state of the art challenges and perspectives

... delayed and subtracted from the signal picked up by the front microphone The directivity pattern of the system is defined by the ratio r of the internal delay Ti and the external delay due to the ... result from a DFT transform of an input signal block For the determination of the filter weights, the knowledge of the distribution of the real and imaginary parts of Signal Processing in High-End ... currently becoming state of the art for hearing aids (i) the type of the hearing aid: behind -the- ear (BTE) or in -the- ear (ITE), (ii) the vent size, (iii) obstacles around the hearing aid (hands, hats,...

Ngày tải lên: 23/06/2014, 01:20

... the confined space of the pores will be characterized by the geometry of the environment of the active site (ED and ER ) and by the chemical composition of the environment (EP and EN ) Derouane ... framework atoms, but are partially delocalized through the bulk Thus when the size of the zeolite channels approaches the size of the confined molecule, the density of the most external molecular ... shortening of the fluorescent lifetimes, the observation of vibronic couplings, the appearance of room-temperature phosphorescence, and the shift of the Raman peaks to lower vibration energy due to the...

Ngày tải lên: 08/10/2015, 23:55

... system, the use of discretized side chains, and the lack of precise modeling of backbone flexibility, affect the reliability of the method Therefore, instead of relying on the accuracy of the single ... correspond to the “three whales” of bio-sensing and match to the three parts of the word BIO-SEN-SOR The first section of the book is focused on the principles and techni‐ ques of bio-selective ... Organization of Results” The division of the chapters into sections is based on the major focus of these studies and is not limiting the topics handled – valuable results and new ideas of different...

Ngày tải lên: 16/03/2014, 12:20

Ngày tải lên: 23/03/2014, 16:20

Ngày tải lên: 31/03/2014, 00:20

... definition of “perceived difference”; • • • 1st approach: minimize the sum of distances between colors and the centers of color clusters resulting in the quantization process ( minimize the sum of distances ... color The perceptual attributes of color = the HVS specific attributes in the perception and description of a color: Brightness; Nuance (Hue); Saturation (Purity) • Note: the RGB space (the primary ... but in the HVS – the color perceived at a spatial location is influenced by the color of all the spatial locations in the field of view! Future issues for color image processing: use the human...

Ngày tải lên: 24/04/2014, 13:36

... the state- of- the- art of materials and devices in the area of nanotechnology in medical applications The review was performed on the request of the Department of Pharmaceutical Affairs and Medical ... basic understanding of the origin of the unique properties of nanomaterials Therefore this report starts with a short section explaining the definitions and features of nanoscience and nanotechnology, ... and Medical Technology of the Ministry of Health, Welfare and Sports in the Netherlands The information gathered here is presented as basic information to staff of this department who are involved...

Ngày tải lên: 28/05/2014, 14:35

... of the order of 20 rpm Yet, the higher the gear ratio, the greater the losses due to friction, and the higher the weight of the device These considerations, together with the metabolic cost of ... motion, the means by which the device is attached to the body, the convenience of use of the device, the effect of the additional weight of the device on the amount of effort expended by the wearer, ... devices use the energy from the relative motion between the foot and the ground during the stance phase (the phase in which the foot is on the ground) Others use the energy from the bending of the shoe...

Ngày tải lên: 19/06/2014, 08:20

... majority of used MAVs are on the larger side The state of the art in mobile robots 5.1 Design methodology The development of any type of mobile robot is challenging and takes a lot of time and considerations ... Another important aspect of intuitiveness lies in the way to learn skills and re-apply the skills Certainly, with the skills learnt, the operator can easily handle other types of parts, and the ... step, the three small wheels revolve around the public center of the wheels to traverse over the obstacle This type of wheel overcomes the shortcomings of 34 Mobile Robots - State of the Art in Land,...

Ngày tải lên: 27/06/2014, 00:20

... measured as the distance from the centre of one ridge to the centre of another Both the pressure and the humidity of finger will influence the ridge distance The ridge distance of high pressure and wet ... skin diseases, either the color of the skin or the ridge lines on the fingertip could be influenced If only the color of the skin is changed, we can avoid the problem by eliminating the optical sensor ... have the right to republish it, in whole or part, in any publication of which they are the author, and to make other personal use of the work Any republication, referencing or personal use of the...

Ngày tải lên: 28/06/2014, 14:20

... regulator" and affects the function of many other channels in the epithelium [8] Notable among them is the amiloride-sensitive epithelial sodium channel (ENaC), which accounts for the bulk of salt and ... promise of mucociliary clearance as a direct result of the salt transport defect, promotes retention of bacteria in the mucus of the airways of patients with CF and allows them to multiply there The ... other knockout mice and mice with the ∆F508 mutation and other amino acid substitutions have been produced These mice, for the most part, lack function of the CFTR chloride channel However, their...

Ngày tải lên: 13/08/2014, 13:20

... trends in the genus Homo has been the reduction of tooth size, together with the prominence of the jaws in the structure of the skull In many anatomy texts, teeth are presented as part of the alimentary ... alimentary canal They touch every particle of the food passing through the mouth and are marked by this passage Their form is presumably an adaptation to the nature of the food, and the effect of a lifetime’s ... entity; the dentition Like bone, the three dental tissues, enamel, dentine and cement are calcium phosphate and organic composites and as the hardest parts of the body, bones and teeth are the part...

Ngày tải lên: 29/09/2014, 18:14

... THE MODELLING OF STATE OF THE ART TAXI OPERATIONS AND DISPATCHING APPROACHES WU XIAN 2013 THE MODELLING OF STATE OF THE ART TAXI OPERATIONS AND DISPATCHING APPROACHES ... within the confidence interval a(t) the decision profile of all taxi agents at time t ai(t) the decision of the taxi agent of VTi(t) a-i (t) the set of decisions of all taxi agents except the one of ... at the taxi stand T0 the customer’s queuing time at the taxi stand before booking a taxi Tmax the maximum time the customer can wait at the taxi stand Ti O the number of occupied hours of the...

Ngày tải lên: 08/09/2015, 19:37

... which then passes the signal to the standard circuit and to the sample The amplifier unit then measures the response AC signal of the sample and the standard circuit The software controls the AC ... of impedance and the product of the resistance, the capacitance, and the frequency of measurement As a result, the phase angle of a sample is determined by the electrical conductivity Since the ... The measured impedance data can be plotted [1] either in the form of: • Bode – Bode plot which consists of real part of the impedance [Re (Z)] as function of frequency and imaginary part of the...

Ngày tải lên: 26/09/2015, 10:59

... groundwater Soft sandstone, quartz and sand aquifers are generally very low in dissolved solids and minerals On the other hand, thermal waters of volcanic and tectonic origin in the Albertine Rift, and ... Issues in the Democratic Republic of the Congo: Challenges and Opportunities This technical report is part of the overall Post-Conflict Environmental Assessment of the Democratic Republic of the Congo ... predicament is the cumulative result of a lack of maintenance and investment, suspension of donor aid from 1992-2001 and the impacts of prolonged conflict As of the end of 2006, out of REGIDESO’s...

Ngày tải lên: 06/03/2014, 16:20

... Overall, the theories that attempt to explain food craving emphasize the role of food deprivation (with the consequent psychological and physical discomfort) or the role of the 40 State of the Art of ... respectively The α isoform of human GR resides primarily in the cytoplasm of cells and represents the classic GR that functions as a ligand-dependent transcription factor The β isoform of the human ... disorders 36 State of the Art of Therapeutic Endocrinology and with low negative affect and normal weight participants usually eat a similar amount of food under the same experimental conditions The conclusion...

Ngày tải lên: 16/03/2014, 21:20

Ngày tải lên: 17/03/2014, 02:20

... text-to-speech synthesis, processing the idiosyncrasy of Thai text and handling the tones interplaying with intonation are the topics that make the TTS algorithm for the Thai language differrent from others ... speech recognition and (3) speech synthesis Most of the research in (1) done by the linguists are on the basic study of Thai phonetics e.g [13] In speech recognition, most of the current research ... from others In the research, the first successful system was accomplished by [14] and later by NECTEC [15] Both systems employ the same synthesis technique based on the concatenation of demisyllable...

Ngày tải lên: 17/03/2014, 07:20

Ngày tải lên: 23/03/2014, 14:20

... demonstrate the contexts in which the triple occurs The number of relations marked will depend on the time available to the lexicographer, as well as the complexity of the sense division to be made The ... pairs, and relation-W2-Prep triples for the word The number of patterns shown is set by the user, but will typically be over 200 These are listed for each relation in order of salience , with the and- or ... just one of the word's senses The user then has the task of associating, by selecting from a pop-up menu, the required sense for unambiguous clues Reference can be made at any time to the actual...

Ngày tải lên: 24/03/2014, 03:20