frequency的例句大全

Practice shows that the application of frequency spectrum characteristics to the evaluation of IP anomalies caused by sulfide mineralized bodies ( chalcopyrite) and graphite-bearing dolomitic marble is effective.

实践证明，利用频率谱定性评价硫化物矿化体（黄铜矿）与含石墨白云质大理岩激电异常源取得较佳效果。

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Frequency speed control of centrifugal dosing pump

离心式投药泵的变频调速调节

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Melt dosing pump is the one of key equipments in a advanced MeltingCondition technology in our plant. A new type of frequency conventer Simens6SE3575 was selected to control and run it.

熔体计量泵是我厂“熔体调整”新技术的关键设备之一，选用了西门子6SE3575新型变频机来控制和驱动。

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The principles, design method and design process of varactor frequency doubler are presented particularly.

其中重点论述了变容管倍频器的工作原理、设计方法和详细的设计过程。

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The circumference MFL of the rope has a broad space-frequency rangealong the axial of rope.

钢丝绳周向漏磁信号沿绳长有丰富的空间波动频率成份.

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Powerful medicine for understanding the frequency shift and help planet Earth.

了解频率的偏移移转,帮助行星地球.

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Then, use the gotten LFM rate to remove the signal's LFM. And then apply FFF to the signal whose LFM was removed to get the original frequency of each component.

然后利用识别出的线性调频率对信号进行解线调，再对解线调后的信号进行FFT来识别每个LFM信号分量的初始频率。

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The paper proposes application of Wavelet Neural Network in high-frequency time series calendar effects' study. At last, the paper proves that WNN is better than classical FFF regression.

提出了用小波神经网络（WNN）来定量研究高频金融时间序列日历效应，通过比较发现WNN是比弹性傅立叶形式（FFF）回归技术更具优势的方法。

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By FFF regression of Andersen and Bollerslev ( 1997), we analysis the periodicity of Shanghai stock index 5-min high frequency data and the long memory characters in filtered absolute returns.

采用Andersen和Bollerslev（1997）的FFF回归方法，对上证综合指数高频数据中的周期性进行了分析，并分析了剔除周期后的绝对收益的长记忆性。

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High-frequency Financial Data's Long Memory SV Model Analysis Based on FFF Regression

高频金融数据的长记忆SV模型分析&基于FFF回归

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And after the intraday periodicity factors are filtered through FFF regression, the high frequency absolute return of fund index doesn't have obvious periodicity any longer.

通过FFF方法，将该周期因子进行滤波处理以后，基金指数高频绝对收益不再具有明显周期性。

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After the rough estimation, it can acquire the frequency offset with low computing complexity, and matrix including channel information simultaneously, which are favorable for offset compensation and demodulation of received signals. Numerical simulations can illustrate the performance of this algorithm.

该算法计算量小，容易获得频率偏移量，同时可得到蕴涵信道信息的矩阵估计，有利于接收信号的频率偏移补偿和解调。

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An Algorithm for Detecting Interferences Applied to Adaptive Frequency Hopping ( AFH) Systems

一种自适应跳频中的干扰检测算法

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B value of the relationship between magnitude and frequency and seismic yearly average occurrence ratio are main parameters that indicate seismicity of one zone, and they are the indispensable computational parameters in seismic risk analysis.

震级和频度关系式中的b值和地震年平均发生率是表征一个地区地震活动性的重要参数，也是地震危险性概率分析中不可缺少的计算参数。

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According to the trend and request of software radio, the paper introduces the effective technique of increasing frequency-bandwidth efficiency, reduces or eliminates ISI based on band signal disposing.

根据软件无线电发展的方向和要求，介绍了通过对基带信号处理来提高频带效率，减少或消除无符号码间干扰（insigninterferer，ISI）的有效方法；

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RFID is an automatic identification technology, which transfer data between tag and reader in the use of radio frequency electromagnetic waves.

RFID系统是一种利用射频电磁波在标签与读卡器之间传输数据的自动识别技术。

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A research on power frequency AC pollution flashover of long insulator strings under high altitude by new type of artificial climate chamber

应用新型人工气候室研究长串绝缘子的工频污闪特性

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This waveform generator has been successfully applied in ultrasonic sen-sor to generate high-frequency ultrasonic wave .

该波形发生器已经成功地应用于 超声波发射 换能器中.

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The frequency of R type in hand-clasping in Hui nationality was 49.78%, that of Han nationality was 48.42%, that of male was 26.73%, and that of female was 22.28%;

扣手R型出现率回族为49.78%，汉族为48.42%；男性为26.73%，女性为22.28%。

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Analyses of piezo-electric type transducer failure by hige frequency pressure oscillation

高频压力振荡引起压电式传感器受损现象的分析

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