نتایج جستجو برای: سیستمهای غیرخطی siso
تعداد نتایج: 15116 فیلتر نتایج به سال:
This work represents the development of robust control methods in the tasks of adaptation of SISO linear time-invariant plant with unknown parameters and disturbance. This problem is solved by ( 1 ) 1 2 ( − + ρ n )-order regulator. Copyright © 2007 IFAC
Recent wireless communication standards such as 3GPP-LTE, WiMax, DVB-SH, HSPA and LTE / LTE advanced incorporate turbo code for their excellent performance. In this paper, we present a new 3 dimensional turbo decoder including bit error rate (BER) is much better than the 2 dimensional turbo decoder used by LTE / LTE advanced, as is illustrated by simulation. We also address the issue of the imp...
Calculating the \soft inverse" of a deterministic nite-state machine (FSM) via the SISO (soft-in/soft-out) module is a key operation in many data detection/decoding algorithms [1, 3]. Perhaps the most appreciated application is iterative decoding of concatenated codes. The standard SISO algorithm is the forward-backward algorithm (e.g., [1, 3]) which can be derived from the generalized distribu...
With the one-bit time reversal ultra wideband (OTR-UWB) transceiver, the data symbols are encoded using the reversed order of the channel phase. The major factor limiting SISO OTR capacity and performance is intersymbol interference (ISI). As the data rate goes up, the ISI becomes more severe and it degrades system performance and capacity. In this article, a new single input multiple output (S...
Al~lract--Motivated by a crucial role blocking zeros play in deciphering the strong stabilizability of a given system, a careful study of blocking zeros is undertaken here. After developing certain properties of blocking zeros and based on the multiplicity structure of invariant zeros, we identify what kind of invariant zeros are blocking zeros. For controllable and observable systems, an invar...
An Iterative MIMO Receiver Employing Virtual Channels with a Turbo Decoder for OFDM Wireless Systems
This paper proposes a novel iterative multiple-input multiple-output (MIMO) receiver for orthogonal frequency division multiplexing (OFDM) systems, named as an “iterative MIMO receiver employing virtual channels with a Turbo decoder.” The proposed MIMO receiver comprises a MIMO detector with virtual channel detection and a Turbo decoder, between which signals are exchanged iteratively. This pap...
A soft-input soft-output (SISO) multiuser detector (MUD) suitable for inclusion in iterative processing architectures is presented and applied to the detection of the coded time division multiple access (TDMA) cellular uplink. A SISO-MUD processor is located at each base station in the network, and adjacent base stations share information concerning the mobiles they serve. Because the MUD outpu...
Year 2021 is special. It sees the renaissance of concept phase and birth a theory for matters much beyond complex numbers single-input single-output (SISO) linear time-invariant (LTI) systems while we celebrate 60th birthday Lei Guo, an exemplary research leader our times. Here give short tutorial newly developed theory, as present.
Active vibration control is an important problem in structures. The objective of active vibration control is to reduce the vibrations of a system by automatic modification of the system’s structural response. In this paper, the modeling and design of a fast output sampling feedback controller for a smart flexible beam system embedded with shear sensors and actuators for SISO system using Timosh...
در جهان پر از تحول و تغییر امروز، اطلاعات بعنوان یک منبع کلیدی برای افزایش میزان موفقیت سازمانها از طریق ایجاد تغییر در ماهیت انجام کار و وظایف و فعالیتها مطرح شده ا ند . بر همین اساس، سازمانها بمنظور حداکثر کردن اثربخشی استراتژیک خود، به دنبال ایجاد روشهایی جهت برنامه ریزی سیستمهای اطلاعاتی می باشند. برنامه ریزی سیستمهای اطلاعاتی استراتژیک به فرایند ایجاد یک پرتفوی برای استقرار و استفاده از سی...
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