digital switching systems(system reliability and analysis)

... CHAPTER BASIC RELIABILITY CONCEPTS AND ANALYSIS Reliability concepts and analytical techniques are the foundation of this book. Many books dealing with general and specific issues of reliability ... (1990), Hoyland & Rausand (1994), Elsayed (1996), and Blischke & Murthy (2000). Some basic and important reliability measures are introduced in this chapter. Since...

Ngày tải lên: 01/06/2014, 00:08

... smoothness and the con- tinuity of the curve, the internal energy governs the first and second deriv- atives of the contour, i.e., (2.25) where F and G are constants and and are the first and second derivatives ... communications, and in evolving areas such as video interpretation and understanding. In this book, we seek both to establish the current state of the art in the util...

Ngày tải lên: 05/06/2014, 12:06

... appears inadequate reliability with the rather low reliability coefficient (0.53) and low difficulty and discriminability index and is not valid enough with many weak items and unbalanced parts. ... brief discussion about reliability and validity. 2.3.1 Test Reliability Reliability has been defined in different ways by different authors. Perhaps the best way to look at...

Ngày tải lên: 07/11/2012, 15:05

... downstream and closure of a valve upstream. Some results by Ramos et al. are available for the first case and guide vane closure of a turbine, and they were obtained in lab conditions and compared ... Q R and H R the rated conditions for the discharge and net head of the turbine. Figure 3. Comparison between experimental data and numerical simulation of a turbine ov...

Ngày tải lên: 05/09/2013, 14:58

... final electricity and heat consumption, for the years 2004 -2006 and the electricity generation structure and gross consumption for 2009 are presented in Table 6 and Figures 1 and 2 respectively. ... of energy policy and modelling, development & administration of DSS and in lectures and seminars of the NTUA and the Technical Chamber of Greece regarding energy policy a...

Ngày tải lên: 05/09/2013, 16:10

... bandwidth constraint  Nyquist bandwidth constraint:  The theoretical minimum required system bandwidth to detect Rs [symbols/s] without ISI is Rs/2 [Hz].  Equivalently, a system with bandwidth ... filter Equalizing filter Threshold comparison For bandpass signals Compensation for channel induced ISI Baseband pulse (possibly distored) Sample (test statistic) Baseband pulse Received wav...

Ngày tải lên: 18/10/2013, 06:15

... Group Inc. is prohibited. and off-line interview and test tools, and then the company conducts an online pre-employment background check and makes a job offer to the best candi- date. Categories ... Category and Location are the most widely supported job attributes by the search engine (78 and 74 Web sites, respectively). Searches for Job Type and Experience are the least suppor...

Ngày tải lên: 24/10/2013, 08:20

... next-generation products and services. And as networks migrate and expand to include more complex services, reliability and flexibility become even more vital to their success. That is why digital system ... networks demand a migration platform equipped with the cable management and physical rearrangement flexibility to accommodate new services and network elements. Today...

Ngày tải lên: 04/11/2013, 13:15

... (2009-08) – Digital Video Broadcasting (DVB); Second generation framing structure, channel coding and modulation systems for Broadcasting, Interactive Services, News Gathering and other broadband satellite ... SCHWARZ - SOUND and TV BROADCASTING – CCIR and FFC tv standards – Printed in the federal republic of Germany. 18. 3GPP2 C.S0011-C, version 2.0 – Recommended Minimum Perfor...

Ngày tải lên: 26/11/2013, 20:44