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Bücher von Rahul Kumar Verma

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  • 15% sparen
    von Rahul Kumar Verma
    34,00 €

    A microstrip patch antenna has a conducting patch which is made of such metals as copper or gold and printed on a grounded dielectric substrate. These antennas are low profile, lightweight, easy fabrication, conformable to planar and non-planar surfaces compatible with MMIC design. A conventional microstrip patch antenna has the disadvantage of narrow bandwidth this poses a challenging task for the microstrip antenna designer to meet the broadband technique. The antennas for portable WLAN device require broadband, high gain, and compact design. As a result of these parameters, multiband antenna techniques have attracted more attention. Recently many new technologies have been proposed for multiband antenna design. In this work rectangular and an equal area, triangular patch antennas are designed and simulated. Overall comparison is made between the antennas.

  • 16% sparen
    von Shashi Prakash Vishwakarma, Preetam Saran & Rahul Kumar Verma
    46,00 €

    Rapeseed and mustard is a major oil seed crop of India after groundnut. The chemical fertilizer is the mainstay of agricultural production due to insufficient availability of alternative nutrient source. The organic resources available presently, could meet nearly one-third of total nutrients required to achieve the targeted level of food production. The soils of Indo-Gangetic Plain, are showing signs of fatigue due to falling organic carbon levels and deficiencies of macro, secondary and micro nutrients. The integrated use of organic and inorganic source of nutrient ensures better and sustainable yields. In the light of present investigation it may be concluded that 100% NPK + 5t FYM + 40 kg S ha-1 can be recommended to the farmers for successful cultivation of mustard in addition to improving fertility status viz., N, P, K, S and Zn of soil.

  • 15% sparen
    von Vijay Kumar, Rahul Kumar Verma & Keshav Charan
    34,00 €

  • 15% sparen
    von Vijay Kumar, Amit Kumar Singh & Rahul Kumar Verma
    34,00 €

  • 18% sparen
    von Rahul Kumar Verma
    51,00 €

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