absolute frequency
英 [ˈæbsəluːt ˈfriːkwənsi]
美 [ˈæbsəluːt ˈfriːkwənsi]
绝对频率，绝对频数
英英释义
noun
- the number of observations in a given statistical category
双语例句
- 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。 - 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。 - 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。 - 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。 - 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。 - 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 - 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。 - 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。 - 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。