An urianibiguous definition of space is necessary before a n j attenipt niade to develop product or process niodels for concurrent engineering in the AEC Industry. The ambiguit;\, is the resur‘t of cliffererit and even conflicting approach to its definition in the various phases o f the buildirig life cjcle for direrent stukeholders, e.g. Architects, Eiigitieers, arid Brtii‘ditig Services Eiigi...

Active cancellation stealth is a significant developing direction in modern stealth technology field. In this paper, according to characteristics of linear frequency modulated (LFM) signal and nonlinear frequency modulated (NLFM) signal, the cancellation signal was designed. An important parameter called cancellaty which is used to measure the effect of cancellation is proposed. The basic theor...

BACKGROUND Case cancellation can be very distressing not only to the patient and relatives but also to health care professionals. OBJECTIVES This study aims at detecting the causes of case cancellations on the intended day of surgery (DOS) at a tertiary hospital in Enugu that handles both elective and emergency cases. METHODS The data was extracted retrospectively from the anesthetists' dai...

− In this paper, performance of OFDM digital communication systems have been analyzed with improved ICI cancellation technique. The bit error rate has been regarded as a fundamental information theoretic measure of a communication system. A novel parallel ICI cancellation technique has been proposed for mitigating frequency offset of OFDM digital communication systems. The simulated results of ...

This paper presents a new ultra-wideband LNA which employs the complementary derivative superposition method in noise cancellation structure. A pMOS transistor in weak inversion region is employed for simultaneous second- and third-order distortion cancellation. Source-degeneration technique and two shunt inductors are added to improve the performance at high frequencies. The degeneration induc...