研制宽频带的吉赫横电磁波传输室,其高频输入接头的设计尤为关键。
The design of high frequency input connector is especially important for the development of wide band gigahertz TEM cell (GTEM cell).
本发明提供一种适用于高频频带、宽频带的天线用铁氧体烧结体及磁性体天线。
To provide a ferrite sinter for an antenna suitable for use in a high frequency band and a broad band and to provide a magnetic material antenna.
本文介绍了一种扇形微带宽频带的短路元件的设计方法及其在偏置电路中的应用。
This paper describes a design method of microstrip elements with wide-band short-circuits, and their applications in the bias circuits.
本文叙述了一种大功率、宽频带的高声强声源,其额定输出功率为6000声瓦。
This paper describes an acoustic generator with high power and wide bandwidth. The electrophneumatic Loudspeaker has normal power output up to 6000 acoustic watts.
局、矿远程图形、图象实时双向传输需要宽频带的传输信道,光纤光缆信道是理想的选择。
Optic cable is ideal when wide band transmission channel is required to implement realtime dual transmission of bureau, mine remote picture and image.
双锥取样器是一种超宽频带的取样器件。本文进行了理论分析、给出了设计公式及其某些测试结果。
The biconical sampler is an ultra-wideband sampling device. The present paper performs the theoretical analysis, presents the formulas of design and some test results.
为了在一次计算中抽取宽频带的散射参量,引入特征阻抗的概念用于分离入射电压波和反射电压波;
In order to extract wide-band scattering parameters by one computation, the concept of characteristic impedance is introduced to separate transmitted and reflected voltage waves.
凯莉·卡崔布尔,堪培拉的澳洲国立大学的一名女研究员,说道这项设计很有前景因为研究的是宽频带的光谱。
Kylie Catchpole, a research fellow at the Australian National University in Canberra, says the design is promising because it works over a broad band of the spectrum.
针对超高频机载合成孔径雷达天线小型化、高增益和宽频带的问题,分析了短背射天线缩小背腔的增益损失。
To meet the requirements of miniaturization, high gain and wideband of UHF antenna for aircraft SAR, the gain loss produced by narrowing back cavity of short back radiation antenna is analyzed.
第一章前言中简要介绍了研究背景、智能天线的特点和常用的智能天线阵列形式,并提出了天线实现宽频带的方法。
The characteristics of smart antenna and the style of the arrays and the means to achieve wideband are discussed in research background.
本文首先介绍了微带天线的理论分析方法和数值分析方法,并总结了微带天线小型化、多频段以及展宽频带的各种技术。
First, this article introduces some theoretical methods and numerical methods to analyze microstrip antenna and sum up some techniques for miniaturization, multi-frequency and broadening the band.
分析结果表明:在多信号输入时,输出功率中确实有输入信号的互调制分量产生,同时可以发现,对于宽频带的行波管,互调制分量对主工作频率输出功率有比较大的影响。
The results show that: when two signals are inputted into TWT, the output power includes the intermodulation components, and the intermodulation components have important effect on broadband TWT.
IAB预计,由于宽频带来新的广告形态越来越有吸引力,互联网广告消费将继续增长。
The IAB expects online spending to continue to grow, as faster broadband makes new formats increasingly attractive.
椭圆形平板天线有结构简单、频带宽、馈电相对简单等优点,可以满足小型化天线同时具有宽频带和高增益的要求。
The elliptical planar monopole antenna has the advantages of simple structure, wide band and relatively simple feed, so it can meet the demands of wide-band and high-gain at the same time.
采用自动增益控制(agc)技术实现的宽频带放大器在雷达系统及其他相关电子领域有着广泛的应用。
Wideband amplifier, realized by the technology of automatic gain control (AGC), is used widely in radar system and other correlative electronic fields.
并且,实现阵列的宽频带和高增益及阵元间的互耦分析将是研究的重点。
The research emphasizes the wideband, high gain and analysis of the mutual coupling of microstrip antenna elements.
螺旋天线不仅在宽频带上具有近乎一致的电阻性输入阻抗,而且在同样的频带上按超增益端射阵的波瓣图工作。
Helical antenna has not only almost identical to the resistive input impedance in broad bandwidth, but also works by the end of super-gain front lobed map in the same frequency band.
针对超声探伤的特点,设计了低噪声、宽频带、动态范围大的接收调理电路。
Aimed at the characteristics of ut, a receive and adjust circuit is designed, which have character of low noise, wideband, wide dynamic range of input.
讨论了色散在宽频带脉冲对人体作用中的影响。
The effect of dispersion of broad band electromagnetic pulses is discussed.
采用空心梁结构不仅能产生应力集中而且能减少梁的自身质量带来的影响,可以有效地展宽频带。
The hollow beam construction not only produce the stress concentration, reduce the effect of beam mass but also extended the bandwidth.
用于电磁兼容试验的宽频带天线有很多类型,如双锥天线、对数周期天线、螺旋天线、喇叭天线等等。
There are all kinds of antennas used in EMC test such as biconical antennas, log periodic antenna, helical antenna, ridged horn antenna and etc.
文中提供全部网络元件值的估算和预测闭环宽频带增益、带宽和双端口的匹配值。
Thepaper presented leads to estimates of all network element values and predicts theclosed loop broad band gain, bandwidth, and quality of both ports.
新建国家数字地震台网所使用的CTS 1甚宽频带地震计是一种具有甚宽频带、大动态范围、高灵敏度负反馈地震计。
The CTS-1 very broadband seismometer employed in New State Digital Seismic Network is a seismometer of very broadband, large scale dynamic and high sensitive feedback.
该文介绍用双脊波导作信号端制作毫米波宽频带混频器的设计方法。
A design method of mm wave mixer with double ridged waveguide used as signal port has been presented.
重建宽频带信号的唯一办法就是按照正确的时间差把它的所有窄频带组成部分组合起来。
The only way to reconstruct a broad-band signal is to add its narrow-band components together by taking into account the correct time-lag between them.
微波yig多晶铁氧体材料的发展趋势之一是宽频带、低损耗、高功率材料。
One of the development trends of microwave YIG polycrystalline ferrite material is wide band, low loss and high power material.
本文主要叙述了平面等角螺旋天线的宽频带特性和工作原理,并简要介绍了它的设计方法。
This paper mainly describes the wideband property and operating concept of the antenna, and briefly introduce its design method.
研究了水下宽频带信号时延和尺度的估计问题。
The estimation of time delay and scale of wideband echo is addressed.
它包含两对宽频带,高电压,电流模式反馈放大器优化的低功耗,在DSL系统。
It contains two pairs of wideband, high voltage, current-mode feedback amplifiers optimized for low power consumption in DSL systems.
它包含两对宽频带,高电压,电流模式反馈放大器优化的低功耗,在DSL系统。
It contains two pairs of wideband, high voltage, current-mode feedback amplifiers optimized for low power consumption in DSL systems.
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