Today, we are thinking to raise Farmer’s income through various means and measures. Implementation of new crop patterns, technology inclusion and promoting the eshtablishment of numerous agro processing industries will play a major role in agriculture sector. The labour issue is also one of the main concerns in many of the agricultural activities. In this paper we propose a technological evolvement in onion detection process, where we apply image processing and sensory mechanism to identify sprouted and rotten onions respectively. This will yield to quick, accurate and prompt supply of goods to the market, irrespective of lack of consistent but costly manpower. The efficiency of this prototype in identifying the sprouted onions with the help of camera is observed to be upto 87% and also the response of Gas sensing system in detecting rooten onions under prescribed chamber dimensions is analysed and obtained encouraging results.
DS-CDMA featuring asynchronous multiple access, robustness to frequency selective fading and multipath combining is chosen as air interface standard in WCDMA. WCDMA works with 5MHz and chip rate of 3.84Mcps. As it supports variable spreading factor to achieve flexible data rate, during high transmission rate uses short spreading code. But users with these smaller spreading codes may experience inter-path interference (IPI) as it exhibits poor correlation. Even today, to exploit receive diversity, RAKE receiver is used as a front end in CDMA systems. The interference becomes a limiting factor for the performance of conventional RAKE receivers. In this paper LMMSE estimator and MSE of error covariance matrix is derived with different optimization criterion is discussed.
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