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Author: Jin Guodong） Liu Xiangming） Ta
Abstract: The basic theory and algorithm of radix-2 and mixed radix FFT are presented in the paper.The performance of the two algorithms is compared and analyzed through the simulated data.The result shows that the speed of radix-2 algorithm is faster than mixed ra...
Abstract: The basic theory and algorithm of radix-2 and mixed radix FFT are presented in the paper.The performance of the two algorithms is compared and analyzed through the simulated data.The result shows that the speed of radix-2 algorithm is faster than mixed ra...
Author: WEN Chao-bin, LI Shi-ping, LIU
Abstract: This method is given and used to prove that the new uindow function buil with volume calucation has better performance. The features of the new window functions are analyzed, and the feasibility of this method is proved at the same time....
Abstract: This method is given and used to prove that the new uindow function buil with volume calucation has better performance. The features of the new window functions are analyzed, and the feasibility of this method is proved at the same time....
Author: LIU Yin-feng
Abstract: Many spectrum data including flue-cured tobacco, corn and rice and so on were obtained from Linshu County, by open-air Analytical Spectral Device through measurement on the spot. Spectrum of flue-cured tobacco was analyzed on ecological characteristics. A...
Abstract: Many spectrum data including flue-cured tobacco, corn and rice and so on were obtained from Linshu County, by open-air Analytical Spectral Device through measurement on the spot. Spectrum of flue-cured tobacco was analyzed on ecological characteristics. A...
Author: Yuan Guochang
Abstract: Suppose X is the Banach space, T is a bounded 1 spectrum set σG （T） of T was discussed. That the σG（T） proved. WhenR（Tλ） close asλ∈R（T） UσP（T）. inear operator map X into X. The generalized is the continuous spectrum set σC（T） of T was...
Abstract: Suppose X is the Banach space, T is a bounded 1 spectrum set σG （T） of T was discussed. That the σG（T） proved. WhenR（Tλ） close asλ∈R（T） UσP（T）. inear operator map X into X. The generalized is the continuous spectrum set σC（T） of T was...
Author: WANG Xingguo, CHANG Junjie, SH
Abstract: The ultrasonic attenuation coefficient is one of the most important acoustic parameters to character the performance of a thin layer media, but it can not be measured due to mutual superposition of multiple reflected waves at the same interface in ultraso...
Abstract: The ultrasonic attenuation coefficient is one of the most important acoustic parameters to character the performance of a thin layer media, but it can not be measured due to mutual superposition of multiple reflected waves at the same interface in ultraso...
Author: ZHAO Jianli,LIU Jiaomin,FENG W
Abstract: By analyzing the vibration signal in the decomposition of wavelet packet when circuit breaker（CB） failed,the energy spectrum entropy of wavelet packet was extracted as the feature vector of failure patterns,Then,self-organized radia basis function（RBF） ne...
Abstract: By analyzing the vibration signal in the decomposition of wavelet packet when circuit breaker（CB） failed,the energy spectrum entropy of wavelet packet was extracted as the feature vector of failure patterns,Then,self-organized radia basis function（RBF） ne...
Author: PENG Bo, XIONG Gang
Abstract: In order to improve the demodulation performance of OFDM systems, a new method is proposed for the recognition of symbol rate. The spectrum lines of OFDM signals are generated by FTT then chosen appropriately for constructing the auxiliary signal, and the...
Abstract: In order to improve the demodulation performance of OFDM systems, a new method is proposed for the recognition of symbol rate. The spectrum lines of OFDM signals are generated by FTT then chosen appropriately for constructing the auxiliary signal, and the...
Author: GAN Xiao-li, WEN Kai, LI Xiao-
Abstract: In this paper, an algorithm of Opportunistic Spectrum Access （OSA） is proposed, which is based on Sensing Geometric Proportion Reduced （SGPR）. The television spectrum resource is studied as an example. In the new algorithm, transmission time has increases...
Abstract: In this paper, an algorithm of Opportunistic Spectrum Access （OSA） is proposed, which is based on Sensing Geometric Proportion Reduced （SGPR）. The television spectrum resource is studied as an example. In the new algorithm, transmission time has increases...
Author: LI Xue-yi, HAO Lu-guo, LU Xiao
Abstract: In this paper, the spectrum anti-mixing digital decimating filter, one of the key technologies during the research and development of digital echo cancelling repeater in DVB/CMMB networks, is studied in detail. Three types of digital decimating filter （FI...
Abstract: In this paper, the spectrum anti-mixing digital decimating filter, one of the key technologies during the research and development of digital echo cancelling repeater in DVB/CMMB networks, is studied in detail. Three types of digital decimating filter （FI...
Author: ZHONG Ju-fang, HU Xiao, XING Y
Abstract: Based on the strong-motion datasets of SMART-1 array and Kameda＇s evolutionary power spectral model, the evolutionary power spectral of earthquake ground motions were calculated by using multi-filter technique. Each parameter of the Kameda＇s evolutionary ...
Abstract: Based on the strong-motion datasets of SMART-1 array and Kameda＇s evolutionary power spectral model, the evolutionary power spectral of earthquake ground motions were calculated by using multi-filter technique. Each parameter of the Kameda＇s evolutionary ...
Author: Wang Jingang and Zhao Xiaofei
Abstract: This paper brings forward optimal interval of marketing channel mode’s selection based on relational rent which is found according to compartmentalization of marketing channel mode and spectrums of relational Governance which is established by Chinese sch...
Abstract: This paper brings forward optimal interval of marketing channel mode’s selection based on relational rent which is found according to compartmentalization of marketing channel mode and spectrums of relational Governance which is established by Chinese sch...
Author: FAN Lei ,LONG Yuan , GUO Tao ,
Abstract: This paper has analyzed the limitation of single parameter which used for harm evaluation standard of blasting vibration to building. Based on response spectrum theory, the intensity,frequency and duration of blasting vibration are totally considered to b...
Abstract: This paper has analyzed the limitation of single parameter which used for harm evaluation standard of blasting vibration to building. Based on response spectrum theory, the intensity,frequency and duration of blasting vibration are totally considered to b...
Author: Cheng Qingyan , Ji Yaning, Li
Abstract: The Eu^3 ＋ doped silicon-titanium pillared montmorillonite was prepared by the sol-gel method, and the structure was studied by XRD, SEM-EDX and FT-IR. The results indicated that the pillaring agent of Eu^3 ＋ doped silicon-titanium was inserted into the m...
Abstract: The Eu^3 ＋ doped silicon-titanium pillared montmorillonite was prepared by the sol-gel method, and the structure was studied by XRD, SEM-EDX and FT-IR. The results indicated that the pillaring agent of Eu^3 ＋ doped silicon-titanium was inserted into the m...
Author: HE Quan LONG Yun-Fei LI Ying
Abstract: The characteristics of interaction between proteins and nuclear fast red were studied by resonance light scattering （RLS） method in the pH of 1. 1 medium, at the presence of Triton X-100. A new method for determination of the proteins was established. Thi...
Abstract: The characteristics of interaction between proteins and nuclear fast red were studied by resonance light scattering （RLS） method in the pH of 1. 1 medium, at the presence of Triton X-100. A new method for determination of the proteins was established. Thi...
Author: DONG Guang-Hua
Abstract: AGEs inhibitors from Asparagus officinalis Linn. were primary screened by fluorescence spectrum in glucose-bovine serum albumin system, n-butanol extracts of Asparagus officinalis Linn. were separated by D101 macroporous adsorptive resins, using water and...
Abstract: AGEs inhibitors from Asparagus officinalis Linn. were primary screened by fluorescence spectrum in glucose-bovine serum albumin system, n-butanol extracts of Asparagus officinalis Linn. were separated by D101 macroporous adsorptive resins, using water and...
Author: JIANG Shan
Abstract: Potassium bromide （KBr） is a common analytic chemical agent of infrared spectrum testing. Pure KBr has not any infrared absorption peaks from 4000cm^-1 to 400cm^-1. If KBr contains some impurity, the infrared absorption of the impurity would disturb infra...
Abstract: Potassium bromide （KBr） is a common analytic chemical agent of infrared spectrum testing. Pure KBr has not any infrared absorption peaks from 4000cm^-1 to 400cm^-1. If KBr contains some impurity, the infrared absorption of the impurity would disturb infra...
Author: KONG De-Xin HUANG Rong-Shao H
Abstract: The difference of constituents of whole plant as well as different parts of abrus cantoniensis and abrus mollis were studied by FTIR with secondary derivative spectra and semiquantitative analysis. The volatile oil, triterpenes, flavonoids, saponin, polys...
Abstract: The difference of constituents of whole plant as well as different parts of abrus cantoniensis and abrus mollis were studied by FTIR with secondary derivative spectra and semiquantitative analysis. The volatile oil, triterpenes, flavonoids, saponin, polys...
Author: LAI Jun-Zhuo WANG Gui-Wen ZHA
Abstract: Laser tweezers and Raman spectroscopy system were applied to measure the Raman spectrum of single tricholoma lobayense spores which immersed in salt solution. The mean spectra from single spores of three stains of tricholoma lobayense showed large similar...
Abstract: Laser tweezers and Raman spectroscopy system were applied to measure the Raman spectrum of single tricholoma lobayense spores which immersed in salt solution. The mean spectra from single spores of three stains of tricholoma lobayense showed large similar...
Author: LIU Xing-Cun WANG Xina ZHOU Qi
Abstract: Gastric cancer is one of the malignant cancer in the world. The serum of gastric cancer and normal are differentiated by the statistic and analysis of absorption spectrum＇s datum after they are detected by ultraviolet spectrophotometer. And it offers valu...
Abstract: Gastric cancer is one of the malignant cancer in the world. The serum of gastric cancer and normal are differentiated by the statistic and analysis of absorption spectrum＇s datum after they are detected by ultraviolet spectrophotometer. And it offers valu...
Author: Hu Wan-Qun
Abstract: A peak-comparative method is developed and successfully applied in helping student to analyse IR spectra in experimental teaching with representative compound....
Abstract: A peak-comparative method is developed and successfully applied in helping student to analyse IR spectra in experimental teaching with representative compound....
Author: LIN Qiao-mu, ZHANG Yong-gang
Abstract: The visual simulation of ocean wave is an important issue. Aiming at how to effectively carry out visual simulation of ocean wave, the models of ocean wave spectrum were analyzed and the key technologies in real-time visual simulation of ocean wave were d...
Abstract: The visual simulation of ocean wave is an important issue. Aiming at how to effectively carry out visual simulation of ocean wave, the models of ocean wave spectrum were analyzed and the key technologies in real-time visual simulation of ocean wave were d...
Author: ZHOU Hong-li, ZHU Jian-hua, HA
Abstract: An overview of the pathlength amplification correction factor is proposed with the effects of different pathlength amplifica- tion correction factor on both Absorption Coefficient of panicle and Spectrum-shape of Absorption aspects compared. When ODf-ODf ...
Abstract: An overview of the pathlength amplification correction factor is proposed with the effects of different pathlength amplifica- tion correction factor on both Absorption Coefficient of panicle and Spectrum-shape of Absorption aspects compared. When ODf-ODf ...
Author: PENG Zhen, ZHAO Zhi-jin, ZHENG
Abstract: This paper presents a binary shuffled frog leaping algorithm and an assignment method for cognitive radio spectrum based on it. Simulations are conducted to compare this method and color sensitive graph coloring algorithm. Results show that under the maxm...
Abstract: This paper presents a binary shuffled frog leaping algorithm and an assignment method for cognitive radio spectrum based on it. Simulations are conducted to compare this method and color sensitive graph coloring algorithm. Results show that under the maxm...
Author: ZHAO Hao, LUO Tao, YUE Guang-x
Abstract: In distributed multi-user opportunistic spectrum access （OSA） environment, user-synchronization problem is the vital reason for network throughput deteriorating. To resolve this problem, a changeable-domain based sensing policy is proposed. By adopting ra...
Abstract: In distributed multi-user opportunistic spectrum access （OSA） environment, user-synchronization problem is the vital reason for network throughput deteriorating. To resolve this problem, a changeable-domain based sensing policy is proposed. By adopting ra...
Author: Sun Junding, Wu Xiaosheng
Abstract: To improve the performance and decrease the dimension of the texture spectrum descriptors, a novel descriptor, named ICS-LBP, is proposed based on LBP （local binary pattern） and CS-LBP （center-symmetric local binary pattern）. Compared to the gray-value di...
Abstract: To improve the performance and decrease the dimension of the texture spectrum descriptors, a novel descriptor, named ICS-LBP, is proposed based on LBP （local binary pattern） and CS-LBP （center-symmetric local binary pattern）. Compared to the gray-value di...
Author: HUANG Ning, WANG Peng,TANG Dai
Abstract: It uses OLAM artificial neural network to analyze the samples of cement raw material Two kinds of spectrums are used for network learning, pure-element spectrum and mix-element spectrum. The output of pure-element method can be used to construct a simulat...
Abstract: It uses OLAM artificial neural network to analyze the samples of cement raw material Two kinds of spectrums are used for network learning, pure-element spectrum and mix-element spectrum. The output of pure-element method can be used to construct a simulat...
Author: SUN Yu, YI Hong-chang, LIANG M
Abstract: It introduces a digital multi-channel analyzer based on FPGA ＆ DSP. The hardware implementation and the software development of programmable devices are discussed. The performance of the novel digital multi-channel analyzer are tested. At last the spectru...
Abstract: It introduces a digital multi-channel analyzer based on FPGA ＆ DSP. The hardware implementation and the software development of programmable devices are discussed. The performance of the novel digital multi-channel analyzer are tested. At last the spectru...
Author: XIA Yi-rui,WANG Yong-qi ,XU Ke
Abstract: The phenomenon of a aeroengine FDR data omission, works out rid of the false readings and proceeds to statistics the turbin components load directed. It laids the foundation for the further works on structural strength a effective project after getting sp...
Abstract: The phenomenon of a aeroengine FDR data omission, works out rid of the false readings and proceeds to statistics the turbin components load directed. It laids the foundation for the further works on structural strength a effective project after getting sp...
Author: Li Xu,Ye Xianxuan,Sun Xiaoyan,
Abstract: Objective To understand the changes of hospitalized children＇s diseases spectrum and analyze the cause of death in the main districts of Zhuhai City.Methods 49,498 medical records of hospitalized children in Maternal and Child Health Hospital of Zhuhai an...
Abstract: Objective To understand the changes of hospitalized children＇s diseases spectrum and analyze the cause of death in the main districts of Zhuhai City.Methods 49,498 medical records of hospitalized children in Maternal and Child Health Hospital of Zhuhai an...
Author: HUANG Bei-jie,GUO Xue-jun,NI P
Abstract: Objective To analyze the current drug resistance and risk factors of hospital acquired pneumonia（HAP）due to extended spectrum β-lactamase（ESBLs）producing Escherichia coli and Klebsiella pneumoniae,and to estimate the prevalence trend of ESBLs producing st...
Abstract: Objective To analyze the current drug resistance and risk factors of hospital acquired pneumonia（HAP）due to extended spectrum β-lactamase（ESBLs）producing Escherichia coli and Klebsiella pneumoniae,and to estimate the prevalence trend of ESBLs producing st...