现实时说话人自动识别。 - This paper proposes a method that can automatically obtain common lineshape in the spectrum data set based on Complex Principal Component Analysis ( CPCA), which can correct frequency shifts and damping factor shifts effectively.
该文提出了一种应用复数主成分分析方法（CPCA）来获取波谱基木波型，自动校正频率和衰减系数偏移的方法。 - 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。 - Analysis and Comparative of Rough-set Theory and Principal Components Analysis to Double Allele Frequency
粗糙集聚类分析与主成分分析法对双等位基因频率的分析与比较 - This paper introduces the principal and design of a serial input PLL frequency synthesizer with pulse-swallow function. It is of characteristic of simple construction easy to be realized, good steadiness, and high accuracy.
介绍了吞除脉冲式串行数字锁相频率合成器的原理与设计，它具有结构简单，稳定性好，精度高，易实现等特点。 - Results: Two measures are identical in principal, but the new measure has better frequency resolution at low frequencies.
结果：DWT均方差测量与PSD测量结果在原理上是等价的，但小波均方差估计D（m）在低频率范围内具有更好的频率分辨能力。 - When the crystal optical-axis parallel to the waveguide plane, For the positive uniaxial crystal material, the principal mode of the waveguide is a TE wave, which can be excited by the light at any frequency;
当单轴晶体光轴位于波导面内时，对于正单轴晶体，波导的主模是横电波TE0模，任何频率的光波均可激励该模式； - One of the principal disadvantage of OFDM is sensitivity to frequency offset.
OFDM的主要缺点是对载波频率偏差很敏感。 - Rain specific attenuation has been recognized as a principal cause for impact system performance in LMDS and satellite communications systems operating in the same frequency band.
同工作于该波段的卫星通信系统一样，雨衰是影响系统性能的主要因素； - The influencing factors to children blood lead level were education level of principal care taker, intake frequency of popcorn and century egg, the distance from kindergarten to road, health habits of parents who had occupational lead exposure, children's age and history of house decoration.
儿童血铅受主要抚养人文化程度、是否常吃爆米花和皮蛋、幼儿园与马路的距离、从事铅暴露职业的父母习惯、儿童年龄以及家庭装修等因素影响。 - The testability and power dissipation of circuit have become the principal problems in the design of very large scale integration ( VLSI) due to the rapid development of semiconductor technique and the constant improvement of integration level and clock frequency of VLSI.
半导体技术的飞速发展及VLSI集成度和时钟频率的不断提高，使得电路的可测性和功耗问题逐渐成为VLSI设计首要考虑的因素。 - The principal component decomposition is combined with the Kriging model to construct a surrogate model for predicting vibro-acoustic response in the frequency band of interest.
还将主分量分解和Kriging模型相结合建立了可对整个计算频段内的振动声辐射响应进行预测的代理模型。 - Undrained cyclic principal stress rotation experiments had been done, and it was found that ( 1) the shear stress amplitude, frequency, principal stress rotation amplitude and overconsolidation ratio had the obvious influence on soils.
结果表明：（1）剪应力幅值、频率、主应力轴转幅及超固结比对主应力轴循环旋转时土样性状均有显著影响。 - Improved kernel principal component analysis algorithm lined with optimum multilayer classification structure is utilized to extract the signal feature, thus, estimated signal frequency is obtained.
提出数据样本库的优化分层结构和改进的核成分分析算法相结合的信号细化特征提取方法，通过不同的特征测量法得到信号的频率估计值。 - The magnitude of the range about the principal coordinates on elastic mode decides the contribution which every elastic mode makes to total distortion and the range of low frequency mode is much larger than it of high frequency mode.
弹性模态各主坐标幅值的大小决定着各弹性模态对总体变形的贡献，低频模态的主坐标幅值要比高频模态的大很多。