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
- Life Extension Measures of Main Frequency Core Type Induction Cast Iron Holding Furnace Lining
工频有芯感应铸铁保温炉延长炉衬寿命的措施 - 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。 - 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。 - Based of main frequency arc extinguishing theory, the intermittently arc grounded sequence are simulated only with a module named breaker the first time and the restrain effect of arc extinguishing coil to intermittently arc grounded over voltage are also analyzed.
本文根据工频熄弧理论，首次仅利用breaker模块模拟了电弧间歇接地过程，并分析了消弧线圈对电弧间歇接地过电压的抑制作用。 - Moreover, it descends linearity with the main frequency of wave packet.
而平均群速随输入波频率增加整体呈线性下降趋势。 - The main frequency, attenuation and amplitude of seismic wave can detect change of crack opening.
可利用纵横波的振幅、主频、衰减（或品质因子Q）和主振幅的变化来检测裂缝张开度的变化； - And amplitude of pressure fluctuation and main frequency decrease accordingly.
因此压力脉动的幅值越小，主频也越小。 - The signal tendency and noise were canceled based on wavelet analysis. And 7 fault symptom parameters including two new parameters ( period extension and main frequency delay) were put forward.
在基于小波分析（WA）的基础上对信号进行消除趋势项和除噪处理，并提出了包括周期延长和主频推移2个新的判据在内的7个特征参数。 - 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。 - The final result provide the curve of main frequency changing in time.
仿真最终结果给出了多普勒频率随时间变化的曲线。