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frequency bandwidth     
相关语句
  频带宽度
     and the stalk shall be 150-200 gf, and the frequency bandwidth within ±50 gf.
     认为籽粒和粒柄间的平均抗拉强度以150~200gf为好,频带宽度应在±50gf范围内。
短句来源
     During the test process,the module operates well at more than 2GHz in -3dB frequency bandwidth.
     测试过程中 ,功能模块的光电特性及其均匀性良好 ,测量的 - 3dB频带宽度大于 2GHz.
短句来源
     The scheme can keep frequency bandwidth and symbol rate as the uncoded MFSK system.
     该方案可保证频带宽度和符号速率同未编码的MFSK系统一样。
短句来源
     Theoretically analysis shows that the effect of wavelet transforms is restricted by the parameters such as shape, length of wavelet, central frequency, bandwidth, as well as the number of wavelets, especially the relationship among shape, central frequency, and bandwidth play a key role in wavelet transform.
     理论分析表明 ,小波变换效果受到整形参数、小波长度、中心频率、频带宽度及小波个数等参数的制约 ,特别是整形参数与小波中心频率及频带之间关系对小波变换起到决定性作用。
短句来源
     Influence of Duffing system parameter on chaotic signal frequency bandwidth
     杜芬系统参数对混沌信号频带宽度的影响
短句来源
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  带宽
     2.The 3(db) frequency bandwidth is 2 c/s.
     2.3(分贝)带宽是2 c/s。
短句来源
     Gain and Frequency Bandwidth of Fabry-Perot Type GaAs GaAIAs DH Laser Amplifier
     Fabry-Perot型GaAs-GaAIAS DH激光放大器的增益和频率带宽
短句来源
     The experimental results show that the frequency bandwidth is 22.4% for a 3-dB axial ratio criterion and is 33.85% for a VSWR<2 criterion at the central frequency 10 GHz.
     获得的实测结果为:中心频率为10GHz,电压驻波比小于2的带宽为33.85%,圆极化轴比小于3dB的带宽为22.4%。
短句来源
     The minimum detectable electric field strength is 10~20 mV/m at frequency bandwidth of 3 Hz.
     器件的灵敏度在带宽为3 Hz时达到10~20 mV/m,;
短句来源
     Experimental measurement of the filter shows that the minimum insert loss is 0.25dB, the out-of-band rejection is over 70dB, the return loss is better than-16dB, and the measured result of center frequency, bandwidth and steepness of the filer shows a good agreement with the simulated result, which proves that the design method and fabrication technology of HTS filters is exact and feasible.
     实测结果显示滤波器的最小插入损耗为0.25dB,带外抑制大于70dB,回波损耗好于-16dB,实测的滤波器带宽、中心频率以及边带陡峭度也与仿真设计结果吻合很好,验证了设计方法和制作工艺的准确性.
短句来源
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  频率带宽
     Gain and Frequency Bandwidth of Fabry-Perot Type GaAs GaAIAs DH Laser Amplifier
     Fabry-Perot型GaAs-GaAIAS DH激光放大器的增益和频率带宽
短句来源
     The NIM signal frequency bandwidth of this preamplifier is up to 300 kHz, while the STM signal noise is about 0. 8 mV, which meets atomic resolution imaging requirement.
     其NIM信号的频率带宽达到300 kHz; 其STM信号的噪声约为0.8 mV,能满足原子级分辨成像的要求。
短句来源
     The overall gain Gc, the frequency bandwidth △ v1/2 and the variation of Gc with injection current are measured under the resonant condition.
     在共振放大条件下测量了总增益G_C及其随注入电流的变化,并通过G_C随入射光频率γ的变化测得频率带宽⊿v_(1/2)。
短句来源
     Surface Acoustic Wave Voltage Controll Oscillator with Low Phase Noise Wide Frequency Bandwidth
     宽频率带宽,低相位噪声声表面波压控振荡器
短句来源
     Connected with the practice of design on the integrated wiring system, this thesis will discuss three problems: the difference between frequency bandwidth and transmitted velocity, the selection of shield and non shield twisted pair, the design of systematical protection on electricity.
     结合综合布线系统设计实践 ,论述了频率带宽与传输速率的区别 ,屏蔽与非屏蔽双绞线的选择及系统电气防护设计三个问题。
短句来源
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  频带
     Power line carrier(PLC) communication in the frequency bandwidth between 40kHz and 500kHz is a very important facility of the Power System Control Operating & Management.
     40kHz~500kHz频带内进行载波通信是电力系统运行、控制和管理的一种重要工具。
短句来源
     Its VSWR is less than 2:1 at frequency bandwidth of 40 percent and its directional gain is about 15 dB. The dual linear polarization isolation of the antenna can be obtained
     它不仅在40%的频带内驻波系数小于2,方向增益恒定在15dB左右,而且能夠实现双极化隔离。
短句来源
     Theoretically analysis shows that the effect of wavelet transforms is restricted by the parameters such as shape, length of wavelet, central frequency, bandwidth, as well as the number of wavelets, especially the relationship among shape, central frequency, and bandwidth play a key role in wavelet transform.
     理论分析表明 ,小波变换效果受到整形参数、小波长度、中心频率、频带宽度及小波个数等参数的制约 ,特别是整形参数与小波中心频率及频带之间关系对小波变换起到决定性作用。
短句来源
     Artificial Neural Network (ANN) method is proposed to use in active control system after the analysis of the effective frequency bandwidth of TMD control system.
     在分析了被动TMD用于风振控制存在有效频带窄的问题后,提出了采用神经网络提供主动控制力的主动控制方法。
短句来源
     Based on the above, a new method for deducing PD pulse currents with the time integral of its radiating UHF signals is presented, and the influence of UHF measuring system frequency bandwidth on the algorithm is also discussed.
     在此基础上,提出了利用检测UHF信号的时间积分反演PD点脉冲电流的新方法,并讨论了UHF 传感器及检测系统频带对PD脉冲电流推测算法的影响。
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  frequency bandwidth
Findings show that MnO2 is a kind of dielectric loss media with broad frequency bandwidth.
      
Second, random acoustic inputs are used, and the effect of varying the overall sound pressure level and frequency bandwidth are investigated ((SPL,
      
This paper proposes a novel method for evaluating the dynamic characteristics of shock accelerometers under high acceleration levels and a wide frequency bandwidth.
      
The UWB impulse sensor operates over multiple pulse durations from 450 to 1170 ps with 5.5-GHz radio-frequency bandwidth.
      
Obtainable down and cross range resolutions, insofar as they are related to acquisition, are determined by the frequency bandwidth of the GPR equipment, the temporal and spatial sampling rates and the accurate knowledge of the antenna positions.
      
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