novel applications of zno random lasing and uv photonic light sources

... hybridization of BP and SA (BPSA), and GA They reported 12 Theory and Novel Applications of Machine Learning poor performance for the SA method, but still promoted the use of GO methods instead of standard ... average balance of both types of learning agents increases with the agent's experience, while the performance of the predicting and random agents decreases 40 Theory and Novel Applications of Machine ... degradation and loss of irreplaceable biodiversity (WWF, 2006) On the other hand, in the past several years of technological advancement, cork has become one of the 24 Theory and Novel Applications of...

Ngày tải lên: 26/06/2014, 23:20

... coverage of the F S T representation of the parses of sentences from a range of corpora (ATIS, IBM-Manual and Alvey) The results of these experiments provide a measure of repetitiveness of patterns ... parsed by the XTAG system were randomly divided into two sets, a training set of 365 sentences and a test set of 100 sentences, using a random number generator For each of the training sentences, ... repeated any number of times, or possibly omitted altogether, to get parses of sentences that differ from the sentences of the training corpus only in the number of modifiers This type of generalization...

Ngày tải lên: 20/02/2014, 22:20

... recognition and activation (Eur J Biochem 270) 405 about 30 amino acids and consists of a helix-loop-helix where the two helices are arranged similar to the extended thumb and index finger of a hand: ... pentraxins, annexins and in C2 domains [36–39] The C2 domains consist of about 130 amino acids forming a compact b-sandwich composed of two four-stranded antiparallel b-sheets and bind up to three ... dominated by two EF-hand pairs forming the C- and N-terminal lobes and a long a-helix connecting the two lobes The two EF-hand pairs share 48% sequence identity and 75% sequence homology and the peptide...

Ngày tải lên: 17/03/2014, 09:20

... from DPIVic and University of Queensland Posters # 65 Nitrogen affects lettuce susceptibility to downy mildew (Bremia lactucae) # 66 Anthracnose disease on lettuce affected by variety and nitrogen ... Tested 21 varieties with known and unknown resistance to DM and Anthracnose • Downy mildew – susceptible varieties • Anthracnose – all varieties with varying degrees of susceptibility 80 Percent ... Economic losses Aim • Evaluate different products (inc biologicals, soft options and plant growth) to control downy mildew and anthracnose on lettuce to reduce reliance on chemical fungicides...

Ngày tải lên: 31/03/2014, 11:20

... Schaum's Outline of Theory and Problems of Probability, Random Variables, and Random Processes Hwei P Hsu, Ph.D Professor of Electrical Engineering Fairleigh Dickinson University Start of Citation[PU]McGraw-Hill ... Large Numbers and the Central Limit Theorem Solved Problems Chapter Random Processes 5.1 Introduction 5.2 Random Processes 5.3 Characterization of Random Processes 5.4 Classification of Random Processes ... Functions of One Random Variable 4.3 Functions of Two Random Variables 4.4 Functions of n Random Variables 4.5 Expectation 4.6 Moment Generating Functions 4.7 Characteristic Functions 4.8 The Laws of...

Ngày tải lên: 31/03/2014, 16:25

... allocation Band Group Band Group Band Band 3432 3960 MHZ MHZ Band Group Band Group Band Band Band Band Band 4488 5016 5544 6072 MHZ MHZ MHZ MHZ Band Group Band Band Band Band 10 11 6600 7128 7656 ... between the transmitter and Multiband OFDM Modulation and Demodulation for Ultra Wideband Communications receiver c = 3x108 m/s is the speed of light As a result, the function of received signal power, ... (BG1-BG4), and the last two bands are grouped into a fifth band group (BG5) A sixth band group (BG6) containing band 9, 10 and 11 is also defined within the spectrum of BG3 and BG4, in agreement to...

Ngày tải lên: 19/06/2014, 14:20

... bandwidth of about MHz, therefore the bandwidth between 26 Novel Applications of the UWB Technologies the two individual OFDM data subcarriers related to the two complex numbers (I(k), Q(k)) and ... subgroup of soft bits, and then outputs groups of 250 soft bits in sequential order The demapper is proposed to use the DC 32-QAM demapper, and other functional blocks are remained The demapped and ... safety applications and broadband internet access among uses envisaged by FCC authorization of ultra-wideband technology, press released February 14, 2002 FCC (April 2002) Revision of Part 15 of...

Ngày tải lên: 19/06/2014, 14:20

... linearity of the filter is proportionally improved Sharp rejection of out -of- band signal is also required Considering the difference between the sub-band's bandwidth of two standards, the cut-off frequency ... multiplexing (DC-OFDM ) has been proposed and applied in China In China standard, only the band from 6.2GHz to 9.4GHz and the band from 4.2GHz to 4.8GHz are available for UWB applications These bands are ... partitioned into 14 subbands of 264MHz bandwidth which means the bandwidth is halved in China’s DC-OFDM standard compared with the ECMA 368/369 standard Thus the sampling frequency of the DACs(Digital-to-Analog...

Ngày tải lên: 19/06/2014, 14:20

... purposes and, in the case of IR-UWB for ranging applications, to the estimation of the Time -of- Flight (ToF) The UWB channel is statistical, therefore determining these system-level data implies randomizing ... useful portion of the spectrum of a UWB signal of bandwidth B is at baseband, [0, B/2], e.g for a standard UWB pulse having a 500 MHz bandwidth, this corresponds to operating in the band 0-250 MHz ... the backannotated model and the AC circuit simulation of Phase-III match 90 12 Novel Applications of the UWB Technologies Fig AC response of the I&D circuit and Phase-II and III models Crepaldi...

Ngày tải lên: 19/06/2014, 14:20

... averages of elements in two sets are also equal to 5/6 and 1, respectively As a result, for any sequence, both of C ii (l ) and C ij (l ) will be fixed as long as L and N are fixed Based on Theorem and ... begin with the definition of ZCZ of TH sequences to understand how ZCZ works We then construct a class of TH sequences with ZCZ and prove the correlation properties of such TH sequences when ... i THSS-UWB systems, a novel ZCZ TH sequence c(( k))L (i (i c( k))  (i  1)( N eh   ZCZ )  e( k)) L The widths of ZACZ and ZCCZ satisfy L (20) 114 Novel Applications of the UWB Technologies...

Ngày tải lên: 19/06/2014, 14:20

... bands i.e the sub-gigahertz band (250–750 MHz), the low band (3.1–5 GHz), and the high band (6–10.6 GHz) Each UWB band has a single mandatory channel and devices that operate independently of ... 20% Bf > 20% Table Fractional bandwidth of narrowband, spread spectrum and UWB signals 2.2 Benefits of UWB technology for WPAN applications Due to the wide bandwidth and high time resolution characteristics, ... narrowband and wideband systems) Standardization and challenges of UWB WPAN Although UWB technologies are attractive for WPAN standardization and technical issues that need to be addressed applications, ...

Ngày tải lên: 19/06/2014, 14:20

... for Band group #5 Band group #2 can be avoided when interference from U-NII bands is present Band Group #1 Band Group #2 Band Group #3 Band Group #4 Band Group #5 Band #1 Band #2 Band #3 Band ... Band Group #4 Band Group #5 Band #1 Band #2 Band #3 Band #4 Band #5 Band #6 Band #7 Band #8 Band #9 Band #10 Band #11 Band #12 Band #13 Band #14 3432 MHz 3960 MHz 4488 MHz 5016 MHz 5544 MHz 6072 ... Re   xOFDM , k (t  kTOFDM )exp  j 2 f( k mod 6)t       k 0  Where, xOFDM , k (t ) is kth the OFDM symbol of duration TOFDM , N is the number of transmitted OFDM symbols and f k...

Ngày tải lên: 19/06/2014, 14:20

... value of a = b = 2.9 mm and, a' = b' = 1.45 mm was found to give a band-notch at 5.5GHz, a return loss (RL) of -5dB, roll-off of 0.18 and 0.03 dB/MHz and a -5dB S11 fractional bandwidth of 40% ... pass-band rejection and 2dB insertion loss; roll-offs of 0.050dB/MHz and 0.031dB/MHz for the lower and upper bands respectively), the UWB antenna has a lower 1108MHz pass-band rejection and improves ... antenna operates at the lower UWB band (3.168-4.752 GHz) with a 3.57:1 VSWR and has a tailored impedance bandwidth and roll-off comparable to a standard frontend Band Pass Filter (BPF) To bring down...

Ngày tải lên: 19/06/2014, 14:20

... sub-band, it calculates the 10dB-bandwidth of the sub-band and marks the sub-band as forbidden In a recursive manner, DS-UWB radio sweeps the entire UWB band and records all the forbidden subbands ... SVD based method to detect the presence of WM signals and to estimate the number and center frequencies of these detected WM signals 240 Novel Applications of the UWB Technologies 2.2.1 Technology ... analysis and determination of threshold In this section, we will derive the threshold  and probability of false alarm Pf We denote RS (ML) and RU (ML) as the Hankel matrix of WM signals and an...

Ngày tải lên: 19/06/2014, 15:20

... increasing offered traffic of B Therefore, a trade-off between airtime of system A and that of system B can be found From Fig 3, airtime of system A may be increased by increasing its offered traffic ... of that 3.1 – 10.6 GHz band are currently available in Europe A number of telemetry bands exist in the U.S., and both the U.S and Europe have instrumentation, scientific, and medical (ISM) bands ... to use the radio resources of the assigned bands for providing radio services Depending on the type of radio service and on the efficiency of the radio systems, frequency bands may be used inefficiently...

Ngày tải lên: 19/06/2014, 15:20

... major medical, scientific, and UWB frequency bands in the US and Europe A majority of the scientific and medical bands in both Europe and the US fall between the frequencies of 200 MHz – GHz Also, ... the OR, it is also useful to look into narrowband and UWB channels and their effect on narrowband and UWB signals for communication and positioning applications (Clarke & Park, 2006) There are ... environment and wear characteristics of that component Normal loads, load center, contact area, and the rate of loading need to be measured in order to fully understand the kinematics and kinetics of...

Ngày tải lên: 19/06/2014, 15:20

... SNR is random due to random occurrences of artifacts, ten SNR values are obtained and averaged based on simulation with ten sets of data for each averaging number and antenna number A total of 720 ... Instead, 360 sets of signals are collected and an averaged 322 Novel Applications of the UWB Technologies signal is obtained The random noise will be averaged out, and the pulse can be observed if it ... is proportional to the wavelength of 324 Novel Applications of the UWB Technologies the incident signal Ring artifact also indicates the direction of phantom off-center displacement For instance,...

Ngày tải lên: 19/06/2014, 15:20

... a radius of 50mm and thickness of 2mm as the skin layer A spherical tumor with a radius of 2mm is placed on the central axis of the hemisphere and at a height of 35mm from the center of the hemisphere ... geometrical and electrical characteristics Novelty of the analysis lies in the 360 Novel Applications of the UWB Technologies fact that at the lowest operational frequency both the receive antenna and ... centers are given in Table 352 16 Novel Applications of the UWB Technologies Will-be-set-by-IN-TECH Fig 2D mapping of the dielectric values of the different regions of the breast tissue(source:(Kosmas...

Ngày tải lên: 19/06/2014, 15:20

... 39i-UWB PHY band allocation in (IEEE Std, 2007) The band plan defines three band groups: sub-gigahertz, low, and high bands The frequency band of interests is selected from the band plan of IEEE802.15.4a-2007 ... radar band, (3) 384 Novel Applications of the UWB Technologies  LUWB(d) is the propagation loss between the UWB device and the RADAR system as a function of the distance between the UWB source and ... function of the separation between the UWB transmitter and the UMTS2600 mobile (PUWB = -51.3 dBm/MHz) 390 Novel Applications of the UWB Technologies We study the case of voice service (Gp = 25 dB and...

Ngày tải lên: 19/06/2014, 15:20

... channels and 7, and 11, and 13 and 15 This is the same observation as reported in the work of Alsindi et al (Alsindi et al., 2007) Difference of the path gain between the high and low bands are to ... 20 Histogram of the ranging error (a) channel with bandwidth of 500 MHz (b) channel with bandwidth of 1.0 GHz of noise detection From the obtained ranging results in different subbands, it is ... bandwidth of 500 MHz and 1.0 GHz is shown It can be concluded that wider bandwidth always gives better detection and estimation accuracy of the direct paths in the low band, while the superiority of...

Ngày tải lên: 19/06/2014, 15:20