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broad bandwidth
相关语句
  宽带
     Research and application of ADSL broad bandwidth accessing technology
     ADSL宽带接入技术的研究与应用
短句来源
     Research and application of HFC broad bandwidth IP accessing technology
     HFC宽带接入技术的研究与应用
短句来源
     Broad Bandwidth WAN Based Distributed Multimedia Service System
     基于宽带广域网的分布式多媒体服务系统
短句来源
     A Broad Bandwidth 200 MHz SAW Delay Line
     200兆赫宽带延迟线的研制
短句来源
     EPON (Ethernet Passive Optical Network) technology represents the convergence of mature Ethernet technology with PON and is regarded as the best candidate technology of next generation access network because of its low-cost, broad bandwidth, simple maintenance, excellent performance-to-cost ratio and providing multi-service.
     以成熟的以太网技术为基础的以太无源光网络EPON(Ethernet PON)采用点到多点结构、无源光纤传输,能够在以太网之上提供多种业务。 它综合了无源光网络PON技术和以太网技术的优点,具有成本低、兼容性好、技术成熟、便于维护、承载业务灵活等特点,成为解决接入网“最后一公里”问题的下一代宽带接入网的最佳方案之一。
短句来源
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  宽频带
     Beam Steering and Field Analysis with 2D Phased Arrays for Broad Bandwidth Application
     宽频带2D相控阵声束特性及脉冲场分析
短句来源
     Design of Ku band broad bandwidth microstrip antenna
     Ku波段宽频带微带贴片天线的单元设计
短句来源
     They have the characteristics of broad bandwidth (>100MHz), short durations (<100ms), very high polarization degrees (~100%), positive frequency drift rates (>1 GHz/s), and fast pulsations (with a period of about 100 ms). Their time profiles are also analyzed.
     它们具有宽频带 (>1 0 0MHz)、短时标 (<1 0 0ms)、高偏振 (1 0 0 % )、短周期脉动 (百毫秒 )、内向快速频率漂移 (高于 1GHz/s)等显著特征 .
短句来源
     At first related spectral parameters of random stresses to influence fatigue are studied. Then it is analyzed how the bandwidth affects the above parameters. Finally the fatigue enhancement mechanism of the broad bandwidth characteristic is illustrated.
     针对该振动环境的宽带特性对疲劳失效的强化作用进行了讨论,首先研究影响随机应力疲劳强化效能的相关统计参数,然后分析随机应力的频谱带宽如何影响这些统计参数,最后得到频谱带宽对疲劳强化效能的影响,由此揭示全轴随机振动环境宽频带特性的疲劳强化机理。
短句来源
     RESEARCH OF BROAD BANDWIDTH MICRO-CURRENT SENSOR CHARACTER FOR INSULATOR LEAKAGE CURRENT MONITORING SYSTEM
     一种用于绝缘子泄漏电流在线监测的宽频带微电流传感器的特性研究
短句来源
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  宽频带
     Beam Steering and Field Analysis with 2D Phased Arrays for Broad Bandwidth Application
     宽频带2D相控阵声束特性及脉冲场分析
短句来源
     Design of Ku band broad bandwidth microstrip antenna
     Ku波段宽频带微带贴片天线的单元设计
短句来源
     They have the characteristics of broad bandwidth (>100MHz), short durations (<100ms), very high polarization degrees (~100%), positive frequency drift rates (>1 GHz/s), and fast pulsations (with a period of about 100 ms). Their time profiles are also analyzed.
     它们具有宽频带 (>1 0 0MHz)、短时标 (<1 0 0ms)、高偏振 (1 0 0 % )、短周期脉动 (百毫秒 )、内向快速频率漂移 (高于 1GHz/s)等显著特征 .
短句来源
     At first related spectral parameters of random stresses to influence fatigue are studied. Then it is analyzed how the bandwidth affects the above parameters. Finally the fatigue enhancement mechanism of the broad bandwidth characteristic is illustrated.
     针对该振动环境的宽带特性对疲劳失效的强化作用进行了讨论,首先研究影响随机应力疲劳强化效能的相关统计参数,然后分析随机应力的频谱带宽如何影响这些统计参数,最后得到频谱带宽对疲劳强化效能的影响,由此揭示全轴随机振动环境宽频带特性的疲劳强化机理。
短句来源
     RESEARCH OF BROAD BANDWIDTH MICRO-CURRENT SENSOR CHARACTER FOR INSULATOR LEAKAGE CURRENT MONITORING SYSTEM
     一种用于绝缘子泄漏电流在线监测的宽频带微电流传感器的特性研究
短句来源
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  “broad bandwidth”译为未确定词的双语例句
     This cascaded device can get a noise figure NF≤3 dB,gain G about 72 dB and broad bandwidth of 100~1000 MHz.
     该级联器件的噪声系数为NF≤3dB,增益G为72dB,带宽范围为100~1000MHz。
短句来源
     Broad bandwidth signal detection scheme for high precision fiber optic gyroscope
     高精度光纤陀螺高带宽信号检测方案
短句来源
     The experiment results show that the Er~(3+)-doped oxyfluoride tellurite glass has not only good thermal stability(ΔT=156.6 ℃),but also broad bandwidth(FWHM=72 nm),longer fluorescence lifetime(τ=4.9 ms) and flatting gains.
     实验发现,获得的氧氟碲酸盐玻璃具有优良的热学稳定性(ΔT=156.6℃),宽的荧光半峰全宽(72 nm),长的荧光寿命(τ=4.9 ms)以及良好的平坦增益特性。
短句来源
     Terahertz radiation generated by ultra short laser pulses has a broad band width in the far-infrared band.
     由超短激光脉冲产生的THz脉冲是具有较宽频带的电磁辐射,属于远红外波段,该波段电磁波与物质的相互作用是个崭新的研究领域.
短句来源
     The novel modulator can achieve a broad bandwidth,low half-wave voltage,and good impedance match.
     结果表明,后者性能优于前者,但两种电极的光纤型调制器都可获得大带宽、低半波电压和良好的阻抗匹配。
短句来源
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  broad bandwidth
Appropriately choosing the radius and number of separated rows yields a broad bandwidth for one range of wavelengths.
      
Cosmic Microwave Background Polarization Detector with High Efficiency, Broad Bandwidth, and Highly Symmetric Coupling to Transi
      
Using Personality Constructs to Predict Performance: Narrow or Broad Bandwidth
      
Therefore, Co2Z barium ferrite with large particle is more suitable for EM materials with high attenuation and broad bandwidth at microwave frequency.
      
Broad bandwidth, high transmit/receive response, low cost of fabrication, mechanical ruggedness, and the ability to form conformal shapes make this material both a unique and intriguing medium for the sonar transducer designer.
      
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In this paper, from the microwave network equivalent circuit point of view, we propose a design method of output circuit of broadband klystron which is made of two stage filters. According to this method, we can get a group of design parameters cor-responding to the broadest bandwidth with given real part of interaction impedance. It is proved experimentally that this method is feasible.

本文从等效电路和微波网络理论出发,提出了具有两节滤波器的速调管宽带输出段的设计方法,根据该方法,在给定的阻抗实部R~*下,可求得频宽最宽的一组设计参数。实验证明该方法是可行的。

The microwave solid-state noise diode presented in this paper is designed based on Hines' avalanche noise theory of Read diode, and Haitz' and Voltmer's expression for the noise spectral power density at microwave band.Various design considerations, such as excess noise, avalanche frequency, frequency-dependant excess noise, temperature-dependant excess noise and diode impedance. Based on such a design, a specific solid-state noise diode is developed, whose noise performance is controllable. A microwave coaxial...

The microwave solid-state noise diode presented in this paper is designed based on Hines' avalanche noise theory of Read diode, and Haitz' and Voltmer's expression for the noise spectral power density at microwave band.Various design considerations, such as excess noise, avalanche frequency, frequency-dependant excess noise, temperature-dependant excess noise and diode impedance. Based on such a design, a specific solid-state noise diode is developed, whose noise performance is controllable. A microwave coaxial solid-state noise source using this diode is also made, featuring broad bandwidth, small size, light weight, variable noise output and low power consumption.

本文根据Hines雪崩噪声理论,提出了微波固体噪声二极管参数的设计考虑。分析了据此研制成的噪声性能可控的固体噪声二极管,及用它制成的微波宽带同轴噪声源的主要特性。最后讨论了以Hines雪崩噪声理论为基础的二极管设计的可行性和存在的问题。

By using two channels of IDTs with different synchronous frequenci-es,A broad bandwidth 200 MHz SAW delay line has been developed, the fractional bandwidth of 34% at 200 MHz is realized.

本文提出采用两路换能器并联实现宽带的设计方法,并制成了相对带宽为34%的高频延迟线.

 
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