Metadata and User Interfaces: Promises and Problems

investigation of single-user and multi-user detection methods in mc-cdma systems and comparison of their performances

در این پایان نامه به بررسی روش های آشکارسازی در سیستم های mc-cdma می پردازیم. با توجه به ماهیت آشکارسازی در این سیستم ها، تکنیک های آشکارسازی را می توان به دو دسته ی اصلی تقسیم نمود: آشکارسازی سیگنال ارسالی یک کاربر مطلوب بدون در نظر گرفتن اطلاعاتی در مورد سایر کاربران تداخل کننده که از آن ها به عنوان آشکارساز های تک کاربره یاد می شود و همچنین آشکارسازی سیگنال ارسالی همه ی کاربران فعال موجود در...

RFID: Promises and Problems

With the advent of wireless technology, a rapidly advancing area is that of Radio Frequency Identification Devices or RFID. RFID technology was first developed as an espionage device during World War II. However, nearly 30 years of research was required before it became a part of our everyday lives. Informally, RFID can be considered a non-contact method of using radio frequency electromagnetic...

Prostate IMRT: Promises and Problems

Introduction Prostate is one of the treatment sites that is well suited for IMRT. For localized prostate cancer radiation therapy it is one of the effective modalities. However, radiation induced complications such as, urinary incontinence, rectal bleeding are some of the side effects. With traditional treatment techniques such as 4-field box or bi-lateral arc, doses in the range of 60-70Gy can...

Food Irradiation - Problems and Promises

It has been stated that food irradiation represents the most significant discovery in food processing since Nicholas Appert invented canning in 1810. Certainly it is a process with great future potential; it is attractive because it works without heating the product, it is effective within sealed containers as well as for bulk usage, and it does not leave chemical residues on the treated food. ...

Big Data: Promises and Problems