Feature of Electroencephalogram ( EEG) Basic Rhythms Detected by Band Relative Intensity Ratio ( BRIR) and the Instrument System 利用BRIR提取脑电信号基本节律特征及其虚拟仪器系统
Then, a mathematical model for planning work is established using numerical analysing methods, the software is programmed in BASIC language, and the planning of TV coverage network in decimeter wave band based on service field intensity is accomplished with CAD. 然后,用数学分析方法建立了规划工作的数学模型,并采用BASIC语言编制了软件,从而完成了基于服务场强的分米波电视覆盖网的机辅规划设计方法。
The band intensity of PEPC protein on the electrophoretogram was reduced upon treatment with H 2O 2 and OH ·, and there was obvious degradation of PEPC through OH · oxidation. 受H2O2和OH·作用后凝胶电泳谱上酶蛋白量减少,OH·引起酶蛋白明显降解。
The effect of intermolecular interaction on the Raman band intensity 分子间相互作用对联合散射谱带强度的影响
That is the dynamic optimal design which concerns comprehensively influencing factors about forced vibration, unacceptable frequency band, stiffness, intensity etc. 即需全面考虑强迫振动、频率禁区、刚度、强度等的影响因素,进行符合工程实际要求的、基于有限元分析的动力优化设计,以满足现代化设计要求。
Due to indirect band gap of silicon, the photoluminescence ( PL) intensity and the luminescent efficiency of silicon-based devices are very low, which hinders its application in opto-electronic technology. 因为硅是间接带隙材料,其光致发光和电致发光的效率很低,这限制了它在光电器件方面的应用。
Results show that the hot band presents almost random texture and the intensity of α-fibre texture is weak. 研究表明:热轧带几乎是随机织构,α线非常弱;
Pressure data were analyzed by wavelet transform in wavelet domain. Frequency band energy spectrum and intensity index of ISW based on wavelet coefficient were obtained. 通过基于子波的分析方法,对压力数据进行了分析,获得了基于子波系数的频带能量谱和冲击波强度指数。
After compared these methods, power spectral frequency band intensity, PCA and linear network were choose to carry out the recognition system. 在综合比较各种方法后,最终选择功率谱估计频带强度为分类特征,PCA用于特征提取,线性神经网络作为分类器用于系统的实现。
The 194-nm absorption band intensity enhanced and the 268-nm band weakened after irradiation. 辐照后194nm吸收峰强度增加,268nm吸收峰强度则降低。
At this, within spectrum band of probing system, the radiation intensity analytic equation, which covers all of spectrum components of the band and is expressed in temperature, is derived and its application prerequisite is analyzed. 在此基础上,在探测系统可接收的光谱带内,求得其所有光谱成分综合的、以温度表示的光辐射度解析表达式,并分析其应用条件。
The variation of spiral cloud band is often a strong signal to the variation of typhoon's intensity and motion. 螺旋云带的变化通常是台风未来移动及其强度变化的强信号。
When group ⅲ precursor mixes too early with group ⅴ ammonia, in other word, the time of the mixture is too long, the ratio of yellow luminescence intensity to band emission intensity is large, and the FWHM of X-ray double crystal diffraction is broad. Ⅲ、Ⅴ族气流混合太早,气流混合时间长,GaN∶Si膜的黄带与带边发射强度之比较大,X射线双晶衍射半高宽较宽;
The dynamic model of energy transfer between each function unit of photosystem ⅱ was made by improving a four band model. The difference of energy transfer with different light intensity was analyzed. 在四能带模型的基础上,建立了光系统II各功能单元间的能量传递动力学模型,分析了不同光照情况下的能量传递差异情况。
Boron-doped diamond has outstanding semiconductive characteristics, such as wide band gap, high puncturing field intensity, high mobility of current carrier, low dielectric constant and good heat conductivity. 含硼金刚石具有禁带宽、击穿场强高、载流子迁移率高、介电常数低和导热性能好等优异的半导体性能。
The changes of band intensity. 第3种类型为谱带强度(深或浅)发生变化。
Photoluminescence spectra that were excited by Xe laser at room temperature showed a blue band emission with great intensity. 其氤灯激光PL谱表明样品具有很强的蓝色发光。
The downshifts of D band and G band in composites were observed through Raman spectroscopy, and the intensity of D band and the value of I_D/ I_G also increased significantly as compared with pristine MWNT. 拉曼光谱分析表明,复合材料中MWNT的两个特征峰D峰和G峰的位置均发生了红移,且D峰的强度及ID/IG值也较MWNT明显增大。
In addition, the relative peak area of O H stretch band decreases with pressure, showing that the total intensity of O H bonding is weaker compared with C H bonding. 另外,OH伸缩振动峰的相对面积随压力的增大而减小,说明对CH键而言,OH键总强度是减弱的。
To deal with the complicated jet noise, wavelet frequency band spectrum and shock wave intensity index is defined on the base of wavelet coefficient. 针对测试数据中所含有复杂的射流噪声,定义了基于小波系数的小波频带能量谱和冲击波的强度指数。
The design of double liquid crystal defect layers compensates the polarized light reciprocally, makes the original two transmission peaks in the band gap incorporate to one transmission peak, which enhances the light intensity and filter performance. 双液晶缺陷层的设计起到了对偏振光相互补偿的作用,使得禁带中原本两个透射峰并为了一个透射峰,加强了光强度,增强了滤波性能。
The yellow band is not observed in the PL spectrum, on the contrary, With the film thickness increases, the peak position of blue band is blue-shifted, and the luminous intensity also increased. 在PL谱中没有观察到黄光带,相反观察到了随膜厚度增加峰位发生蓝移,并且发光强度也增加的蓝光带。
According to the operation mode, the current target detection algorithms can be divided into two systems: one is the target detection system using band intensity; the other is the system using spectral shape feature. 根据运算方式,当前主要的目标提取算法大致可以划分为两种体系:一种是利用谱带强度进行目标提取的算法体系,另一种是利用波形特征进行目标提取的算法体系。
⑶ PCR-DGGE studies showed that there were not the same number of electrophoretic bands, bands migrated location, the strip edge bands and band intensity under different treatments and different periods, indicating that QL, EM treatment significantly affected the microbial community in composting. ⑶PCR-DGGE研究结果表明,2种菌剂处理对堆肥微生物菌群具有明显影响,不同处理不同堆肥阶段微生物群落的电泳条带数目、条带位置、优势条带数目及条带强度均不完全相同。
Electrophoretic studies revealed that ASWPS had the highest myosin heavy chain ( MHC) and actin band intensity. 电泳表明碱盐漂洗鱼糜具有更高的肌球蛋白重链和肌动蛋白条带强度。
After visualization of the gel, the gel lane was divided into several sections based on band intensity and then cut into small pieces. 将凝胶染色后根据条带浓度分割并切成小片。