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Register a new userMultiband Microstrip antenna for 5G
هوائي شرائحي متعدد الحزم (المجالات) للجيل الخامس للاتصالات
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و لذلك تم في هذا البحث تقديم طريقة لتحسين المجال الترددي للهوائي الشرائحي لكي يدعم المجالات الترددية المطلوبة في الجيل الخامس للاتصالات بالإضافة إلى المجالات الترددية للأجيال السابقة للاتصالات الخلوية. و ذلك من خلال إضافة العديد من الفراغات على سطح الهوائي الشرائحي و خط التغذية و شريحة الأرضي، بشكل يؤدي إلى تحسين توزع انتشار التيار الكهربائي على الشريحة و توليد المجالات الترددية المطلوبة .
.In this paper we present a new method to improve microstrip patch antenna bandwidth to support 5Generatiton and previous generations frequency bands ,at our proposed method multi slots have been made in microstrip patch antenna to get the maximum current distribution on the surface & get desired improvements.
References used
Vivek Hanumante, Panchatapa Bhattacharjee, Sahadev Roy, Pinaki Chakraborty, Santanu Maity,” Performance Analysis of Rectangular Patch Antenna for Different Substrate Heights” INTERNATIONAL JOURNAL OF INNOVATIVE RESEARCH IN ELECTRICAL, ELECTRONICS,Vol.2, Issue 1, January 2014
K.V. Rop , D.B.O. Konditi,” PERFORMANCE ANALYSIS OFA RECTANGULAR MICROSTRIP PATCH ANTENNA ON DIFFERENT DIELECTRIC SUBSTRATES”, Innovative Systems Design and Engineering, ISSN 22221727 (Paper) ISSN 22222871 (Online) Vol 3, No 8, 2012
Ms. Priyanka Deosarkar, Prof. Mrs. S. A. Shirsat, "Bandwidth Enhancement of Microstrip Antenna Using PartialGround",International Journal of Scientific& Engineering Research, ISSN 2229-5518, Volume 4, Issue 11, November-2013
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This research present a novel reconfigurable patch antenna
to support 5G and previous generations frequency bands ,at this
proposed method multi slots have been made in microstrip patch
antenna and three PIN diode at ground The Reconfigurability i
s
done by changing the status (ON - OFF) of the PIN diode on ground
substrate to get butter current distribution on the surface which
led to multiple BW .
This article proposes a possible improvement for a printed logperiodic
dipole antenna (LPDA). The improvements makes the
antenna capable to operate over a multi frequency bands between
(0.5 – 12) GHz. This antenna has a small dimension suitable for any mobile application.
In this research, tri-band microstrip band pass filter (BPF) has
been designed at frequencies (2.37,3.32 ,5.2)GHz which are
located at the domain of WiMAX and WLAN systems’
application by using tri-section stepped impedance resonators
TSSIRs with
open stub and zero feed line. By changing ratios
of impedance of stepped impedance resonator.
طريقة العناصر المنتهية
مرشح تمرير حزمة شرائحي ثلاثي الحزم
رنانات متدرجة الممانعة ثلاثية المقاطع
مقطع عرضي مفتوح
نسب الممانعة
ضياع الإدخال
tri-band microstrip band pass filter BPf
trisection stepped impedance resonators TSSIRs
open stub
ratios of impedance
finite element method FEM
Insertion loss
المزيد..
India is known as the land of many tongues and dialects. Neural machine translation (NMT) is the current state-of-the-art approach for machine translation (MT) but performs better only with large datasets which Indian languages usually lack, making t
his approach infeasible. So, in this paper, we address the problem of data scarcity by efficiently training multilingual and multilingual multi domain NMT systems involving languages of the ?????? ????????????. We are proposing the technique for using the joint domain and language tags in a multilingual setup. We draw three major conclusions from our experiments: (i) Training a multilingual system via exploiting lexical similarity based on language family helps in achieving an overall average improvement of ?.?? ???? ?????? over bilingual baselines, (ii) Technique of incorporating domain information into the language tokens helps multilingual multi-domain system in getting a significant average improvement of ? ???? ?????? over the baselines, (iii) Multistage fine-tuning further helps in getting an improvement of ?-?.? ???? ?????? for the language pair of interest.
This paper illustrates a design of linear array antenna equal space and non uniform
excitation using Dolph – Chebyshev method , We will discuss the designing procedure
for antenna array having odd or even number of elements at two different values
of the
major to minor sidelobe level and at various between spaces , we will calculate the
excitation coefficients and plot the radiation pattern for each case in addition to calculate
both of the half power beam width angel and directivity. Finally : two curves will be
plotted : first of them for beam broadening factor as a function of the major to minor
sidelobe ratio ,the other one for directivity as a function of the array length.
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