absolute frequency
英 [ˈæbsəluːt ˈfriːkwənsi]
美 [ˈæbsəluːt ˈfriːkwənsi]
绝对频率，绝对频数
双语例句
- The method of measuring absolute distance with the optical frequency comb of a femtosecond laser was proposed.
提出使用飞秒激光器的光学频率梳测量绝对距离的方法。 - Therefore, the frequency utilization as compared with the other two criteria have absolute advantages in the same frequency bandwidth can support more users, to meet many of our users the status quo.
所以在频率利用率上与其他两个标准相比占有绝对优势，从而在相同的频率带宽内可以支持更多的用户，满足了我国用户众多的现状。 - This information normally exists in the form of signal amplitude ( absolute or relative), frequency or spectral content, phase, or timing relationships with respect to other signals.
通常，信息的存在在形式是信号幅度（绝对幅度或相对幅度）、频率（或频谱成分、相位（或者和其他信号之间的时序关系）。 - By now the vector-mixer calibration technique has been used in our project, the test results show that vector-mixer calibration sloved measuring absolute group delay of frequency converters successfully.
矢量混频器技术已在工程中应用，测试结果表明，矢量混频器技术较好地解决了变换链路绝对群时延的测量。 - The definition and measurement techniques for group delay has been described and analyzed in this paper, the new techniques, being called three-mixer technique and vector-mixer calibration for measuring the absolute group delay of the frequency converters has been researched and analyzed in detail also in this paper.
描述和分析群时延的含义和测量方法，着重研究了变频链路绝对群时延的测量方法，对三混频器和矢量混频器技术进行了详细分析和论述。 - A fiber-optic velocity sensor which can be used for absolute vibration with ultra-low frequency was introduced.
针对目前用于绝对低频振动测量的传感器在测量超低频（1Hz以下）的绝对振动时，其输出信号完全被淹没的缺点，提出了一种基于光纤的超低频绝对振动速度传感器技术方案。 - Study on technology of fiber optic sensor for absolute vibration with ultra-low frequency
超低频绝对振动的光纤传感技术研究 - Designed a two-dimension photonic crystal of square lattice with rotating square cylinders, calculated their frequency band structures for this kind of photonic crystal and found existing a large absolute band gap in the low and high frequency regions by using the plane wave expansion method.
设计了一种二维方形旋转正四边形直柱光子晶体，利用平面波展开方法计算了其光子频率带结构，发现在低频和高频区域，该类光子晶体的光子频率禁带明显增大。 - Laser absolute frequency and energy-level difference measurement by polarization beats
基于极化拍频激光绝对频率与原子能级差的测量方法研究 - The low frequency compensation helps determine the basic velocity structure as well as absolute velocity value, whereas the high frequency compensation could compress waveform and suppress noise so that the resolution and S/ N of seismic data can be improved.
有利于求取基本的速度结构和绝对速度值：高频补偿，能有效地压缩波形.压制噪声，从而提高地震资料的分辨率和信噪比。 - Approximate coefficients in low frequency band of two images and the average over absolute wavelet packet coefficients of high frequency brand form a fused coefficients matrix.
对两幅图像低频波段的逼近系数取均值，对高频段选取绝对值大的小波包系数，得到融合系数矩阵。 - The problem of altering the rotating coordinate system to absolute coordinate system is often encountered when the frequency characteristics of unsteady vortex shedding in turbine engine is studied.
在研究叶轮机械转动部件非定常旋涡脱落频谱特性时，难以避免会遇到旋转坐标系向绝对坐标系转换的问题。 - A Study About Absolute Auditory Discrimination at Different Frequency Level and Different Loudness Level
不同频率和响度声音的听觉判断绩效研究 - This dissertation analyses the principle of traditional UFLS ( Under Frequency Load Shedding) method which is based on the absolute value of frequency and UFLS method imported the descending speed rate of frequency, and the disadvantage of the current UFLS principle is pointed out.
本文分析了传统基于频率绝对值的低频减载方案和引入频率下降速率的低频减载方案的原理，指出了现行低频减载装置在原理上存在的缺陷。 - Two Rectangle Lattice 2D Photonic Crystals with Large Absolute Band Gaps at High Frequency
两种大带隙的长方晶格二维光子晶体 - The absolute frequency of homologous recombinant event is 2 × 10-7. CONCLUSION: This preliminary investigation provides a basis for future studies to generate mammary gland bioreactors through the subsequent nuclear transfer ( NT) technique.
结果：获得了一株定点整合的细胞克隆，绝对基因打靶效率为2×107。结论：本实验结果为后续利用核移植技术制备乳腺生物反应器提供了坚实的实验基础。 - By using the plane wave expansion and finite-different time-domain ( FDTD) methods, we can find a larger absolute band gap in the low and high frequency.
通过运用平面波展开方法以及有限差分时域（FDTD）方法进行分析，可以明显地发现，在低频和高频区域增大了光子晶体的光子禁带。 - 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。 - We develop the seed CW laser source by using the ring dye laser pumped by a diode semiconductor laser, the absolute laser frequency locking and automatic tracing system, three frequency laser generator, pulse dye amplifier, auto-aligning system.
发射机部分：采用半导体激光器泵浦环形染料激光器作为系统种子激光光源，研制了激光频率绝对锁定跟踪系统、三频激光产生器、脉冲染料放大激光器、自动准直系统等。 - This paper uses the nucleosome dinucleotide absolute frequency to study nucleosomes 'identify and predict.
本文主要利用核小体二联体的绝对频率来研究核小体的辨别和预测。 - In the end, based on the coordinate point data and energy lose data, using the u-Random Sampling Method, the Absolute Frequency Distributions of Energy Deposition in DNA model can be got.
最后，根据得到的坐标点数据和能量损失数据表，使用μ-随机抽样方法，抽样计算在DNA模型化了的2.3×2.3nm尺寸的小圆柱体内的能量沉积绝对频率分布。 - Here, we introduce the nucleosome dinucleotide absolute frequency, and use it to quantify every nucleosome. which made using mathematical methods to deal with the nucleosome data become possible.
在这里，我们引入了核小体二联体绝对频率，使用它我们把每个核小体进行向量化，使使用数学方法处理核小体数据成为可能。 - However, DDS is a full digital structure, which leads to low frequency, narrow absolute frequency coverage, and large spurious with its output.
但是DDS采用全数字化结构，使其输出频率较低，绝对频率覆盖小，输出杂散较大。 - Finally based on the algorithm of reconstruction from modulus maxima of the wavelet transform and multi-scale edge detection, another fusion algorithm of logging data is built, where the maximal absolute values of high frequency and the weighted method of low frequency are selected.
依据小波模极大重构算法，采用低频系数加权、高频系数取绝对值极大的融合规则，研究基于多尺度边缘检测的测井数据融合方法。 - In spite of the progression of some comprehensive therapies such as focal injection of absolute alcohol, cryotherapy, radio frequency and microwave thermofixation, interventional radiotherapy, biotherapy, and so on, chemotherapy remains the main strategy and the prognosis is still unsatisfying in the main.
尽管近年来在局部注射无水酒精、冷冻治疗、射频及微波热固化治疗、放射介入治疗以及生物治疗等综合治疗方面取得了一定的进展，但总体预后仍然较差，并且化疗仍为其主要方法。 - Combination with the characteristics of sEMG, we proposed two methods, which are the most absolute value of high frequency wavelet coefficient and the joint of wavelet coefficients and the largest lyapunov index.
结合表面肌电信号的特点，提出了小波高频系数的最大绝对值和小波系数与最大利亚普诺夫指数联合特征值两种特征提取方法。