an optical sensor for motion detection

... resistance of our WO3 increased when the sensor was exposed to NO gas in a similar way to WO3 sensors reported in [5,9,15] WO3 is an n-type semiconductor, which means that NO forms an anionic ... sensing mechanism for the NOx gases detection over WO3-based sensors and there is no work to reveal the roles of the promoter It is known that sensitivity of NO2 is many times higher than NO over ... It has been found that the simultaneous measurement of resistance and capacitance of a specimen over a wide range of frequency gives much more information than dc or a single-frequency ac measurement...

Ngày tải lên: 19/03/2014, 16:47

... refractive index and wavelength shifts in the fringe pattern that can be easily detected and quantified [14] The ultimate advantage of a nanoporous AAO platform, instead of planar polymer films ... performance data processing and composition of the draft manuscript LP was involved in designing and in the fabrication of the microfluidic system for the RIfS sensor DL provided knowledge and ... Jayaraman S: Novel colorimetric sensor for oral malodour Anal Chim Acta 2010, 661:97-102 [12] Gauglitz G: Direct optical sensors: principles and selected applications Anal Bioanal Chem 2005, 381:141-155...

Ngày tải lên: 18/06/2014, 22:20

... refractive index and wavelength shifts in the fringe pattern that can be easily detected and quantified [14] The ultimate advantage of a nanoporous AAO platform, instead of planar polymer films ... performance data processing and composition of the draft manuscript LP was involved in designing and in the fabrication of the microfluidic system for the RIfS sensor DL provided knowledge and ... Jayaraman S: Novel colorimetric sensor for oral malodour Anal Chim Acta 2010, 661:97-102 [12] Gauglitz G: Direct optical sensors: principles and selected applications Anal Bioanal Chem 2005, 381:141-155...

Ngày tải lên: 20/06/2014, 04:20

... refractive index and wavelength shifts in the fringe pattern that can be easily detected and quantified [14] The ultimate advantage of a nanoporous AAO platform, instead of planar polymer films ... performance data processing and composition of the draft manuscript LP was involved in designing and in the fabrication of the microfluidic system for the RIfS sensor DL provided knowledge and ... sensor for oral malodour Anal Chim Acta 2010, 661:97-102 12 Gauglitz G: Direct optical sensors: principles and selected applications Anal Bioanal Chem 2005, 381:141-155 13 Gauglitz G: Direct optical...

Ngày tải lên: 20/06/2014, 23:20

... Workshop on Performance Analysis of Video Surveillance and Tracking (PETS ’05), January 2005 [7] M F Abdelkader, R Chellappa, Q Zheng, and A L Chan, “Integrated motion detection and tracking for visual ... μm CMOS) References [1] W Hu, T Tan, L Wang, and S Maybank, “A survey on visual surveillance of object motion and behaviors,” IEEE Transactions on Systems, Man and Cybernetics Part C, vol 34, ... and A Manzanera, Motion detection with smart sensor, ” in Proceedings of the 9th Congress Young Searchers in Computer Vision (ORASIS ’05), May 2005 [12] A Manzanera and J C Richefeu, “A new motion...

Ngày tải lên: 21/06/2014, 07:20

... interfaces for base transceiver stations (BTS) and node B sites, as well as for many signaling and router interconnections, are TDM Twisted pair, coax and fiber will coexist in the network for many ... interface for any technician and a common system for both current and future installations and reconfigurations IDEA enables you to make the choice on how equipment transitions occur—planned, instead ... reflectance interfering with the transmitter and increasing return loss High performance SC, FC and LX.5® connectors have been able to obtain exceptional return loss performance of less than 0.2dB...

Ngày tải lên: 03/12/2015, 23:42

... between 60 (s) and 90 (s) processed by fast Fourier transform (FFT) before and after removing the motion artifact C Discussion Fig The relationship between the correlation coefficient and the time ... the motion artifact and is removed The absolute value of the correlation coefficient is applied because the plus and minus values of the separated signal may be reversed 5) Inverse transformation ... from which the motion artifact has been removed is multiplied by the inverse of the transformation matrix obtained by ICA Finally, this is multiplied by the inverse of the transformation matrix...

Ngày tải lên: 25/08/2016, 22:04

... phenomena and lasers, nanoscience and nanotechnology with silicon, biosensors, electroluminescent materials and devices, and optical diagnostics His research on porous Si and nanoscale Si, and applications ... measurement setup An inductance–capacitance– resistance (LCR) meter controlled by LabViewTM is used to measure the realtime changes of capacitance (C) and conductance (G) The measurements are performed ... Fig 10 Measured change in capacitance (% C) and conductance (% G) with respect to the reference value as a function of the dielectric constant for chloroform, acetone, ethanol and acetonitrile...

Ngày tải lên: 16/03/2014, 15:23

... Zhang, X.L Liu, S Han, T Tang, J Han, C.W Zhou, In2 O3 nanowires as chemical sensors, Appl Phys Lett 82 (2003) 1613–1615 [17] Z.Y Fan, J.G Lu, Gate-refreshable nanowire chemical sensors, Appl Phys ... carbon nanotubes for molecular hydrogen sensors, Adv Mater 13 (2001) 1384–1386 [5] W.W Chen, H Yao, C.H Tzang, J.J Zhu, M.S Yang, S.T Lee, Silicon nanowires for high-sensitivity glucose detection, ... labelfree DNA sensors based on silicon nanowires, Nano Lett (2004) 245–247 [7] Q Wan, Q.H Li, Y.J Chen, T.H Wang, X.L He, J.P Li, C.L Lin, Fabrication and ethanol sensing characteristics of ZnO nanowire...

Ngày tải lên: 20/03/2014, 13:04

... 80 ◦ C 2.2 Sensor fabrication PbS particles were mechanically milled in a PVA (polyvinyl alcohol) medium using an agate pestle and mortar for h to form a paste The paste was coated on an aluminum ... sample gases and also in air The transformational relation between the resistance (R) of a sensor and the output voltage of the sampling resistor in circuit is given by the following formula: R ... coordinate bonds can be formed between NO2 or NH3 and lead(II) in PbS molecules Electrons are transferred from NO2 or NH3 to the gas-sensing layer and decreasing sensors electrical resistance The responses...

Ngày tải lên: 20/03/2014, 13:06

... it provides a candidate for effective, sensitive and reproducible diagnostic tools for screening insects or/and other arthropods, especially crustacean species, crabs and shrimps for baculovirus ... section Nucleotide sequence and sequence analysis Only one clone pGNPV-95 was selected and sequenced using M13 universal forward and reverse primers Sequencing was performed using T7SequencingTM ... polyhedrin gene (Fig 1, lane 5) Subsequently this DNA segment was cloned into pGEM-T vector (Fig 1, lane 2) and transformed cells were tested with PCR using the same primers (Fig 1, lane 6) Using this...

Ngày tải lên: 20/06/2014, 01:20

... interfaces) and software products (e.g., StepMania for Windows, Mac, Linux; DDR Hottest Party for Nintendo Wii; DanceDanceRevolution for PlayStation 3, DDR Universe for Xbox360, Dance Central and Dance ... authors want to thank Raven van Noorden for her contribution to the three-dimensional visualizations, Ivan Schepers for his technical assistance and Annelies Raes, Orphee Sergyssels and Leen ... basic step models and real-time performances As explicated in Section 2, multimodal monitoring of basic step models and real-time performances is an important component of the Dance-the-Music In...

Ngày tải lên: 21/06/2014, 19:20

... efficient analog current-mode signal processing Because the analog image data from a sensor is always converted into digital form for further handling and storage, also the data communication with an ... allows for a more efficient implementation of the analog motion estimation array Transistor level simulations show that the method and the related analog processing circuitry can be applied for high-speed ... input node of the rectifier and thus improved performance, EURASIP Journal on Advances in Signal Processing Therefore, the transistor is operating in the triode region as an approximately linear...

Ngày tải lên: 21/06/2014, 22:20

... Therefore, the channel order must be estimated beforehand In this paper, we estimate the channel order based on (12) Since An Evolutionary Approach for Blind Channel Estimation the subchannels ... random function which may be Gaussian or uniform, and µ and σ are the related mean and variance In this paper, we use normal mutation for the order genes That is, we randomly alter the genes from to ... performance PROBLEM FORMULATION We consider a multichannel FIR system with M subchannels The transmitted discrete signal s(n) is modulated, filtered, and transmitted over these Gaussian subchannels The...

Ngày tải lên: 23/06/2014, 01:20

... minimization of an ad hoc functional The extracted motion parameters can be used for many higher-level analysis tasks beyond the already mentioned motion- based object segmentation, as for example, for reducing ... independent anymore and the motion analysis will be demanded only to estimate the parameters θ, e, and f The parameter θ takes into account rotations, and, as stated before, the parameters e and f ... projections for robust estimation of global 2D affine transformations,” Computer Vision and Image Understanding, vol 81, no 1, pp 72–116, 2001 [12] R Y Tsai and T S Huang, “Estimating three-dimensional motion...

Ngày tải lên: 23/06/2014, 01:20

... resistance, Ref and CPEef are the electrolyte-film interface resistance and pseudocapacitance (CPE is a constant phase element), Rf and CPEef are the film resistance and pseudocapacitance For the ... concentration of 10À13 M, changes for Rf, CPEf and CPEef are not significant, due to the standard deviation However, for 10À12 M, ca 0.2 ng LÀ1, variations become significant This value can be considered ... nmol LÀ1 and 10 nmol LÀ1 Relative changes in resistance (Rf), film capacitance (CPEf) and electrolyte-film capacitance (CPEef) are summarized and compared in Table It appears that changes related...

Ngày tải lên: 02/07/2014, 14:14

... approximately mm for the two rings of Douglas fir and 3.5 mm in width for the cambial age of 19 years, and mm for the cambial age of 24 years, in spruce) These two trees came from a forest near Nancy, belonging ... conditions using a standard objective of same magnification, from the same manufacturer (Fig 2) part ε and an antisymmetric part Ω, we simply find approximations of the deformation tensor and rotation ... in the transversal plane are well explained by the high value of the mean microfibril angle in compression wood), but the anisotropy ratio was inversed (T = 1.73% and R = 2.93%) This can be seen...

Ngày tải lên: 07/08/2014, 16:20

... - - — 2x x= - — r2 - y f _ _

Ngày tải lên: 08/04/2015, 15:36

... Capacitive sensors detect any changes in the three parameters of a capacitor: the distance (d), the area of the electrode plate (S) and dielectric constant (er) [5] C = f(d,S,er) (1) A schematic for ... Therefore, the Cr and Cx have same capacitance value The unbalance between the two capacitors is occurred when there is an air bubble and is defected with the sensing capacitor Results and Discussions ... when an air bubble passing through sensors Cx and sensor Cr Time - s Figure 17 An air bubble passing through two sensors of the two measurement systems Velocity of the investigated air bubble can...

Ngày tải lên: 24/06/2015, 08:17

... (non-spam mail) as spam it gets and vice versa An effective spam detection system is not expected to gain an absolute optimum which are 100% for SDR and 0% for FAR, but it is an acceptable trade-off between ... preferred region) It means DMEA-II with interactive still be balanced in maintaining two properties: convergence and spreading of population and indirectly balance between exploration and exploitation ... rules Before (left) and After (right) the interactive process Fig 22 Results for the proposal interactive method with Value Added Niching approach for SEDA in case of 30 rules Before (left) and After...

Ngày tải lên: 13/08/2015, 10:00