While this division of the frequency spectrum works, said Goldsmith, it's not infallible.
戈德史密斯表示,这种频谱划分方式尽管行之有效,却并非尽善尽美。
Also, a large frequency spectrum (698-806 MHz) was freed by switching over from analog TV to the digital one.
此外,从模拟电视信号到数字电视信号的切换也释放了广阔的频道(698- 806mhz)。
The analysis of frequency spectrum is an important link in seismic data processing.
在地震数据处理中,频谱分析是不可缺少的重要环节。
Having referred to a lot of documents, the author analyzed the HFC network's frequency spectrum, topology and channel features.
论文作者查阅了大量文献,分析了HFC网络的频谱划分、拓扑结构、信道特点。
First, it introduces the principle and algorithm of frequency spectrum analysis.
首先讲述了频谱分析的原理以及实现的算法。
The flow frequency spectrum of retina was assayed by routine ultrasound detection.
常规超声检测视网膜动静脉血流频谱。
The method for fans fault diagnosis by using noise frequency spectrum was described.
探讨利用噪声频谱进行风机故障诊断的方法。
In this paper, the DOA estimation is implemented by spatial frequency spectrum analysis.
本文从空间频谱分析的角度来实现这一估计。
This article proposes one practice case for a satellite frequency spectrum monitor system.
提出了一种卫星频谱监测系统的实践案例。
This paper introduced a method of forecasting precipitation with frequency spectrum analysis.
本文介绍了用频谱分析法进行降水量分析和预报的基本方法。
The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.
采用频谱分析方法,分析诸因素对压力振动特性的影响。
This can cause some input frequency spectrum distortion which will have an effect on the computed FRF.
这会引起一定的输入频谱失真,对计算得到的频响产生影响。
According to the frequency spectrum and covariance, the blur strength of the blurred image is evaluated.
根据模糊图像的频谱和协方差特性估计模糊图像的模糊度。
Through removing mean and frequency spectrum correction, the measurement precision of system is improved.
采用去均值和频谱校正的方法,改善了系统的测量精度。
The correlated information can be picked up in the frequency spectrum charts of dynamic resistance curves.
动态电阻曲线频谱图中也同样可以提取出与熔核直径相关的信息。
Based on the analysis of the sensor signal, the frequency spectrum is analyzed with SD-380 dynamic analyzer.
在分析传感器信号的基础上,用SD- 380动态分析仪对信号作了频谱分析。
Because both of them contain different frequency spectrum, their timing clock obtaining systems are different.
由于两者频谱成分不同,其定时时钟提取方式则不同。
The frequency spectrum and characteristics of pulse interval and width modulation (PIWM) are derived in detail.
推导了非同步型脉冲间隔与宽度双重调制(P I W M)的频谱及其特点。
Because the structure vibrates at some modal, a vibration peak value will appear at its noise frequency spectrum.
这是因为结构以某一阶模态振动时,将在其辐射噪声频谱上出现一个峰值。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析,以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
Driving performance analyses show that the frequency spectrum between driving moments and noise signals is separated.
对驱动性能进行了分析,结果表明驱动力矩的频段与噪声信号频段是分离的。
Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.
利用相函数的频谱分析求其自功率谱,可以反映它的频率结构。
These low frequency spectrum lines are basically the harmonics of the rotor shaft frequency and the blade-passing frequency.
并且这些低频线谱基本上都是转子轴频和叶频的谐波分量。
Analysis of frequency spectrum of human ECG using method of real-time frequency spectrum analysis and filter method is presented.
本文介绍了用实时频谱分析法和滤波器法对人体心电信息作频谱分析。
The vibration faults of the turbine-compressor sets were diagnosed using the technologies of fault diagnosis and frequency spectrum.
运用故障诊断和频谱分析技术,对透平压缩机组的振动故障进行了诊断。
With the outer scale of turbulence increasing, the amplitude of low-frequency spectrum increases and the high-frequency is invariable.
随着等效湍流外尺度的增加,低频谱的幅值逐渐增大,高频谱保持不变。
When periodic signals are analyzed in the laboratory, we measure the frequency spectrum of signals usually by a selection level meter.
在实验室进行周期信号分析时,通常使用选频电平表来测量其频谱。
Theoretically, the expected output of impulse deconvolution is a spike, whose frequency spectrum can be considered as that of white noise.
从理论上说,脉冲反褶积的希望输出信号是一个尖脉冲,其频谱可以看成是一个白噪信号的频谱。
Theoretically, the expected output of impulse deconvolution is a spike, whose frequency spectrum can be considered as that of white noise.
从理论上说,脉冲反褶积的希望输出信号是一个尖脉冲,其频谱可以看成是一个白噪信号的频谱。
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