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谱能量
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  spectrum energy
     The second compensates the spectrum energy with the learning algorithm of Bayesian net, and makes a excellent estimation of spectrum energy. The speech recognition system accuracy is improved by 4.21% in 10dB SNR white noise environment.
     第二种方法是通过贝叶斯网络的学习算法迭代估计语音的谱能量,这种方法对谱能量的做了很好的估计,识别系统在信噪比10dB的白噪声环境下识别正确率比不做能量补偿的系统提高4.21%。
短句来源
     The first chooses RASTA-PLP energy which is estimated using MMSE instead of spectrum energy as energy feature. In 10dB SNR white noise environment, when compared to systems with no energy compensation modules, this method improves speech recognition system accuracy by 2.82%.
     第一种是用MMSE估计的RASTA-PLP能量替代谱能量,通过这种办法可使识别系统在信噪比10dB的白噪声环境下的识别正确率比不采用任何能量补偿的系统提高2.82%。
短句来源
     The results indicate that the relative distribution of the field wind wave directional spectrum energy is closely related to the corresponding types of wave state.
     结果表明,实测风浪方向谱能量的相对分布与相应的波场类型密切相关。
短句来源
     estimation thin-bed thinckness(including relative amplitude-time thinckness, indirect amplitude, seismic reflection characteristic-point, product of integral amplitude and the apparent interval travel time, narrow band filter wave, demarcation curve and amplitude spectrum energy methods);
     薄层厚度求取的主要方法有:相对振幅—时间厚度法、间接振幅法、反射波特征点法、积分振幅与视时差乘积法、窄带滤波法以及标定曲线法和振幅谱能量等方法;
短句来源
     This paper described briefly the calculation of several parameters such as Burg spectrum energy, the dominant frequency of amplitude spectrum, the product of amplitude and dominant frequency, and the principles in application of these parameters in lateral reservoir prediction.
     考虑到含油气储集体可使其主频和平均中心频率向低频方向偏移,简单介绍了Burg谱能量、振幅谱主频、振幅×主频等参数的提取方法,以及应用这些参数作储层横向预测的原理。
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  spectral energy
     Moreover, the exposed group to noise at level 131 dBSPL the spectral energy of frequency band af 0-200Hz decreases significantly (P<0.01) , and the spectral energies of frequency band at 210-500 Hz and 910-1400 Hz are markedly increasing (P<0.01).
     131dBSPL噪声暴露组0-200Hz频段谱能量显著下降(P<0.01),但210-500Hz、910-1400Hz频段谱能量却明显增多(P<0.01).
短句来源
     Spectral energy ratio (SER) is defined as the ratio of the energy of PSG below 10Hz to that above 10Hz.
     谱能比 ( SER)被定义为脉搏功率谱上 1 0 Hz以下的谱能量与 1 0 Hz以上谱能量的比值。
短句来源
     The spectral energy below 5Hz in healthy people is more than 90% of all spectral energy.
     健康人5Hz以内的谱能量占总能量的90%左右,高血压仅占61%左右。
短句来源
     The relay algorithm is designed with the wavelet technology that fits for transient signal analysis. Traveling-wave components are extracted from fault-induced signals with wavelet multi-resolution analysis, and the wavelet transform spectral energy (WTSE) represents the energy of traveling-wave component.
     该继电器的实用算法采用了适合暂态信号处理的小波技术,由小波多分辨分析来提取行波分量,并将行波分量的能量表征成小波变换谱能量(WTSE)。
短句来源
     So a new algorithm with rectangle loops Fourier spectral energy percentage is proposed by analyzing the conjugate symmetry of Fourier transform.
     因此,根据傅里叶变换的共轭对称性,提出了更具有一般性的长方环傅里叶周向谱能量百分比新算法。
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  spectral energies
     In comparison with the control group, the exposed group to noise at level 125 dBSPL the spectral energies of frequency band at 0-200 Hz and 210-500 Hz are increasing(P< 0.05), and the spectra energy of frequency band at 510-900 Hz decreases remarkably (P<0.01).
     研究结果表明:125dBSPL噪声暴露组0—200、210—500Hz频段谱能量比对照组相应频段谱能量增多(P<0.05),而510—900Hz频段谱能量却显著下降(P<0.01);
短句来源
     Moreover, the exposed group to noise at level 131 dBSPL the spectral energy of frequency band af 0-200Hz decreases significantly (P<0.01) , and the spectral energies of frequency band at 210-500 Hz and 910-1400 Hz are markedly increasing (P<0.01).
     131dBSPL噪声暴露组0-200Hz频段谱能量显著下降(P<0.01),但210-500Hz、910-1400Hz频段谱能量却明显增多(P<0.01).
短句来源
     In this method, the fault transient components at the neutral and terminal are discomposed by the wavelet transform at different scales; the sum and difference of the coefficients of wavelet transform are chosen as the action and restraint signals; their spectral energies at different scales are compared to detect the ground fault.
     该方法在不同尺度下对两侧零序电压的故障分量进行小波变换 ,将高频部分之和与差分别作为保护的动作信号和制动信号 ,计算数据窗内相应信号的谱能量作为保护的动作量和制动量 ,通过比较动作量和制动量的大小检测发电机单相接地故障。
短句来源
  “谱能量”译为未确定词的双语例句
     Long code I differs from M and A on the duration which is more than 300 ms, MPF of long code I is changable between 2.7-7.2 kHz, and the energy well-distributed in frequency band 0-14 kHz.
     长码I与M,A的不同点是持续期多在300ms以上,MPF为变频特征,在2.7—7.2kHz之间变化,谱能量较均匀地分布在0—14kHz频带内。
短句来源
     A dual-channel detector performing bi-spectrum detection and energy detection is constructed using second and third order statistics.
     采用二阶、三阶统计联合分析的方法,把双谱能量检测器与常规能量检测器联合构成一种双谱双通道检测器。
短句来源
     The power spectrum indicated a significant increase (P<0. 05) in energy of the components in the 0-200Hz range and a more significant decrease(P<0.01)in the 510-900Hz range.
     功率谱表明,与正常成年豚鼠相比较,0~200Hz、510~900Hz频段谱能量有显著性差异(P<0.05、P<0.01)。
短句来源
     In contrast with ABR frequency spectra,in the frequency spectra with main single waves of AEP of every nucleus there were three energy peaks:F 0,F 1,F 2,which showed differently decreasing—the main decreasing showed in F 2 of lower brain stem spectrum (P<0.01) and in F 1 of higher brain stem spectrum (P<0.01);
     与ABR 频谱相比,AEP各主波单波频谱均存在三个谱能量集中区,即F0 、F1 和F2 ,但三谱峰值有不同程度下降,低位脑干以F2 下降明显(P< 0 .01) ,高位脑干以F1 下降明显(P< 0 .01) ;
短句来源
     The results indicated that the normal ABR spectral content was distributed around 50 ̄2000 Hz and characterized by three energy peaks:f0,f1 and f2.their frequencies being about 187,695 and 1103 Hz respectively.
     实验证明:正常豚鼠90dBSPL短声诱发的ABR,呈现波Ⅰ、Ⅱ、Ⅲ、Ⅳ,通过平均功率谱分析,ABR频谱范围在50~2000Hz,有3个谱能量集中区,f0主峰中心频率为187.47±27.68Hz,f1为695.82±103.40Hz,f2为1103.67±81.55Hz。
短句来源
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  spectrum energy
One is that the elementary analyses or the experimental measurement on the mass attenuation coefficients were not specified in regard to spectrum energy distridutions(1).
      
Effective dose of A-bomb radiation in Hiroshima and Nagasaki as assessed by chromosomal effectiveness of spectrum energy photons
      
The effective dose of combined spectrum energy neutrons and high energy spectrum γ-rays in A-bomb survivors in Hiroshima and Nagasaki has long been a matter of discussion.
      
The effective dose of reactor-produced spectrum energy neutrons was insensitive to the fine structure of the energy distribution and was accessible by a generalized formula applicable to the A-bomb neutrons.
      
The total spectrum energy and the energies of three frequency bands (0-0.5?Hz, 0.5-2?Hz, 2-20?Hz) were determined.
      
更多          
  spectral energy
Calculation of absolute values of the spectral energy density of polychromatic radiation
      
The average spectral energy distribution for these galaxies agrees with the distributions for galaxies with active star formation.
      
We show that the spectral energy distribution of the variable component in the range from K to B had remained unchanged for three years.
      
The spectral energy distribution for the variable source (λ950-5500 ?) agrees well with two Planck distributions: Te = 65 000 (λmax = 450 ?) and 8000 K.
      
Our analysis of the spectral energy distributions for the galaxy has shown that the observed radiation in the range 1.25-5 μm can be represented as the sum of radiations from two blackbody sources.
      
更多          
  spectral energies
Spectral energies in different frequency bandwidths are correlated with the aortic valve size parameter obtained echocardiographically.
      
The spectral energies and intensities of deep level transitions reported here provide a characteristic indicator of ZnSe epilayer stoichiometry and near-interface defect densities.
      
In both cases, the highest maxima dominate over the noise level and the spectral energies seem to have the same modulation found in the previous band.
      
Loudness vectors were computed as a short-term criticalband power spectral energies compressed by the cubic-root nonlinearity.
      
Typically, spectral energies are repressed in regions of damping, unlike the results inferred in TFTR.
      
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本文对1963年武仙座新星的一次“氮闪”光谱作了分光光度测量.表2—表4列出发射带等值宽度、相对强度和连续谱能量分布的测量结果.分析测量结果发现“氮闪”谱同“氮闪”前光谱相比有如下特征:(1)“氮闪”时,容许跃迁的谱带强度高电离的比低电离的明显增强;禁戒跃迁的谱带强度高电离的比低电离的明显减弱.(2)“氮闪”耐,连续谱的强度相对发射带有所增强;并且连续谱的蓝区比红区增强得厉害,即色温度增加.根据上述“氮闪”谱的特征,我们对“氮闪”现象的解释提出如下意见:(1)“氮闪”的主要特征,NⅢ 4640 波长处谱带的增强与变漫乃是由于 NⅢ 4640、CⅢ4647和 CⅣ 4659等高电离谱带的加强与重叠的结果.(2)“氮闪”现象的产生是由于“氮闪”前新星发生了一次小的爆发.随后,这个被抛射的小壳层逐渐膨胀和稀薄,于是在某个时候出现了“氮闪”现象.

In this paper the continuum energy distribution of QSO's is obtained, Using the data of reliable three colours photometry and the redshifts of 235 QSO's published by Burbidge et al. this distribution is found to have the form of F(λ) ∝λ-α, where α = 1.24 ±0.65. According to this distribution the new K-term corrections are estimated.

本文利用Burbidge等发表的类星体表中有可靠的三色测光和红移资料的235个类星体,得到类星体的连续谱能量分布的形式为F(λ)∝λ-α(α=1.244±0.65),并根据这一能量分布得出新的K改正值.

This paper describes the total spectrum energy method formeasuring total terrestrial gamma exposure rate by a φ 75×75 NaI(T1) γspectrometer.The spectrometer was calibrated with a ~(226)Ra standard source.The conversion factor is 17.82(Gev/20min)/(μR/h)and the total uncertaintyof measurement values is about±9.5%.Total terrestrial gamma exposusurerates were measured at more than 20 point around our institute.The results are in agreement with that given by high pressure chamber.

本文介绍用 NaI(Tl)γ谱仪测量环境γ照射量率的总谱能量法。谱仪用标准镭源刻度,刻度系数 K_r 为17.82(GeV/20min)/(μR/h),环境γ照射量率测量值的总不确定度约为±9.5%,在玉泉路高能所内外20多个测量点上的测量结果表明,γ谱仪与高气压电离室的测量值较好符合。文中还讨论了用总谱能量法测量环境γ照射量率时的几个有关问题。

 
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