مولانا سید فخرالدین احمد
شیخ الحدیث مولانا سید فخرالدین احمد صاحب کی وفات دینی و علمی دنیا کا بڑا حادثہ ہے، مرحوم ہندوستان کے نامور عالم دین دارلعلوم دیوبند کے شیخ الحدیث اور جمعیۃ علماء ہند کے صدر تھے، ان کی پوری زندگی دینی علوم کی خدمت میں گذری، تقریباً نصف صدی تک مدرسہ مسجد شاہی مراد آباد اور دارالعلوم دیوبند میں ان کا فیض جاری رہا، جس سے سیکڑوں تشنگان علم سیراب ہوئے، مولانا سید حسین احمد صاحب مدنی ؒ کے بعد دارالعلوم کے شیخ الحدیث کے منصب پر فائز ہوئے، درس و تدریس کے ساتھ ملک و ملت کے بھی مجاہد بھی تھے، خلافت اور ہندوستان کی آزادی کے تحریکوں میں نمایاں حصہ لیا اور قید و بند کی مصیبتیں جھیلیں، تدین و تقویٰ میں سلف صالحین کا نمونہ تھے، اﷲ تعالیٰ ان کے مدارج بلند فرمائے۔ (شاہ معین الدین ندوی، اپریل ۱۹۷۲ء)
The freedom of thought and expression has acquired a diversity of meanings and limitations determined by the evolving socio-historical contexts of various civilizations through the history. This piece of research briefly investigates the history of evolution of this concept in Islamic and Western intellectual circles and then intends to focus upon the elaboration of this idea by Imam Badi-uz-Zaman An-Naurasi. Iman Naurasi supports the human right of thinking and expressing ideas freely but at the same time recognizes the need of divine intervention in delimiting its boundaries. Humans, if left entirely unrestricted to make their choices in life, would only bring about disastrous results and thus lead to cessation of a collaborative social life. Therefore, Imam proposes that humanity should abide by some universal principles and high moral values inspired by the divine revelation so that the society could collectively ensure the pursuit of human progress and well-being. Imam proves his point through the instances from the Islamic history that divinely guided freedom of thought and expression provided the world with a vivid model of life which provided people the rights of choosing everything in their life ranging from faith to marital and economic decisions.
Efficient Blind Source Separation for Next Generation Wireless Networks Independent component analysis (ICA) is a signal processing technique for separating statistically independent and non-Gaussian mixed source signals. It has its applications in different areas e.g., wireless communication, speech and biomedical signal processing, vibration analysis, and machinery fault diagnosis. In wireless co well as in quasi static wireless channels, even for smaller data block lengths. Simulation results show that the proposed transceiver system improves the un-mixing performance of the batch ICA algorithms in highly time varying channels. Then, we propose a generalized framework called the modified Infomax algorithm that improves the separation performance of the batch ICA algorithms for reduced lengths of the transmitted data blocks in wireless MIMO systems. Finally, we propose a hardware design of the mixing model for the ICA algorithms. The proposed model represents unity mixing, scaled mixing and ill-conditioned mixing. The proposed model may serve as a test bench for evaluating the performance of the ICA algorithms. Simulation results obtained are such that the unity mixing provides excellent performance of the batch ICA algorithms, while the scaled mixing provides good performance and the ill-conditioned mixing gives worse performance of the algorithms