Abstract. The site amplification factor was usually consid- ered to be scalar values, such as amplification of peak ground acceleration or peak ground velocity, or increments of seis- mic intensity in the earthquake early warning (EEW) system or seismic-intensity repaid report system. This paper focuses on evaluating an infinite impulse recursive filter method that could produce frequency-dependent site amplification and compare the performance of the scalar-value method with the infinite impulse recursive filter method. A large num- ber of strong motion data of IBRH10 and IBRH19 of the Kiban Kyoshin network (KiK-net) triggered in more than 1000 earthquakes from 2004 to 2012 were selected care- fully and used to obtain the relative site amplification ra- tio; we model the relative site amplification factor with a ca- sual filter. Then we make a simulation from the borehole to the surface and also simulate from the front-detection sta- tion to the far-field station. Compared to different simulation cases, it can easily be found that this method could produce different amplification factors for different earthquakes and could reflect the frequency-dependent nature of site amplifi- cation. Through these simulations between two stations, we can find that the frequency-dependent correction for site am- plification shows better performance than the amplification factor relative to velocity (ARV) method and station correc- tion method. It also shows better performance than the aver- age level and the highest level of the Japan Meteorological Agency (JMA) earthquake early warning system in ground motion prediction. Some cases in which simulation did not work very well were also found; possible reasons and prob- lems were analyzed and addressed. This method pays atten- tion to the amplitude and ignores the phase characteristics; this problem may be improved by the seismic-interferometry
A usual way to generate a digital map is through digital instrument , but it costs much time and labor. In order to improve the precision and efficiency, new software named as DMG (Digital Map Generation) is developed and used successfully. The whole process has three main steps:
Abstract—A low-cost very large scale integration (VLSI) implementation of real-timecorrection of barrel distortion for video- endoscopic images is presented in this paper. The correcting mathematical model is based on least-squares estimation. To decrease the computing complexity, we use an odd-order polynomial to approximate the back-mapping expansion polynomial. By algebraic transformation, the approximated polynomial becomes a monomial form which can be solved by Hornor’s algorithm. With the iterative characteristic of Hornor’s algorithm, the hardware cost and memory requirement can be conserved by time multiplexed design. In addition, a simplified architecture of the linear interpolation is used to reduce more computing resource and silicon area. The VLSI architecture of this paper contains 13.9-K gates by using a 0.18 μm CMOS process. Compared with some existing distortion correction techniques, this paper reduces at least 69% hardware cost and 75% memory requirement.
Genes encoding ribozyme RNA have alternating conserved and variable regions, enabling the production of short PCR fragments that are especially suitable as real-time PCR targets. The gene coding for the RNA subunit of RNase P is present in cells in all three domains of life and has been shown to be an excellent target for the identification of bacterial species within the genera Streptococcus (10, 22), Legionella (19), and Chla- mydia (9). The eukaryotic gene RPR1 appears to be more variable within genera than the corresponding gene, rnpB, in prokaryotes, but a conserved core has been found (23). Yeast RPR1 contains high sequence variability and is used here as the target for real-time PCR.
Moreover, the assays developed in this study can be used in duplex reactions for simultaneous detection and differentiation of the two genogroups. The amplicons show a nonoverlapping interval of melting temperatures, and it is therefore possible to distinguish the genogroups from each other. The conserved nature of this part of the NV genome makes it plausible to assume that the melting temperature of different amplicons will not differ much from the intervals described. We have confirmed this by doing an in silico analysis of the melting temperatures of amplicons from different genotypes and vari- ants using sequence data found in GenBank (data not shown). We have demonstrated that a duplex system, consisting of primers targeting NV GI and NV GII, can correctly detect and distinguish between NV GI and NV GII infections (Fig. 3A). FIG. 3. First-derivative dissociation curves. (A) Eight NV GI-positive samples, 10 NV GII-positive samples and 8 negative samples run in triplicates in a duplex real-time PCR assay consisting of both NV GI- and NV GII-specific primer pairs. (B) A patient sample with a mixed infection with NV GI and NV GII, run in duplicate in a duplex real-time PCR assay with both NV GI and NV GII primer pairs.
PURPOSE: To determine the usefulness of transcranial color-coded real-time sonography in detecting occlusion of the horizontal portion of the middle cerebral artery. METHODS: Using transcranial color-coded real-time sonography, we measured the end-diastolic flow velocity with incident angle correction and the side-to-side ratio of the end-diastolic flow velocity (the end- diastolic ratio) in both middle cerebral arteries in 44 patients with or without occlusive disease. Cerebral angiography was carried out in all patients before or within 1 week after sonography. The subjects included 4 patients with unilateral stenosis of the extracranial internal carotid artery ( $ 75%; ICS group), 6 with unilateral occlusion of the extracranial internal carotid (ICO group), 6 with occlusion of the horizontal portion of the middle cerebral artery (M1 group), and 28 without stenotic ( , 75%) lesions in the internal carotid artery (control group). RESULTS: In the control group, the end-diastolic flow velocity was 40.4 6 16.8 cm/s (mean 6 SD) and the end-diastolic ratio was 1.28 6 0.27. In the ICS and ICO groups, the end-diastolic flow velocities on the affected side and the end-diastolic ratios were 33.4 6 9.0 cm/s and 1.35 6 0.24, and 29.6 6 10.2 cm/s and 1.67 6 0.58, respectively. In the M1 group, the end-diastolic flow velocity (16.7 6 4.29 cm/s) on the occluded side was significantly lower than that in the other groups. The end-diastolic ratio (3.53 6 1.47) in the M1 group was significantly higher than that in the other groups. CONCLUSION: The M1 group could be easily distinguished from the other groups on the basis of the end-diastolic ratio. Measurement of the end-diastolic flow velocity and the end-diastolic ratios in the middle cerebral artery by means of transcranial color-coded real-time sonography may help to identify an occlu- sion in the horizontal portion of the middle cerebral artery.
One other advantage of PCR methods is that they can yield an etiological diagnosis after treatment initiation. Depending on the sites of infection and the pathogens, DNA may persist for several weeks (3, 15, 18) or less than 48 h (17, 22). To our knowledge only one study has investigated this property in cases of septic arthritis (23). In this study, broad-range PCR was applied to serial joint fluid samples from six adults with septic arthritis due to various bacteria. Streptococcus pyogenes, Neisseria meningitidis, and Peptostreptococcus anaerobius DNA was detected 1 week after treatment initiation. Likewise, we show here for the first time that K. kingae DNA can be de- tected in joint fluid for up to 6 days after treatment initiation. In conclusion, our new highly specific real-time PCR con- firms that K. kingae is the major bacterial cause of arthritis in children. We provide strong evidence that K. kingae DNA in joint fluids, at least at the time when the specimens were collected, does not arise from DNA circulating in blood and that the bacterial DNA persists for several days after treatment initiation, allowing retrospective diagnosis. In a more general consideration, our real-time PCR may also contribute in the future to the diagnosis of endocarditis, to knowledge on the colonization characteristics of this pathogen, and to outbreak investigation (10).
To characterize the performance of RBED, we com- pare it to the Linux scheduler and to a hierarchical EDF/best-effort scheduler we developed called EDF- Linux. Both Linux and EDF-Linux use the 2.4.20 kernel. EDF-Linux maintains two ready queues, one for peri- odic real-time tasks, scheduled by EDF, and another for best-effort tasks, scheduled by the default Linux sched- uler whenever the real-time queue is empty. All experi- ments were performed on a standard PC Desktop equipped with a 1 GHz Pentium III processor, 512MB RAM, and a 40GB hard drive. In developing our prototype we have run the system over long periods of time. Our general impres- sion is that the scheduler works well. Best-effort tasks ex- hibit “normal” behavior (with default scheduling quanta of 60 ms, the same as the Linux scheduler) and are never com- pletely starved, real-time tasks meet their deadlines, and soft real-time tasks meet their deadlines or run at lower per- formance levels depending upon the amount of resources available. Below we present a series of snapshots that il- lustrate how RBED performs in practice. For simplicity we have drawn the graphs relative to an origin start- ing at (0,0) even though the snapshots were taken from the middle of longer executions.
When science is healthy, scientists are skeptical [106-108]. Just as there was room for T. H. Huxley to doubt Lord Kelvin’s theory of the age of the earth, there is room to questionthe relativity of time given by Albert Einstein’s Theories of Relativity. L. T. More , wrote“The chief incentive to the development of relativity is the desire to express all natural phenomena by a set of simple equations; and he[Magie] is right when he objects to making the demand for simplicity the chief purpose of a scientific theory. It is better to keep science in homely contact with our sensations at the expense of unity than to build a universe on a simplified scheme of abstract equations. And in the last analysis, a solution of our problems must be intelligible to the man of general intelligence as well as to the trained specialist. From the contradictory statements of the specialists themselves he might also include them in the class which finds the Principle of Relativity of dubious clarity.”
Abstract - Realtime virtual dressing room is used in shops, mall and any shopping center. Trying cloths in shopping center is actually a time consuming activity. Besides, it might not even be possible to try on clothes in such cases as online shopping. Our motivation is to increase time efficiency and improve the accessibility of clothes try on by creating virtual dressing room environment. Our aim is to build an interactive and highly realistic virtual machine on which the user can try cloths without wearing it actually.
In many acoustical and vibration measurements, it is much more convenient to work in the frequency domain rather than the time domain. Often, the time domain signal gives too much information in an unintelligible form. Conversion of the signal domain, however, can make the interpretation of data contained by it a much easier matter. This has led to the idea of frequency analysis, where the amplitude against time signal is converted to amplitude against frequency, see (Rao, is of the vibratory signal in the frequency domain is called spectrum analysis. The vibratory signal of a machine running under steady conditions is in the time domain . This signature is generally periodic sturbing forces may have different fundamental frequencies and their harmonics. A periodic motion can be broken down into several harmonic motions using Fourier analysis. A plot can be obtained in the amplitude plane. Such a transformation (time INTERNATIONAL JOURNAL OF CURRENT RESEARCH
The study investigated the possible asymmetric effect of real exchange rate dynamics on agricultural output performance in Nigeria over the period of 1981 to 2016 by collecting data from secondary sources. The study employed a combination of stationary and nonstationary variables as was found out through the ADF unit root test. Based on the Bounds test for cointegration, a long-run relationship was absent between real exchange rate and agricultural output, irrespective of specifications. Generally, the result of model estimation showed that the significant drivers of agricultural output are real exchange rate (log-levels), real appreciation and depreciation (after some lags), industrial capacity utilization rate, and government expenditure on agriculture (after some lags). ACGSF loan exerted positive and insignificant influence on agricultural output. In addition, though the effect of real appreciation was larger than that of real depreciation, the present study could not find any evidence in support of the asymmetric effect of real exchange rate dynamics on agricultural output performance in the Nigerian economy. It is therefore suggested that fiscal and monetary authorities in Nigeria should work in unison at ensuring that the full potentials of the agricultural sector are harnessed for the growth and development of the country.
For many businesses, increasing customer loyalty is their most important objective. Of course, any program de- signed to drive improvement in customer retention will have many components. One important retention strategy includes identifying areas of customer dissatisfac- tion by understanding customer senti- ment, then taking pre-emptive action to improve it. Real-time analytics should employ both an acoustic and linguistic approach to the calculation of customer sentiment, with the ability to recognize pitch, tone, cross talk, laughter and, most importantly, the actual words and phras- es spoken.
priority than writing – no one is ordering you to do that! If you decide to republish a podcast because it was cut off, that is your choice – you could very easily keep writing and simply republish the podcast later. And finally, is the fact that people need some sort of feedback from you, or are providing you with helpful information, really such an enormous problem? Would you be more content if you had five listeners, and no capacity to do this amazing job on a full-time basis? Then you would certainly have fewer interruptions, but your irritation at being interrupted would be replaced by despair about the planet as a whole!” In other words, what I can do in these situations is simply to realign my expectations – which has everything to do with remembering that my core goal every day is to move this philosophical conversation forward in some manner – or, at least, prevent it from being moved backwards! Thus on any given day, my purpose is not to write, or to respond to an e- mail, or to publish a podcast, but rather to do whatever it takes to move this philosophical conversation forward!
An error-correcting code (ECC) is a system of adding parity bits, to a message, such that it can be recovered by a receiver even when a number of errors were introduced, either during the process of transmission, or on storage. Since the receiver does not have to ask the sender for retransmission of the data, a backchannel is not required in forward error correction, and it is therefore suitable for simplexcommunication such as broadcasting. Error correcting codes are also frequently used for reliable storage in media such as CDs, DVDs, hard disks, and RAM.
Etiquette: When you meet face-to-face, you typically shake hands. The equiva- lent greeting in a videoconference is to smile and wave. We are still working out many of the etiquette issues for videoconferencing. For example, if the phone rings while you are in a videoconference, do you answer the phone? When you are on the telephone, you can work on other tasks at the same time; can you write a memo while the other person is watching you? The best answer we can give you at this time is that it depends on your relationship to the other person. If it is someone you know fairly well, you can get away with not devoting your full attention to the videoconference. However, if it is a superior, or someone you need to impress, you ought to devote your full attention to the conference. It is probably best if your first contact with a person whom you never met is over the telephone instead of a videoconference, since the addition of the video signal makes it far more intrusive. Finally, if there are people in the room outside the camera’s eye, you ought to introduce them to the other person.