frequency的例句大全

As one kind of finite nature resource being shared by human, radio frequency spectrum have the three-dimensional characteristic of the extensity, timeliness and frequency, but it is not be restricted with terrain, airspace and time.

无线电频谱作为一种人类共享的有限自然资源，具有空间、时间和频率的三维特性，又不受地域、空域、时域的限制。

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The mixed regular was found from that. Besides, the process of particle impacting one tube and frequency of the bubbles attacking the middle tube in bottom row were investigated. It was great contribution to study the tube erosion.

还分析了局部单根埋管受颗粒冲击的过程以及统计底排中部管子受气泡冲击的频率，有助于对管子磨损进一步研究。

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Period characteristics of radiated noise at high frequency is investigated by a method based on short time Fast Fourier Transformation, and propeller speed is estimated.

用短时傅立叶分析的方法研究了辐射噪声在高频段时频变化的周期性，估计了目标的螺旋桨转速。

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According to the basic theory of frequency track jamming, this paper proposes a scheme to identify and track high-speed frequency-hopping pattern based on Short Time Fourier Transform ( STFT) theory. This scheme is realized by using System On Programmable Chip ( SOPC) Technology.

本文根据频率跟踪式干扰的基本原理，提出一种基于短时傅里叶变换（STFT）的高速跳频图案的识别与跟踪方案，并采用可编程芯片系统（SOPC）技术进行了硬件实现。

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Atmospheric Pressure Glow Discharge Using 50 Hz Power Frequency Voltage

用50Hz工频电压产生大气压下辉光放电

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Design and Development of Intelligent Multi layer Computer aided Frequency Planning System

智能多层计算机辅助频率规划系统设计与开发

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The single EIT ( near a frequency) has been generalized to double or multi-ply EIT which simultaneously happens at different frequency.

将原来的单重EIT（只在某一个频率处附近发生的EIT）推广到两重或多重透明。

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The Public Communication IC Application and Management System Based on Radio Frequency Technology

基于RF技术的公交IC应用管理系统

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Atmospheric Pressure Glow Discharge Plasma in Intermediate Frequency and Its Application to Surface Modification of Textile Fibers

大气压中频辉光放电等离子体特性研究及其改性纺织纤维

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With the large-scale wind power integration, the original under& frequency load shedding scheme cannot meet design requirements any more.

大规模风电并网后，使得原有的低频减载方案存在安全隐患。

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Absolute adverbs whose number is not big, but use frequency is high, play a critical role in passing information and expressing emotions.

绝对程度副词虽为数不多但使用频率殊高，在传递信息和表达感情方面有着举足轻重的地位。

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There are mainly two kinds of interferences at this frequency band. One interference is caused by the sky wave and the other one is the near-far effect.

在此频段主要存在两方面的干扰，一是天波对地波的强干扰，二是远近效应。

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The sky wave over the horizon radar ( OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.

天波超视距雷达（OTHR）是一种利用电离层对高频信号的反射作用自上而下进行目标探测的雷达体制。

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When the inertia of the system is rather large and interceptive frequency rather low, pulses of flow and density are considered to be in phase. The paper has quoted pro.

当系统惯性较大，振动截止频率较低时，可认为流量与密度脉动同相。

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Analysised the impact response data that collected in ball firing test and in stimulant impact test in time and frequency domain, compared the results and verified the feasibility of using the impact test-bed to carry out impact test of precision optical products.

对从实际冲击环境中和冲击模拟试验中获取的冲击响应数据进行了时域和频域分析对比，验证了用本冲击试验台对精密光学产品进行冲击试验的可行性。

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Design of a high frequency true logarithmic amplifier

一种高频真对数放大器的设计

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The Study on Frequency Domain Profile Model Based on ESPRIT Algorithm

基于ESPRIT算法的频域仿形技术研究

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For ACF felt screen composites, combination element provided a design idea for increasing the effective absorption in low frequency.

因此，组合单元型为碳毡电路屏复合材料在低频区域的有效吸收提供一定的设计思路。

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Commercial FM Broadcasting stations transmit their signals in the frequency range of 88 megahertz ( MHz) to 108 MHz.

商业调频电台使用的频率，分布在88～108兆赫的波段内。

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Transmission Characteristics of Stripline in THz Frequency Band

THz频段带状线的传输特性

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