通信技术中使用的光纤，由于其低耗与宽带特性，能较好地满足这种要求。
The optical fiber communication technique is well suited to a large delay time, due to the low attenuation and chromatic dispersion of the fiber, and to its high bandwidth.
对实际SAW滤波器模拟计算表明，本算法精确简便，在频域与传播范围上皆具宽带特性。
The simulation proves that this method is very precise and can be used in design and compensation of high performance wideband SAW filters.
通过论证自互补结构天线的输入阻抗基本与频率无关的角度证明了该天线具有超宽带特性。
Showing that frequency is little related to input impedance of the mutual-complementary antenna, antenna of this type is a ultra wide band one.
本文根据方位扫描X波段相控阵天线设计的需求，研究了具有宽带特性的串联馈电微带天线阵。
In this thesis, based on the requirement of azimuth scanning X-band phased array antenna design, micro-strip antenna array that has wideband characteristic is studied.
时延特征参数作为反应无线信道宽带特性的关键参数，对多载波系统的设计具有重要的指导意义。
As the key parameters to reflect the wideband channel characteristics, the parameters involved delay propagation play an important role in the design of multiple carries systems.
在存在着各种干扰和多经衰落的无线环境中，扩频信号的宽带特性使得系统的性能得到明显的改善。
In radio environment of existing variable disturbtion and muti-way declining , expand frequence signal's broadband characteristics can improve system performance obviously.
ADSL技术是一种调制技术，在双绞铜线的两端分别接入adsl调制解调器，即可利用其高频宽带特性传送高速数据。
ADSL is one of the modulation techniques. Using the wideband capacity in copper twisted-pair cable, high speed data can be transmitted on the subscriber line.
由于双脊喇叭天线不仅具备超宽带特性，还具有体积小、增益和口径效率高等优点，因此本文选双脊喇叭天线作为所要设计的超宽带天线。
Since the double-ridged horn antenna owns many seductive characteristics, such as ultra broadband, relatively small size, high calibre efficient and gain etc.
最近研究表明许多宽带服务缺少基本的安全特性。
A recent study shows many broadband services lack basic security features.
共集-共基组合放大电路具有更好的宽带放大特性。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic.
共集-共基组合放大电路具有良好的宽带放大特性，既可以作为缓冲级又能够提供一定的电压和电流增益。
The CC-CE combined amplifier has the nicer wide band magnifiable characteristic qua the buffer and gives some gains in voltage and electric current.
对宽带倍频光的光束匀滑及聚焦特性的研究，可为实现靶面均匀辐照提供参考。
The study on the beam smoothing and the focusing properties of the broadband harmonic field can provide valuable reference to the experiment.
分析了超宽带冲激脉冲雷达与连续波雷达的不同的回波特性，指出冲激脉冲雷达对超低空目标探测的潜在优势。
Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.
研究了人体对超宽带天线特性的影响。
The influence of human body on the characteristics of Ultra Wideband antenna is studied.
同轴电缆-一种应用在宽带数据和有线电视系统中的电缆，它具有非常优良的宽带频率特性，能消除杂音且有物理耐久性。
Coaxial cable - a type of cable used for broadband data and cable systems, with excellent broadband frequency characteristics, noise immunity and physical durability.
通过对掺铒光纤放大自发辐射谱特性和LD驱动电路的分析，最终研制出用于光纤光栅传感系统的宽带光源。
We prepared broadband source of transducer system in fiber grating by analyzing characteristics of amplification spontaneous radiation spectrum and LD drive in erbium doped fiber.
基于线性啁啾脉冲的特性，建立了一种描述非均匀加宽系统中宽带啁啾激光脉冲放大的理论计算模型。
Based on the characteristics of linearly chirped pulse, a numerical model for amplification of broadband chirped pulse in the inhomogeneous broadening system has been established.
本文提出用于声光器件的窄带及宽带匹配网络，并详细讨论了它们的特性。
This article presents the narrow band and broad band matching networks for acoustooptic devices Their characteristics are discussed in detail.
第二，路由交换设备必须具有良好的组播支持能力，用于支撑具有动态组播特性的宽带流媒体网络承载业务；
Second, they should be able to support multicast, which can be used for carrying broadband multimedia network traffic with dynamic multicast characteristic.
混沌信号具有遍历性、非周期、连续宽带频谱、似噪声的特性。
Chaotic signal has the properties of ergodicity, nonperiodicity, continuous broadband power spectra, and noise like etc.
平面单极性天线可用来提供很高的的阻抗带宽特性，应用于目前或将来的宽带系统中。
The planar monopole antenna provides extremely high width impedance characteristics which has been proposed for modern and future wideband wireless applications.
讨论了宽带plc接入网的结构，plc信道特性以及PLC使用的调制技术。
Discusses about the structure of PLC broadband access network, the character of PLC channel and the modulate technology used in PLC.
宽带宽角特性是电磁研究领域具有重要意义的课题。
Wide-band & wide-angle characteristic is a significant topic in electromagnetic field.
但从技术实践来看，HFC表现出来的并不完全是宽带的特性。
But practice shows that HFC does not always behave as a broadband network as we think.
同时，混沌信号具有遍历性、非周期、连续宽带频谱、似噪声的特性，特别适合于保密通信。
On the other hand, the dynamic properties of chaos signal such as ergodicity, aperiodic, uncorrelated, broadband and noise-like have been proved to be useful for communication.
介绍采用微波混频器的上变频特性实现宽带平方电路的设计方法与具体实现，主要用于高码速率QPS K信号的载波恢复。
An introduction of the design and implementation of a broad-band square circuit is given, which is used to recover the carrier of the high speed QPSK signal.
本文从信道的统计特性出发，介绍了仿真研究所用的一种新的电离层宽带信道数学模型——ITS模型。
On the ground of the channel statistical characteristic, this paper introduces a new wideband channel model, ITS channel model, which is used by the emulation.
讨论了光丝长距离传输特性在超宽带激光雷达和激光引导闪电等方面的潜在应用。
The potential application of filament in ultra-wide-band lidar and laser induced lightning is also analyzed.
提出了一种MESFET开关的模型——附加栅控开关模型，适用于MMIC电路的设计，具有很好的宽带微波特性。
This paper discusses a switching model of GaAs MESFET. It is suitable for MMIC design with broad frequency characteristic.
提出了一种MESFET开关的模型——附加栅控开关模型，适用于MMIC电路的设计，具有很好的宽带微波特性。
This paper discusses a switching model of GaAs MESFET. It is suitable for MMIC design with broad frequency characteristic.
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