نتایج جستجو برای: nco
تعداد نتایج: 550 فیلتر نتایج به سال:
A series of novel neutral pentacoordinate silicon(IV) complexes with SiClSN(2)C, SiBrSN(2)C, SiSN(3)C, SiSON(2)C, SiS(2)N(2)C, SiSeSN(2)C and SiTeSN(2)C skeletons (compounds 1-12) was synthesised, starting from PhSiCl(3), PhSiBr(3), PhSi(NCO)(3), MeSiCl(3) or C(6)F(5)SiCl(3). Compounds 1-12 contain (i) a tridentate dianionic N,N,S chelate ligand (derived from 2-{[(pyridin-2-yl)methyl]amino}benz...
در سالهای اخیر خسارت سفیدبالک نیشکر Neomaskellia andropogonis Corbett. در مزارع نیشکر استان خوزستان افزایش چشمگیری یافته است. در این پژوهش زیست شناسی این آفت روی چند رقم تجاری در شرایط آزمایشگاهی بررسی شد. در این آزمایش دوره رشد پیش از بلوغ، طول عمر و میزان تخم ریزی سفیدبالک نیشکر با استفاده از قفس برگی روی برگ های ارقام1062-69CP، 614-57CP، 103-48CP و310-NCO در اتاقک رشد با دمای1±27 درجه سانتی ...
—In this paper, a fine frequency synchronization method with low complexity is proposed for Multi-Band Orthogonal Frequency Division Multiplexing (MB-OFDM) based Ultra-Wideband (UWB) systems. Low complexity is still one of the major difficulties in the design of fine frequency synchronizer for MB-OFDM UWB systems due to arctangent operations and Numerically Controlled Oscillator (NCO), both of...
The formation of healthy gametes depends on programmed DNA double-strand breaks (DSBs), which are each repaired as a crossover (CO) or non-crossover (NCO) from a homologous template. Although most of these DSBs are repaired without giving COs, little is known about the genetic requirements of NCO-specific recombination. We show that Fml1, the Fanconi anemia complementation group M (FANCM)-ortho...
This paper presents high-speed low-power small-area accumulator designs to be used in DDFS systems. To reduce the Numerically Controlled Oscillator (NCO) design complexity and size, only the most significant bits of the accumulator drive the phase to amplitude mapping block. Those bits need to be updated on every sampling clock, while the least significant bits of the accumulator are not visibl...
Abstract Herein we report the manipulation of perpendicular magnetic anisotropy (PMA), a very important technique for spintronics devices, which is achieved in an all-solid-state redox (reduction/oxidation) device. The device consisted NiCo 2 O 4 (NCO) thin film with c -axis orientation and proton-conducting polymer (Nafion). PMA NCO can be manipulated situ low voltage ( V ? 0.7 V) due to utili...
In high dynamic situations, the GPS carrier tracking loop requires a wide bandwidth to track a carrier signal because the Doppler frequency changes more rapidly with time. However, a wide bandwidth allows noises within the bandwidth of the tracking loop to pass through the loop filter. As these noises are used in the numerical controlled oscillator (NCO), the carrier tracking loop of a GPS rece...
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