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Online since: September 2014
Authors: Qian He, Gang Fu, Jian Hua Lin
This is a short-time Fourier transform is superior to the most commonly used local Wigner distribution.
3 TFD is based Adaptive Variable notch
In the non-linear time-frequency distribution, Wigner-Ville distribution (WVD) for LFM signal having the best time-frequency aggregation, is ideally suited for signal processing class for LFM (chirp-like), single-component LFM interference signal WVD amplitude spectrum appears focused on its instantaneous frequency rate of change along the line; while transmitting data and Gaussian white noise spectrum is flat below the noise amplitude spectrum, through the high-energy spectrum in the frequency domain information can be estimated interference instantaneous frequency signal (IF) parameters (center frequency and frequency modulation), pursuant to which the corresponding notch filter can be carried notch.
Fig4 The interfering suppression principle of signals comprehensive based on TFD Because when the spread spectrum signal and noise frequency characteristics difficult to distinguish, unscreened interference when leaving the entire time and cross-term interference to carry large amounts of energy sidelobe interference, interference and noise spread spectrum signal, and between self-related items often extended to frequency domain reference signal and the phase matching of input data is often used and other reasons, even if an excellent combination of the spread spectrum signal in which the power of the weak by simply making it difficult to match the data sequence to obtain an accurate phase, it is generally used CAP two kinds of methods, namely, integrated interference signal.
But this method is easy to produce a phase and amplitude blur, which is the key to the reduction or complete removal of the interference.
Fig4 The interfering suppression principle of signals comprehensive based on TFD Because when the spread spectrum signal and noise frequency characteristics difficult to distinguish, unscreened interference when leaving the entire time and cross-term interference to carry large amounts of energy sidelobe interference, interference and noise spread spectrum signal, and between self-related items often extended to frequency domain reference signal and the phase matching of input data is often used and other reasons, even if an excellent combination of the spread spectrum signal in which the power of the weak by simply making it difficult to match the data sequence to obtain an accurate phase, it is generally used CAP two kinds of methods, namely, integrated interference signal.
But this method is easy to produce a phase and amplitude blur, which is the key to the reduction or complete removal of the interference.
Online since: December 2012
Authors: C.D. Naiju, S. Karthik, M. Mohan Prashanth, K. Annamalai
Table 5 DFA of Top Assembly
Per Product Data
Entities
(Including repeats)
Labour
Time (s)
Labour
Cost ($)
Component Parts
13
87.35
0.85
Subassemblies Partially or Fully Analyzed
2
6.90
0.07
Subassemblies not to be Analysed
0
0.00
0.00
Standard and Library Operations
0
0.00
0.00
Totals
15
94.25
0.92
Table 6 DFA of Cabinet Assembly
Per Product Data
Entities
(Including repeats)
Labour
Time (s)
Labour
Cost ($)
Component Parts
33
247.38
2.4
Subassemblies Partially or Fully Analyzed
4
26.70
0.26
Subassemblies not to be Analysed
0
0.00
0.00
Standard and Library Operations
0
0.00
0.00
Totals
37
274.08
2.66
Table 7 DFA of Suspension Assembly
Per Product Data
Entities
(Including repeats)
Labour
Time (s)
Labour
Cost ($)
Component Parts
38
260.00
2.52
Subassemblies Partially or Fully Analyzed
6
20.70
0.2
Subassemblies not to be Analysed
0
0.00
0.00
Standard and Library Operations
4
28.00
0.27
Totals
48
308.70
2.99
Final Assembly Cost Analysis
The main assembly of washing
Marcelo: Cost reduction of a diesel engine using the DFMA, Product: Management and Development, Vol. 4.
Marcelo: Cost reduction of a diesel engine using the DFMA, Product: Management and Development, Vol. 4.
Online since: October 2013
Authors: Kun Qian, Jie Zhang, Quan Yuan, Tian Xia
The data was collected by TDS602 static data acquisition instrument.
The steel plate with 20mm thick and 100mm wide was processed into the fixture as shown in Fig. 3, the inner size of the fixture is 100mm×400mm×400mm, the aerated concrete block was stuck by the upper part and bottom part of the fixture, the two parts of the fixture was hinge jointed by steel bar of 10mm diameter at the corner, the bottom part of the fixture was welded on the base, the upper part of the fixture was constrained by steel bar, the organization with horizontal free movement was formed, the horizontal load apply point and displacement data collect point was set on the two upper corner of the fixture [6].
Zhang, Research on the seismic mechanism of triple fortification lines and the method of displacement-based damage-reduction control design for the improved MRSS, Beijing Jiaotong university, (2009) 55-71
The steel plate with 20mm thick and 100mm wide was processed into the fixture as shown in Fig. 3, the inner size of the fixture is 100mm×400mm×400mm, the aerated concrete block was stuck by the upper part and bottom part of the fixture, the two parts of the fixture was hinge jointed by steel bar of 10mm diameter at the corner, the bottom part of the fixture was welded on the base, the upper part of the fixture was constrained by steel bar, the organization with horizontal free movement was formed, the horizontal load apply point and displacement data collect point was set on the two upper corner of the fixture [6].
Zhang, Research on the seismic mechanism of triple fortification lines and the method of displacement-based damage-reduction control design for the improved MRSS, Beijing Jiaotong university, (2009) 55-71
Online since: May 2014
Authors: Daniel Guyomar, Yoshitake Nishi, Masae Kanda, Kaori Yuse
Electroactive strain values up to 380 % have even been obtained when a silicone rubber was utilized as the matrix material. [1] Although such extraordinary results have drastically increased the potential of EAPs, it should be noted that these data were obtained under quite high values of the driving electric field, i.e., 120 MV/m.
A reduction of the required energy is thus desired for a widespread use of EAPs.
Many electroactive strain properties of the PU were investigated but the fundamental mechanisms which are responsible for the electrostriction have not been yet well understood. [10] We found that the thermal absorption on melting of differential scanning calorimetry (DSC) analysis often corresponds to data of electrostriction. [11] Crystalline volume fraction may contribute to the electrostriction.
If the volume fraction of surface crystallization on solidification is controlled by solidification thickness, the experimental error can be explained to obtain the reproducible data.
A reduction of the required energy is thus desired for a widespread use of EAPs.
Many electroactive strain properties of the PU were investigated but the fundamental mechanisms which are responsible for the electrostriction have not been yet well understood. [10] We found that the thermal absorption on melting of differential scanning calorimetry (DSC) analysis often corresponds to data of electrostriction. [11] Crystalline volume fraction may contribute to the electrostriction.
If the volume fraction of surface crystallization on solidification is controlled by solidification thickness, the experimental error can be explained to obtain the reproducible data.
Online since: January 2015
Authors: Sergei Stuchebrov, Irina Miloichikova, Alexander Wagner, Gulnur Zhaksybayeva
One of the dose reduction techniques is use of the pulsed emitting source synchronized with the detection equipment.
For example, it is necessary about three-four minute for the thermoluminescent dosimeters thermal treatment and programme data analysis.
The detecting part of the dosimeter-radiometer DCS-96 is located in the same case with analyzed unit and data panel, which creates difficulties of working at high dose rates.
The anode current picked out according to the dosimeter DRG3-04 operating mode of the dose rates, which was specified in the data sheet [6].
For example, it is necessary about three-four minute for the thermoluminescent dosimeters thermal treatment and programme data analysis.
The detecting part of the dosimeter-radiometer DCS-96 is located in the same case with analyzed unit and data panel, which creates difficulties of working at high dose rates.
The anode current picked out according to the dosimeter DRG3-04 operating mode of the dose rates, which was specified in the data sheet [6].
Online since: February 2012
Authors: Si Yang Yue, Xu Chun Li, Jun Ma
The data represents the mean values of duplicate experiments, and error bar indicates the standard deviation.
The data represents the mean values of duplicate experiments
Chlorophenols strongly absorb radiation with wavelengths between 230 and 300 nm, and undergo photochemical processes, involving photo-dissociation, photo-isomerization, photo-substitution, photo-rearrangement, photo-oxidation and photo-reduction.
The data represents the mean values of duplicate experiments, and error bar indicates the standard deviation.
The data represents the mean values of duplicate experiments
Chlorophenols strongly absorb radiation with wavelengths between 230 and 300 nm, and undergo photochemical processes, involving photo-dissociation, photo-isomerization, photo-substitution, photo-rearrangement, photo-oxidation and photo-reduction.
The data represents the mean values of duplicate experiments, and error bar indicates the standard deviation.
Online since: March 2019
Authors: Takamoto Itoh, Fumio Ogawa, Shunsuke Saito
However, most of the fatigue data which are used for those strength designs are obtained by uniaxial loading tests, and there is limited data under multiaxial loading [2-3].
Those measured data is used for evaluation of fatigue life and feedback to control the test by using inner pressure and axial load.
The correlation for 316SS also shows the same tendency as that for 430SS under the same loading paths, but the reduction in fatigue life in the Square-shape and the LT-shape is much less; one-digit decrease.
Those measured data is used for evaluation of fatigue life and feedback to control the test by using inner pressure and axial load.
The correlation for 316SS also shows the same tendency as that for 430SS under the same loading paths, but the reduction in fatigue life in the Square-shape and the LT-shape is much less; one-digit decrease.
Online since: July 2014
Authors: Ge Liu, Hai Bing Zhang
Speech recognition strongest, but semantic understanding and vertical data is weak
SogouYY semantic understanding powerful capabilities, vertical data-rich , quiz outstanding results , and integration of knowledge cubic Sogou , but its own voice recognition technology is weak, the combined effect of the current best
Powerful voice recognition engine should be a speaker independent speech recognition system , with excellent recognition rate , providing comprehensive development support , provides a wealth of easy-to- use tools , and core technology reached the international advanced level. 1. front-end speech processing.Front-end voice processing refers to the use of signal processing methods for speaker voice detection, noise reduction pretreatment in order to get the most appropriate treatment voice recognition engine
After the completion of the terminal will get to work on , such as cloud computing and storing data vertically result , quiz results , structured knowledge .
SogouYY semantic understanding powerful capabilities, vertical data-rich , quiz outstanding results , and integration of knowledge cubic Sogou , but its own voice recognition technology is weak, the combined effect of the current best
Powerful voice recognition engine should be a speaker independent speech recognition system , with excellent recognition rate , providing comprehensive development support , provides a wealth of easy-to- use tools , and core technology reached the international advanced level. 1. front-end speech processing.Front-end voice processing refers to the use of signal processing methods for speaker voice detection, noise reduction pretreatment in order to get the most appropriate treatment voice recognition engine
After the completion of the terminal will get to work on , such as cloud computing and storing data vertically result , quiz results , structured knowledge .
Comparison of High-Temperature Oxidation Onset Behavior of Sanicro 28 Steel with KCl, NaCl and K2CO3
Online since: January 2015
Authors: Jing Xin Sui, Juho Lehmusto, Mikael Bergelin, Mikko Hupa
The reaction quenching and sampling times were deducted from chronoamperometry (CA) data, as the current signal reflects the changes in reaction type and rate at any given time.
Additionally, during the sputtering process, the oxide layer penetration time can be measured and the layer thickness calculated using calibration data and standard equations.
This finding is also to some extent supported by the CA data.
Summary It was found that all three salts were corrosive, and that the oxidation current reflected the oxidation-reduction reactions, thus revealing a difference in reaction mechanisms and rates between the salts.
Additionally, during the sputtering process, the oxide layer penetration time can be measured and the layer thickness calculated using calibration data and standard equations.
This finding is also to some extent supported by the CA data.
Summary It was found that all three salts were corrosive, and that the oxidation current reflected the oxidation-reduction reactions, thus revealing a difference in reaction mechanisms and rates between the salts.
Online since: August 2014
Authors: Lin An Gao
ETR was plotted against irradiance, and maximum relative electron transport rate (ETRmax), photosynthetic efficiency (α) were calculated by fitting the RLCs data to an exponential function [4]
Data analysis One-way ANOVA was used to test for site differences in photosynthetic variables (ETRmax, α, Ek).
(ETRmax and PAR data were log10(x)-transformed prior to analysis).
The deep water species positioned in depths over 10 m subject to severe light limitation and lack of reduction in α at midday.
Data analysis One-way ANOVA was used to test for site differences in photosynthetic variables (ETRmax, α, Ek).
(ETRmax and PAR data were log10(x)-transformed prior to analysis).
The deep water species positioned in depths over 10 m subject to severe light limitation and lack of reduction in α at midday.