main frequency
英 [meɪn ˈfriːkwənsi]
美 [meɪn ˈfriːkwənsi]
网络 主要频率; 电源频率; 主频率; 主频
双语例句
- Then the graph of the changes of group and energy velocity with the length of cutoff region and the main frequency of the wave packet is received.
计算了波包穿越势垒的群速和能量速度，得到群速和能速与截止区长度的关系图，以及群速与激励源的工作频率的关系图。 - The male mosquitoes show response only to the main frequency of the female wingbeat sound.
雄蚊只对基本频率的雌蚊翅振音起反应，雌蚊翅振音的偶然变化不会降低其对雄蚊的引诱力。 - This paper analyzes the impact of on-the-spot noise and the single frequency noise of the main frequency noises of woodworking machine-sander on workers 'physiological and psychological load from the aspect of the noise influencing heart rate.
该文从噪声对人体心率影响的角度，分析了木工宽带砂光机（BSG2713）的现场噪声及其主要频率的单频噪声对工人生理及心理负荷的影响。 - Meniscus Behavior in Mold of Main Frequency Soft-contact Electromagnetic Continuous Casting for Round Billets
圆坯中频电磁软接触连铸结晶器内弯月面行为的研究 - The main frequency domain enhancement methods are: low pass filtering, high pass filtering and homomorphic filtering.
频率域的增强方法主要有：低通滤波、高通滤波、同态滤波。 - From the calculating results, the main frequency of rail and sleeper lateral vibration is low.
从计算结果可知，轨道结构的横向振动频率较低，且钢轨与轨枕的横向振动主频相接近。 - This paper mainly introduced the technology of computer multimedia and the main frequency characteristic of the geosound. At the same time, discussed the method of using computer multimedia technology to detect the geosound and realize imminent earthquake prediction.
本文主要介绍了计算机多媒体技术以及地声的主要频谱特征，同时探讨了利用计算机多媒体技术进行地声的实时监测从而实现对地震的临震预报的一种方法。 - Analyze the distribution of internal noise and main frequency ingredient with different speed.
分析了不同车速工况下车内噪声的分布状况及主要频率成分。 - The paper introduces today's main frequency constant water supply system and makes the compassion and analysis.
介绍了现今主要的变频恒压供水控制系统，并对其进行比较分析。 - In this paper we zoom some regions of FFT spectrum by the Fourier transform, get the precise value of some main frequency, and thus greatly improve the frequency discrimination of FFT spectrum.
在细化频谱分析时，可以得到某个主要频率成份频率、幅值、相位的精确值，极大地提高了频率分辨力，对瞬态及恒定采样长度信号的频率细化分析十分有效。