نتایج جستجو برای: distribution system ds
تعداد نتایج: 2742667 فیلتر نتایج به سال:
This paper proposes a new scheme for bulk system restoration considering the available black-start resources (BSRs) in distribution (DS). The DS assisted generator start-up sequence (D-GSS) is realized decentralized way, so that it does not only benefit GSS by utilizing BSRs DS, but also respects independent operation of transmission operator (TSO) and operators (DSOs). First, D-GSS presented i...
A class of generalized multicarrier direct sequence code-division multiple-access (MC DS-CDMA) schemes is defined and its performance is considered over multipath Nakagamifading channels. The spacing between two adjacent subcarriers of the generalized MC DS-CDMA is a variable, allowing us to gain insight into the effects of the spacing on the bit error rate (BER) performance of MC DS-CDMA syste...
We consider the (coupled) Davey-Stewartson (DS) system and its Bäcklund transformations (BT). Relations among the Davey-Stewartson system, the double KadomtsevPetviashvili (KP) system and the Ablowitz-Ladik hierarchy (ALH) are established. The DS hierarchy and the double KP system are equivalent. The ALH is the BT of the DS system in a certain reduction. From the BT of coupled DS system we can ...
Multiuser detection/Interference Cancellation techniques have greatly increased the capacity of wireless network. In the present paper, we focus on successive decoding DS{CDMA system. By successively decoding the strongest user and cancelling out its parts from the received signal in the decreasing received power order, the in{ cell interference is minimised. In a multicellu-lar environment, th...
Planar polarity is a fundamental property of epithelia in animals and plants. In Drosophila it depends on at least two sets of genes: one set, the Ds system, encodes the cadherins Dachsous (Ds) and Fat (Ft), as well as the Golgi protein Four-jointed. The other set, the Stan system, encodes Starry night (Stan or Flamingo) and Frizzled. The prevailing view is that the Ds system acts via the Stan ...
Although liposomes have been used as a vehicle for delivery of therapeutic agents in oncology, their efficacy in targeting brain tumors has been limited due to poor penetration through the blood-brain barrier. Because convection-enhanced delivery (CED) of liposomes may improve the therapeutic index for targeting brain tumors, we conducted a three-stage study: stage 1 established the feasibility...
In this paper, the system performance of an MC-DS-CDMA (multi-carrier directsequence coded-division multiple-access) system operating in Nakagami-m fading channels with correlation characteristics is studied. In order to avoid the difficulty of explicitly obtaining the pdf (probability density function) for the SNR (signal-to-noise ratio) at the output of Rake receiver, an expression of distrib...
This article considers a quaternary direct-sequence code-division multiple-access (DS-CDMA) communication system with asymmetric quadrature phase-shiftkeying (AQPSK) modulation for unequal error protection (UEP) capability. Both time synchronous and asynchronous cases are investigated. An expression for the probability distribution of the multiple-access interference is derived. The exact bit-e...
To achieve a more sustainable supply of electricity and reduce dependency on fuels, the application renewable energy sources-based distribution systems (DS) is stimulating. However, intermittent nature sources reduces overall inertia power system, which in turn seriously affects frequency stability system. A virtual synchronous generator can provide inertial response support to DS. existing act...
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