نتایج جستجو برای: linear frequency

تعداد نتایج: 937248  

2001
Michael Tüchler Joachim Hagenauer

For coded data transmission over channels introducing inter-symbol interference, one approach for joint equalization and decoding in the receiver is Turbo Equalization. We rederive existing linear equalization algorithms applicable to Turbo Equalization for 2m-ary signal alphabets and compare their computational complexity. Moreover, by evaluating the algorithm performance properly, we select f...

Journal: :IJWMIP 2012
Peter L. Søndergaard Bruno Torrésani Péter Balázs

The Linear Time Frequency Analysis Toolbox is a Matlab/Octave toolbox for computational time-frequency analysis. It is intended both as an educational and computational tool. The toolbox provides the basic Gabor, Wilson and MDCT transform along with routines for constructing windows ( lter prototypes) and routines for manipulating coe cients. It also provides a bunch of demo scripts devoted eit...

2006
Wun-Tat Chan Francis Y. L. Chin Deshi Ye Yong Zhang Hong Zhu

We study the online frequency allocation problem for wireless linear (highway) cellular networks, where the geographical coverage area is divided into cells aligned in a line. Calls arrive over time and are served by assigning frequencies to them, and no two calls emanating from the same cell or neighboring cells are assigned the same frequency. The objective is to minimize the span of frequenc...

Journal: :international journal of civil engineering 0
m.a. rahgozar university of isfahan, isfahan, iran

the interactive effects of adjacent buildings on their seismic performance are not frequently considered in seismic design. the adjacent buildings, however, are interrelated through the soil during seismic ground motions. the seismic energy is redistributed in the neighboring buildings through multiple structure-soil-structure interactions (sssi). for example, in an area congested with many nea...

Journal: :Remote Sensing 2022

We present a simple iterative pre-distortion algorithm for achieving rapid linear frequency sweep of semiconductor lasers. The achieves the desired swept linearity with only four iterations. derive general formula by establishing relationship between laser output and drive current. frequency-swept source obtained this can be used in FMCW LiDAR systems. Experimentally, we investigated using 1550...

Dong-Soo, Kim, Wook Choo, Yun, حسن بازیار, محمد, رابطی مقدم, مسعود,

In this paper,  a numerical model  was first verified against dynamic centrifuge tests results performed on an underground subway tunnel and then, the effect of underground structure on peak ground acceleration (PGA) at the ground surface investigated considering linear and nonlinear behavior for the soil. The results show that in the range of natural frequency of the system, nonli...

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