the iranian poultry sector has experienced many significant structural changes in recent years. such changes may have influenced price dynamics and transmission of shocks through marketing channels especially on retail markets. this paper investigate price transmission, threshold behavior and asymmetric adjustment in poultry sector of ardebil (ar), east azerbaijan (ea) and west azerbaijan (wa) ...

over the past three decades vertical price transmission analysis has been the subject of considerable attention in applied agricultural conomics. it has been argued that the existence of asymmetric price transmission generates rents for marketing and processing agents. retail prices allegedly move faster upwards than downwards in response to farm level pricemovements. this is an important issue...

Magnetic interaction can be utilized for remote actuation of surgical manipulators. However, platforms currently available for that purpose have limited workspaces, inadequate field strength or very low bandwidth of the electrical subsystem. In this paper, we present BigMag, a novel platform capable of magnetic steering of continuum manipulators for medical purposes. BigMag comprises of 6 mobil...

In this paper, a novel error floor prediction model is proposed for estimating the peak performance of the OFDM transmission in a small-time-dispersion environment – typically indoor. The obtained analytical formula involves both the accordingly modified common channel time-dispersion parameters such as the rms delay spread, but distinct for the advanced multipath echoes and the delayed ones (w...

We present multi-adaptive versions of the standard continuous and discontinuous Galerkin methods for ODEs. Taking adaptivity one step further, we allow for individual timesteps, order and quadrature, so that in particular each individual component has its own time-step sequence. This paper contains a description of the methods, an analysis of their basic properties, and a posteriori error analy...

INTRODUCTION Detection and subsequent correction of sensorimotor timing errors are fundamental to adaptive behavior. Using scalp-recorded event-related potentials (ERPs), we sought to find ERP components that are predictive of error correction performance during rhythmic movements. METHOD Healthy right-handed participants were asked to synchronize their finger taps to a regular tone sequence ...

Accurate methods of assessing the performance of quantum gates are extremely important. Quantum process tomography and randomized benchmarking are the current favored methods. Quantum process tomography gives detailed information, but significant approximations must be made to reduce this information to a form quantum error correction simulations can use. Randomized benchmarking typically outpu...

This paper presents a soft-output version of the Malgorithm (SOMA) to reduce the complexity of a turbo multiuser detector in a DS-CDMA system employing a forward error correction code. The SOMA reduces the complexity by pruning an equivalent tree that represents all possible transmit signalvectors. It utilizes paths that are traversed but discarded in a pruned tree to reduce the total number of...

The goal of the research described in this article is to determine in what way speech recognition errors can be handled best in a multimodal form-filling interface. Besides two well-known error correction mechanisms (re-speaking the value and choosing the correct value from a list of alternatives), the interface offers a novel correction mechanism in which the user selects the first letter of t...