• Which factors do the frequency spectrum of ultrasound have relation with?

    以及液体超声波频谱那些因数有关

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  • Frequency spectrum element, carrier frequency. Frequency type can be specified.

    频谱元件载波频率指定频率类型

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  • First, it introduces the principle and algorithm of frequency spectrum analysis.

    首先讲述频谱分析原理以及实现的算法

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  • The analysis of frequency spectrum is an important link in seismic data processing.

    地震数据处理中,频谱分析不可缺少的重要环节

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  • 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。

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  • This paper introduced a method of forecasting precipitation with frequency spectrum analysis.

    本文介绍频谱分析法进行降水量分析和预报基本方法

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  • The influence of some factors on pressure oscillation is studied by frequency spectrum analysis.

    采用频谱分析方法,分析因素压力振动特性影响

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  • This can cause some input frequency spectrum distortion which will have an effect on the computed FRF.

    这会引起一定输入频谱失真计算得到的频产生影响

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  • According to the frequency spectrum and covariance, the blur strength of the blurred image is evaluated.

    根据模糊图像频谱协方差特性估计模糊图像模糊度。

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  • Through removing mean and frequency spectrum correction, the measurement precision of system is improved.

    采用去均值频谱校正方法,改善了系统测量精度

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  • The correlated information can be picked up in the frequency spectrum charts of dynamic resistance curves.

    动态电阻曲线频谱也同样可以提取熔核直径相关的信息

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  • Based on the analysis of the sensor signal, the frequency spectrum is analyzed with SD-380 dynamic analyzer.

    分析传感器信号基础SD- 380动态分析仪信号作了频谱分析

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  • Also, a large frequency spectrum (698-806 MHz) was freed by switching over from analog TV to the digital one.

    此外模拟电视信号数字电视信号的切换释放了广阔的频道(698- 806mhz)。

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  • Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.

    论述周期-频度方法分析数字化地震记录中的应用

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  • 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宽度双重调制(P I W M)的频谱及其特点

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  • Because the structure vibrates at some modal, a vibration peak value will appear at its noise frequency spectrum.

    是因为结构某一阶模态振动时,辐射噪声频谱上出现峰值

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  • The entire available frequency spectrum is used with 79 hops of 1mhz bandwidth, analogous to the IEEE 802.11 standard.

    1M hz带宽79利用这个完整可用频谱

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  • The sonic signature needs to keep the treble detail, but increase the frequency spectrum and add a more full sound.

    声音特色方面,保持高音细节增加响宽度,增加更多的饱满声音

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  • The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.

    通过调制信号分析,以其频谱中是否存在某种故障特征频率分量诊断有无该种故障。

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  • Through vibration frequency spectrum analysis of no-tillage seeder in field, its vibration characteristics were obtained.

    通过播种机的田间振动频谱分析,得到了它的的振动特征

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  • Our digital data link USES the frequency spectrum allocated to small UAS much more efficiently than the analog link it replaces.

    我们数字数据采用频谱分配小型无人机效率远远高于模拟系统。

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  • Using frequency spectrum analysis of phase function to calculate its auto power spectrum can reflect its frequency structure.

    利用函数频谱分析功率可以反映频率结构

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  • Objective: To study the mechanism of frequency spectrum water prevented leukocyte adhesion and improved microcirculation in rat.

    目的探讨频谱预防白细胞粘附改善微循环障碍机理

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  • Analysis of frequency spectrum of human ECG using method of real-time frequency spectrum analysis and filter method is presented.

    本文介绍了实时频谱分析法滤波器人体心电信息作频谱分析

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  • Using Fourier series, the frequency spectrum analysis was analyzed, and spectrum data of harmony wave less than 19 were calculated.

    利用里叶级数对其进行了频谱分析,计算了次数小于19次各次谐波电流均方根值的频谱数据

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  • When sampling frequency is quite high, frequency spectrum distributing of digital natural sampling and natural sampling is similarity.

    采样频率比较时,数字化自然采样法频谱分布自然采样法的频谱分布类似

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  • The trend of the future mobile communication is digital transformation speed raised and radio frequency spectrum resource used sufficiently.

    未来移动通信系统发展趋势之一便是数据传输速率得到极大提高同时无线频谱资源会得到更充分地利用

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  • Signal sequence DFT is a signal frequency spectrum sampling sets, therefore DFT can be directly used for analysis of signals frequency spectrum.

    信号序列DFT本身就是信号频谱采样所以DFT直接用于分析信号频谱。

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  • The principles and experimental results of a frequency spectrum analyzer for all types of single transient processes are described in this paper.

    本文叙述了一个适用于各种单次瞬态过程频谱分析仪工作原理实验结果

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  • The principles and experimental results of a frequency spectrum analyzer for all types of single transient processes are described in this paper.

    本文叙述了一个适用于各种单次瞬态过程频谱分析仪工作原理实验结果

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