Theory, Analysis, and Design of Differentially-Driven Microstrip Antennas

2006 ◽  
Author(s):  
Y. P. Zhang
Keyword(s):  
Microstrip Antennas ◽  
Theory Analysis ◽  
Analysis And Design

Screening for Cancer: Theory, Analysis, and Design.

1984 ◽  
Vol 79 (388) ◽  
pp. 959
Author(s):  
Neil Dubin ◽  
David M. Eddy
Keyword(s):  
Theory Analysis ◽  
Analysis And Design

The Design of a Microstrip Antenna with Radiation Pattern Controlled

2011 ◽  
Vol 143-144 ◽  
pp. 32-36
Author(s):  
Su Ling Wang ◽  
Ya Ting Gan ◽  
Guo Dong Wang
Keyword(s):  
Radiation Pattern ◽  
Radiation Intensity ◽  
Microstrip Antenna ◽  
Communication Systems ◽  
Microstrip Antennas ◽  
Theory Analysis ◽  
Antenna Theory

Microstrip Antennas have many applications in various communication systems. A new configuration of microstrip antenna is proposed in this paper. The microstrip antenna has two radiation ports. Through changing the radiation intensity of the two ports, the proposed structure breaks the balance of the radiation of the microstrip antenna therefore the radiation pattern would be changed corresponsively. Theory analysis is carried out based on microstrip antenna theory. Both analysis and simulation show that the new configuration can realize the radiation pattern controlled and the theory analysis agreed very well with simulation.

Theory, analysis and design of high order reflective, absorptive filters

2017 ◽  
Vol 11 (6) ◽  
pp. 787-795 ◽  
Author(s):  
Senad Bulja ◽  
Andrei Grebennikov ◽  
Pawel Rulikowski
Keyword(s):  
High Order ◽  
Theory Analysis ◽  
Analysis And Design

Simulation of Digital Radio Mondiale (DRM) Coverage Prediction – A study case with Radio Republik Indonesia (RRI)

2017 ◽  
Vol 4 (1) ◽  
pp. 32-36
Author(s):  
Nabila Husna Shabrina
Keyword(s):  
Service Planning ◽  
Propagation Model ◽  
System Specification ◽  
Theory Analysis ◽  
Digital Radio ◽  
Analysis And Design ◽  
Transmitter Power ◽  
Antenna Type ◽  
Radio Systems ◽  
Coverage Prediction

In this paper, DRM is applied for simulating coverage prediction in Radio Republik Indonesia (RRI). The proposed method is developed by simulating high frequency propagation from RRI Pro 3 transmitter with VOACAP online software. The simulation is undertaken in some different conditions. The variation of antenna type and transmitter power are observed in the simulation. The time of propagation also discussed to predict the coverage. The result shows that the variation of parameter influences the coverage result of DRM propagation in HF band. Changing the antenna type and time of propagation will make impact in the range of coverage while adding power transmitter gives insignificantly effect to the range of coverage. Keywords—DRM, Prediction Coverage, VOACAP REFERENCES [1] ITU R-REP-BS.2144-2009-PDF-E, “Planning parameters and coverage for Digital Radio Mondiale (DRM) broadcasting at frequencies below 30 MHz”, 2009. [2] M. J. Bradley, “Digital Radio Mondiale: System and Receivers”,Roke Manor Research Ltd, UK, 2003 [3] G. Prieto, I. Pichel, D. Guerra, P. Angueira, J.M. Matias, J.L. Ordiales, A. Arrinda, “Digital Radio Mondiale: Broadcasting and Reception”, IEEE Press, 2004. [4] DRM Features, available under http://www.drm.org [5] “Digital Radio Mondiale (DRM); System Specification,” European Telecommunication Standards Institute (ETSI), ETSI TS 101980, 2001. [6] D. Setiawan, “Alokasi Frekuensi, Kebijakan dan Perencanaan Spektrum Indonesia”, Departemen Komunikasi dan Informatika, 2010. [7] P.A Bradley, Th Dambold, P.Suessmann, “Propagation model for HF Radio Service Planning”, HF Radio Systems and Techniques, Conference Publication No 474 0 IEE, 2000. [8] J.J. Carr, “Practical Antenna Handbook 4th Edition”, McGraw Hill, 1990. [9] J.M Matias et al, “DRM (Digital Radio Mondiale) Local Coverage Tests Using the 26 Mhz Broadcasting Band”, IEEE Transactions on Broadcasting, Vol. 53, No. 1, August 2007. [10] C. A. Balanis, “Antenna Theory Analysis and Design”, 2nd ed, John Wiley & Sons, 2005. [11] Keputusan Direktorat Jendral Pos dan Telekomunikasi Nomor 85/DIRJEN/1999, “Spesifikasi Teknis Perangkat Telekomunikasi, Persyaratan Teknis Perangkat Radio Siaran”, Jakarta, 1999.

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