interference problems
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2021 ◽  
Vol 10 (2) ◽  
pp. 1-11
Author(s):  
Firsa Afra Yuslizar ◽  
Zakiyah Arifa

This research is based on the problem of morphological and syntactical first language interference which is often overlooked in second language learning. Interference problems result in misunderstanding the meaning of words or sentences spoken by students towards the second language used. This study attempts to analyze the Indonesian morphological and syntactical interference in speaking Arabic of Al-Kindy community UIN Malang, explaining the factors and implications of interference in learning speaking Arabic. This research method uses a descriptive qualitative approach, and the data are collected through observation by analyzing subject audio documentation data (listening technique- note-taking technique) and interviews. The results showed that members of the al-Kindy community experienced Indonesian morphological interference in word formation, merging/compounding, repetition/reduplication. Meanwhile, Indonesian syntactical interference occurs in: adding sentence elements, errors (sentence elements, sentence location, phrase formation), and missing sentence elements. The factors of the interference are bilingualism, vocabulary mastery, motivation, and psychology of speakers towards the Arabic used. Interference has implications for barriers and challenges in Arabic language learning. The barriers are in the intensity of language interference phenomena, so the language quality is stagnant, and the challenges are to make interference phenomena as motivation for learners to evaluate the language learning process better


As the number of apps increases, the traffic of multimedia services in wireless networks grows exponentially. Because of the proportional fair algorithm's shortcomings in terms of achieving Quality of Service (QoS) requirements such as delay and packet loss, it is not extensively employed in modern wireless communication. This study provides a scheduling method based on the QoS utility function, with a parameter added to improve the priority mechanism in order to overcome such flaws. Our scheduling algorithm can match the QoS criteria of real-time traffic, according to simulation results, and the overall system transmission performance has increased significantly.


2021 ◽  
Vol 3 (1) ◽  
pp. 47-54
Author(s):  
Mahmood F . Mosleh ◽  
Faeza A. Abed ◽  
Zahraa Abbas Hamza

Designing a localization system for an indoor environment faces more challenges because of multipath and interference problems. In this field, the most important techniques used for such environment, are RSS and ToA which need to be improved especially from more interference because of the huge multipath problems. In this paper, a case study of a selected building is chosen in order to apply the proposed technique of this research. Such proposal is based on the PT ‎ of the area in the case study into MZ. Each zone is allocated special values for the parameters used to estimate the target positions. WI package is used to simulate the case study area and apply such proposal based on RSS and ToA. The results confirm that the estimated locations are close to the real locations by the average error of (2.8) meter and (0.192) meter for ToA corresponding one zone and four zones ‎respectively. ‎ In contrast, the results of our experiment show that the accuracy is improved from an average error of (2.4) meter and (0.217) meter for RSS corresponding one zone and four zones ‎respectively‎. Such results confirm that dividing the case study area into more zones leads to more accuracy.


2020 ◽  
Vol 12 (12) ◽  
pp. 168781402097554
Author(s):  
Ching-chih Wei ◽  
Wei-chen Lee

Five-axis machining is commonly used for complicated features due to its advantage of rotary movement. However, the rotary movement introduces nonlinear terms in the kinematic transform. The nonlinear terms are related to the distance between the cutter location (CL) data and the intersection of the two rotary axes. This research studied the possible setup positions after the toolpaths have been generated, and the objective was to determine the optimal setup position of a workpiece with minimal axial movements to reduce the machining time. We derived the kinematic transform for each type of five-axis machines, and then, defined an optimization problem that described the relationship between the workpiece setup position and the pseudo-distance of the axial movements. Eventually, an optimization algorithm was proposed to search for the optimal workpiece setup position within the machinable domain, which is already concerned with over-traveling and machine interference problems. In the end, we verified the optimal results with a case study with a channel feature, which was real cutting on a table-table type five-axis machine. The results show that we can save the axial movements up to 16.76% and the machining time up to 10.70% by setting up the part at the optimal position.


2020 ◽  
Vol 1 (1) ◽  
pp. 44-54
Author(s):  
Wahdatur Rike Uyunul Mukarromah

There have been many cases containing the intervention or intervention of parents in the life of the child's family, along with the impacts that occur in the child's household. Having a family Ideally has your residence, not living with your parents (in-laws). With separate living quarters so that we can manage our household wheels. The authors also encountered a variety of Parental Interference Problems and their Impact on Children's Households. This is what makes the author interested in researching three families in Mayang Village, Mayang Subdistrict, Jember Regency who still live under the same roof as their parents who experience disharmony due to parents who should not have to interfere with their child's household.


Author(s):  
Thomas Bauer ◽  
O. M. Tsaryk ◽  
N. V. Rybina

The article is devoted to the study of bilingualism and interference problems in the development of modern society. The paper elaborates a theoretical background for the analysis of those two phenomena. As a result, the research has found that in the process of intercultural/interlingual communication there is an inevitable clash of two languages, the result of which is a new cognitive emotional language cultural space, which is a manifestation of interference. The paper has also proposed solutions to the problem of interfered speech. It has been given the available programs for foreign languages improvement as well as recommendations for future studying of these very problems.


Metals ◽  
2020 ◽  
Vol 10 (2) ◽  
pp. 168 ◽  
Author(s):  
David Munoz-Martin ◽  
Yu Chen ◽  
Miguel Morales ◽  
Carlos Molpeceres

Laser-induced forward transfer (LIFT) technique has been used for printing a high viscosity (250 Pa·s) commercial silver paste with micron-size particles (1–4 µm). Volumetric pixels (voxels) transferred using single ps laser pulses are overlapped in order to obtain continuous metallic lines. However, interference problems between successive voxels is a major issue that must be solved before obtaining lines with good morphologies. The effects of the laser pulse energy, thickness of the donor paste film, and distance between successive voxels on the morphology of single voxels and lines are discussed. Due to the high viscosity of the paste, the void in the donor film after a printing event remains, and it negatively affects the physical transfer mechanism of the next laser pulses. When two laser pulses are fired at a short distance, there is no transfer at all. Only when the pulses are separated by a distance long enough to avoid interference but short enough to allow overlapping (≈100 µm), is it possible to print continuous lines in a single step. Finally, the knowledge obtained has allowed the printing of silver lines at high speeds (up to 60 m/s).


Author(s):  
Federico Figueredo ◽  
Federico Girolametti ◽  
Silvia Illuminati ◽  
Cristina Truzzi ◽  
Anna Annibaldi ◽  
...  

The northern Adriatic Sea is a particular water system, in which the levels of nutrients are commonly low or unbalanced. In general, phosphate detection can be done with the classical molybdenum-blue method. However, the method cannot be used in oligotrophic seawater samples due to its low sensitivity and high interference problems. In this study, we present a new electrochemical method, based on the application of a plastic conductive electrode containing a molybdenum reagent embedded. The sensitivity for phosphate was high enough to detect this nutrient in oligotrophic seawater.


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