频的例句大全

A Broad Bandwidth Dual-polarization Low Side-lobe Offset Fed Paraboloidal Reflector Antenna

宽频带双极化低副瓣偏馈抛物面天线

In consideration of the effect of liquid dynamic pressure on the tubing string vertical vibration, the differential equation and frequency equation for describing the vibration are set up.

考虑液动压力对油管柱纵向振动的影响，建立了油管柱纵向振动微分方程，并给出了这种情况下油管柱纵向振动的频率方程。

Study on Fault Vibration Frequency Spectrums of the Felt Stretcher Roll in a Modern Wide Paper Machine

宽幅纸机毛毯张紧辊特征故障振动频谱研究

An adaptive orthogonal frequency division multiplexing ( OFDM) scheme is described with a simple space time coded transmit diversity for frequency selected fading channel by combining adaptive modulation with spacial diversity.

将自适应调制技术和空间分集技术有机地结合起来，提出了一种与简单空时编码发射机分集相结合的恒定比特率自适应正交频分复用（OFDM）方案。

No significant differences of genotype and allele frequencies between the matched groups were found.

各相匹配组间比较未发现基因型和等位基因频率的显著性差异。

Rectangular wave exported by medium frequency power supply is matched load by a export network.

中频电源输出40kHz对称矩形波，通过输出网络与负载匹配。

Blind Detect Algorithm Based on Matched Filtering for Fragile Digital Audio Watermarking

基于匹配滤波的脆弱数字音频水印盲检测算法

A matched filtering method for frequency modulated continuous wave

调频连续波的一种匹配滤波处理方法

The primary study for application of optimum matching frequency method in signal processing

采用最优频率匹配法处理信号

A new method of least square is raised in curve fitting of flood frequency calculating and its specific properties are analysed.

提出了在洪水频率计算时适线法中最小二乘方的一种新的求解方法，并对其特性进行分析。

Harmonic suppression, non periodic and non closing in straightness profile error that bring about harmonic component distortion in slide error motion measurement are analyzed in detail.

分析了经典频域三点法测量直行部件运动误差时所存在的谐波抑制，直线度误差的非周期性、非封闭性以及端点不连续而引起的高阶谐波分量失真等方法误差。

This paper comes from the Cloud Platform controlling board, which is a part of HD_VCR Video Monitoring System.

本论文选题来源于数字式硬盘录像机视频监控系统项目中云台控制以及摄像镜头控制的功能块。

Design of Interface of Controlling Board and Decoder in Video Monitor System

视频监控系统控制键盘与解码器的接口设计

Air for example is a higher vibration than the physical body meaning the particles vibrates at a faster rate making them invisible to the eye.

举例说，空气的震动频率比身体高意味着能量微粒以更快的速度震动以至于肉眼看不见。

A Algorithm of Finding Frequent Item Sets Based on Binary Coding

一种基于二进制编码的频繁项集查找算法

Microwave photonic filters are the key component in the system of photonic signal processing of microwave signals. It uses optical fiber and integrated photonic devices to carry out the filtering of clutter and noise from the wanted signal.

微波光子学滤波器作为全光微波信号处理系统的核心器件，利用光纤和光器件使有用的微波信号通过而抑制噪声和无用的微波频率信号。

Our simulation results show that the proposed scheme can reduce the reserved bandwidth and the blocking ratio when comparing to the tree routing approach.

模拟结果显示，相较于树状架构，所提出之方法具有较低的建置失败率和总预留频宽量。

FINITE ELEMENT CALCULATION AND ANALYSIS OF RIBBED SLAB CRACK FOR BLOWER CASING Application of Frequency Conversion Variable Speed Technology on Roots Blower for Mechanical Shaft Kiln

风机壳体筋板开裂原因分析与有限元计算变频调速技术在机立窑罗茨风机上的应用

More than two-fifths of Britons now go out to licensed premises to drink less often than before the ban, a Nielsen survey shows.

尼尔森的调查显示，如今，超过五分之二的英国人外出到有许可证的场所喝酒的频率比实施禁令前降低了。

Blocking Effects Reduction in Transform Coding with Compensation in Frequency Domain

一种消除变换编码方块效应的频域补偿技术