... time consuming, while processing time is tended to be minimized In general, processing time of a multi- channel system depends on the data access time and the processing time of the processing unit ... points on each Window The amplitude test is carried out by following steps: i) measuring the input signals’ amplitude by a multimeter; ii) calculating the data on the Window to find out the average ... followings: i) verifying the point where the signal graph passes “0” DC voltage level on the Code Composer Window; ii) determining the number of sampling between two adjacent “0” passed points;...
Ngày tải lên: 05/03/2014, 14:20
... Vaidya, Multi- channel Mac for Ad Hoc Networks: Handling Multichannel Hidden Terminals Using a Single Transceiver, in 5th ACM International Symposium on Mobile Ad Hoc Networking and Computing, MobiHoc ... In multi- channel WLANs the common hopping approach is used for example in Channel- Hopping Multiple Access (CHMA) which was introduced in [11] In addition, in the context of CRNs at least SYN-MAC ... (2006) S Nethi, J Nieminen, R Jäntti, Exploitation of Multi- Channel Communications in Industrial Wireless Sensor Applications: Avoiding Interference and Enabling Coexistence, in Wireless Communications...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Selective sensing and transmission for multi-channel cognitive radio networks" doc
... simplest single -channel model In [12], a theoretical framework is proposed for jointly optimizing sensing and transmission time for each channel And then a spectrum selection and sensing scheduling ... channel at the beginning of the first slot, and the next probing will not be carried out until slot Thus, SU should determine how to access channel from slot to slot 4, according to the sensing ... last sensing result is = t - ti Thus, during the period of ((ti - 1)Ts, (t - 1)Ts), channel i’s state varying is equivalent to the holding time being less than aiTs Since the holding times in both...
Ngày tải lên: 21/06/2014, 03:20
Báo cáo hóa học: " Dereverberation and denoising based on generalized spectral subtraction by multi-channel LMS algorithm using a small-scale microphone array" potx
... estimation for SS by multichannel LMS algorithm In [1], an adaptive multi- channel LMS algorithm for blind single-input multiple-output (SIMO) system identification was proposed In the absence of ... VSS-UMCLMS algorithm [1], which identifies the multi- channel impulse responses, for processing in a frequency domain with SS applied in combination Missing feature theory for dereverberation MFT ... not modeled precisely In [1,11-13], an adaptive multi- channel least mean squares (MCLMS) algorithm was proposed to blindly identify the channel impulse response in a time domain However, the estimation...
Ngày tải lên: 21/06/2014, 19:20
Báo cáo nghiên cứu khoa học: " Multi-channel measurement based on DSP development" pps
... time consuming, while processing time is tended to be minimized In general, processing time of a multi- channel system depends on the data access time and the processing time of the processing unit ... points on each Window The amplitude test is carried out by following steps: i) measuring the input signals’ amplitude by a multimeter; ii) calculating the data on the Window to find out the average ... followings: i) verifying the point where the signal graph passes “0” DC voltage level on the Code Composer Window; ii) determining the number of sampling between two adjacent “0” passed points;...
Ngày tải lên: 21/07/2014, 16:21
Design of multi channel spectrometers for scanning ion electron microscopes
... However, interest in voltage contrast spectrometers gradually declined in the 1990s, shortly after the practice of covering Integrated Circuits with a ground metal layer was introduced, preventing ... same exit point Second-order optics (focusing) is defined by the focal point position not changing with respect to second-order variations in the input angle [1.5] The Rau and Robinson toroidal ... solid lines represent the (𝑢˗𝑣) coordinate system in an ideal hyperbolic field, and the dotted lines represent the (𝑥˗𝑦) coordinate system used in the simulation model 143 Figure 6.5: Mapping...
Ngày tải lên: 09/09/2015, 09:59
Investigating online trust of multi channel retailers the social relations and networks perspective
... examine customers’ trust in the online channel of multi- channel retailers in the beforeinteraction, initial-interaction and post-initial purchase phases The antecedents of trust in the online ... gaining insights into the antecedents for trust in the online operations for multichannel retailers Furthermore, this is the pioneer study to examine online trust development in all three interaction ... various multi- channel strategies retailers adopted such as channel integration (i.e Gulati and Garino 2000) and pricing (Tang and Xing 2001, Ancarani 2002), online retailing of a multi- channel retailer...
Ngày tải lên: 14/09/2015, 13:13
SECURING MULTI CHANNEL WIRELESS NETWORKS AGAINST MALICIOUS BEHAVIOR
... evading jamming are spread spectrum radio encoding [52] and channel hopping [41, 57] In spread spectrum radio encoding, a radio signal is intentionally spread in the frequency domain, leading ... simple in single-hop networks, but implementing it in multi- hop networks is quite challenging To address this issue, researchers have proposed the coordinated channel switching scheme [65] In such ... Code (ECC) Type jamming evasion jamming evasion jamming detection jamming detection jamming detection jamming detection jamming evasion jamming evasion jamming competition jamming competition Stack...
Ngày tải lên: 30/10/2015, 17:12
Tài liệu Sound in J2ME docx
... are defined in the PlayerListener interface Event types are defined as Strings in order to support extensibility because different implementations may introduce proprietary events by adding new ... functions including start, stop, and rewind are supported Furthermore, PlayerListener events are defined for printing the player states during the execution of the program Enhanced Media Support Using ... manipulating the audio volume of a Player object The volume settings interface allows the output volume to be specified using an integer value that varies between and 100 The mapping for producing...
Ngày tải lên: 18/01/2014, 14:20
Tài liệu Sound in Animation doc
... give your work a solid feeling that adds to the illusion of life.” – Mark Simon Sound effects play an important role in conveying action Music helps express emotion.” – Michael Geisler Sound in ... object creating sound and picture! (e.g coconuts for horses’ hooves) Don’t wait for the animation to be finished to start thinking about sound! Crypt1.mov Crypt2.mov Crypt3.mov First Sound: Steamboat ... First “talking picture:” The Jazz Singer (1928) Steamboat Willie (1928) was one of the first experiments in composing an audio soundtrack for animation Willie screened with (live) sound when...
Ngày tải lên: 21/02/2014, 15:20
The History of Sound in the Cinema pot
... raise the public's interest in sound movies 'The Jazz Singer' released in the following year was the film that set the industry talking, sound movies had arrived Although sound on disc was the ... 'special venue cinema' That was a After the heyday of development in the fifties the cinema industry did not see any new innovations until the seventies This being mainly due to the dwindling audiences ... audience The sound was again carried on a separate magnetic film The screen channels were left, centre, and right, on the magnetic film, with the 'surround' or effects channel being carried on...
Ngày tải lên: 16/03/2014, 15:20
Báo cáo Y học: GPI-microdomains (membrane rafts) and signaling of the multi-chain interleukin-2 receptor in human lymphoma/leukemia T cell lines doc
... microdomains contain, among others, a potential regulatory protein of T cell growth, CD48 A pivotal role of cholesterol in maintaining such transient protein assemblies, including also HLA glycoproteins, ... chains with lipid rafts (containing CD48) may have several functional consequences in T cells First, rafts may concentrate the a chains (CD25) in the vicinity of signaling IL-2R b and cc chains, ... 6-(fluorescein5-carboxamido) hexanoic acid succinimidyl ester (SFX) or Rhodamine RedTM-X succinimidyl ester (RhRX) (Molecular Probes, Eugene, OR, USA) For labeling with sulfoindocyanine succinimidyl...
Ngày tải lên: 17/03/2014, 23:20
báo cáo hóa học:" The relationship of oral health literacy with oral health-related quality of life in a multi-racial sample of low-income female caregivers" doc
... recruitment This investigation relied upon interview data from the Carolina Oral Health Literacy (COHL) Project [30], a study exploring OHL in a low-income population of caregivers in the Women, Infants, ... (WIC) in North Carolina (NC) Non-random WIC sites in counties in NC were selected using certain criteria including geographic region, rural/urban makeup, population demographics, active WIC clinics ... well-represented in the study sample In this approach, individuals in pre-determined minority groups (African Americans and American Indians in the COHL study) are targeted preferentially and recruited into...
Ngày tải lên: 20/06/2014, 15:20
Báo cáo hóa học: " Multistage Quadrature Sigma-Delta Modulators for Reconfigurable Multi-Band Analog-Digital Interface in Cognitive Radio Devices" pot
... discussed in more detail in Section In the following subsections, multi- band and multistage principles will be presented These are important concepts, considering reconfigurability in the A/D interface ... Based on the spectrum sensing information, find the most harmful blockers (fint,1 and fint,2 ) • In case of mirror-frequency rejecting STF design fint,1 = −fC,1 and fint,2 = −fC,2 Design of a ... improve input image rejection in case of feedback branch mismatches also in a multistage modulator realizing multi- band conversion This was shown in [19] and [30] for single-stage QΣΔMs and in [21]...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: "Performance characterization of CSMA/CA adapted multi-user MIMO aware MAC in WLANs" ppt
... refers to point-topoint MIMO communication where a transmitter transmits multiple independent data streams destined for a single receiver Whereas, MU-MIMO refers to point-tomultipoint communication ... reciprocity principle, i.e in the assumption of same channel characteristics in uplink and downlink in contiguous transmission with TDMA This method can be considered as a semi blind channel state ... not increase linearly in M1 and M2 while in M3 it increases more or less linearly with antenna elements but not with DR Note that in all these cases there is no linear throughput-delay gain with...
Ngày tải lên: 20/06/2014, 22:20
Báo cáo hóa học: " Research Article An Adaptive Channel Model for VBLAST in Vehicular Networks" doc
... using the received signal in order to increase the interval between successive training intervals Several channel tracking algorithms are available for single and multiple antenna systems In ... realistic only in rich scattering channels We also note that the correlation increases as the line of sight strength increases since the received signal becomes dominated by the line of sight component ... on the accuracy of channel state information (CSI) In a fast varying channel, the channel estimate must be updated more frequently Generally, a training sequence is used for channel estimation...
Ngày tải lên: 21/06/2014, 23:20
The 7 Deadly Ins: What to Absolutely, Positively, 100% Put in Your Book Proposal ppt
... you are writing about gardening, you work in a nursery, have a horticultural degree or, at the very least, an award-winning garden! Likewise, if you’re writing about dressing better in corporate ... Heel Your Dog,” tell them that Just like a query letter, consider the opening paragraph carefully If you can find a great statistic or quote or recent headline that pertains to the topic of your ... paragraph summary of your accomplishments, your unique qualities and abilities, degrees and awards, etc Play up what pertains to the subject you’re writing about – your degree in botany, your MBA, the...
Ngày tải lên: 27/06/2014, 23:20
Computational Modelling of Multi-Scale Non-Fickian Dispersion in Porous Media - An Approach Based on Stochastic Calculus docx
... (E((B(tin ) B(tin ))2 )) (2.3.11) E(( B(tin ) B(tin ))2 ) is the variance of an independent increment { B(tin ) B(tin )} As seen before, Var[ B(tin ) B(tin )] (tin tin ) Therefore, ... discontinuities at finitely many points and we integrate them using the definition of Riemann integral of a function f (t) over the interval [a,b]: b a n f (t ) dt lim f ( in ) ( tin tin ... continuous functions are the main concern The integral converges regardless of the chosen in within [ tin , tin ] A generalization of Riemann integral is Stieltjes integral which is defined...
Ngày tải lên: 28/06/2014, 08:20
Computational modelling of multi-SCale non-fiCkian diSperSion in porouS media - an approaCh BaSed on StoChaStiC CalCuluS ppt
... (E((B(tin ) B(tin ))2 )) (2.3.11) E(( B(tin ) B(tin ))2 ) is the variance of an independent increment { B(tin ) B(tin )} As seen before, Var[ B(tin ) B(tin )] (tin tin ) Therefore, ... discontinuities at finitely many points and we integrate them using the definition of Riemann integral of a function f (t) over the interval [a,b]: b a n f (t ) dt lim f ( in ) ( tin tin ... continuous functions are the main concern The integral converges regardless of the chosen in within [ tin , tin ] A generalization of Riemann integral is Stieltjes integral which is defined...
Ngày tải lên: 29/06/2014, 09:20
Báo cáo khoa học: " Imaging evaluation of the liver using multi-detector row computed tomography in micropigs as potential living liver donors" pdf
... the line installed in an ear vein The micropigs were endotracheally intubated and ventilated (250 ml, frequency 10 to 12 per min) during the entire experiment and ventilation was stopped during ... scanning delay for the arterial phase imaging was achieved by using an automatic bolus tracking technique (Siemens, Germany) Single-level monitoring low-dose scanning (120 kVp, 20 mAs) was initiated ... vein draining into the inferior vena cava of the micropig Total volume of the liver parenchyma is calculated by serial CT scans in micropig No Representative figure on set the freehand outlining...
Ngày tải lên: 07/08/2014, 23:22