نتایج جستجو برای: distribution system ds

تعداد نتایج: 2742667  

Journal: :IEEE Transactions on Power Systems 2021

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...

Journal: :IEEE Trans. Communications 2002
Lie-Liang Yang Lajos Hanzo

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...

1998
Masato Hisakado

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 ...

1997
Chun C. Chan

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...

Journal: :Development 2006
José Casal Peter A Lawrence Gary Struhl

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 ...

Journal: :Cancer research 2004
Ryuta Saito John R Bringas Tracy R McKnight Michael F Wendland Christoph Mamot Daryl C Drummond Dmitri B Kirpotin John W Park Mitchel S Berger Krys S Bankiewicz

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...

2006
Joy Iong-Zong Chen

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...

2005
C.-W. Wang W. Stark

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...

Journal: :Sustainability 2022

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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