Tài liệu Cardiovascular Development Methods and Protocols ppt
... Medicine, Cornell University, Ithaca, NY, USA 11 Xu Peng and Marc Antonyak (eds.), Cardiovascular Development: Methods and Protocols, Methods in Molecular Biology, vol. 843, DOI 10.1007/978-1-61779-523-7_2, © ... material and methods. The major goal of this book is to provide the step-by-step protocols for both beginner and experience scientist in the fi eld of cardiovasc...
Ngày tải lên: 12/02/2014, 16:20
... methods, and called both of these types of methods. You have also implemented instance and static fields. You have seen how to make fields and methods accessible by using the public keyword, and ... purely to act as a holder of utility methods and fields. A static class cannot contain any instance data or methods, and it does not make sense to try and create an object...
Ngày tải lên: 15/12/2013, 00:15
... cumbersome and time consuming to modify. Wiring had to be removed and replaced to provide for the new control scheme required. This modification was difficult and time consuming to design and install and ... handling discrete inputs and outputs (that is, on-off type signals), while today's systems can accept and generate analog voltages and currents as well as a wide rang...
Ngày tải lên: 22/12/2013, 21:18
Tài liệu GSM Switching, Services and Protocols P4 ppt
... the control and modi®cation of extended services and are only usable in connection with a telecommuni- cation service. 4 Figure 4.1: Bearer and teleservices GSM Switching, Services and Protocols: ... services and employ arbitrary higher-level protocols, but they are responsible for the compatibility of the protocols used in the terminal equipment, quite in contrast to teleservic...
Ngày tải lên: 23/12/2013, 17:15
Tài liệu GSM Switching, Services and Protocols P7 ppt
... the handover procedure, which is also initiated only from the network side and, for example, becomes necessary if the current cell is left. In contrast to assignment command,ahandover command ... BSIC and BCCH frequency), the procedure variant to establish a physical channel (asynchronous or synchronous handover, Figure 7.24), and a handover reference number. Having received a handover ....
Ngày tải lên: 20/01/2014, 23:20
Tài liệu GSM Switching, Services and Protocols P9 pptx
... activates an appropriate modem function and converts the digital data signals into an analog voiceband signal. The IWF digitizes this voiceband signal again and passes the data on in PCM-coded format ... network transition switching unit and carried as a voiceband signal in the PSTN to the analog terminal. After these introductory remarks, the GSM data and teleservices and their rea...
Ngày tải lên: 20/01/2014, 23:20
Tài liệu GSM Switching, Services and Protocols P11 pptx
... perfor- mance criterion is standardized, the lower are the costs of development and introduction, since all manufacturers and operators contribute to paying the costs. On the other hand, the network operators ... multiband terminals during the last years (dualband, triband). Multiband systems permit the simultaneous operation of base stations with different frequency ranges. In connecti...
Ngày tải lên: 20/01/2014, 23:20
Tài liệu GSM switching services and protocols P4 ppt
... the control and modi®cation of extended services and are only usable in connection with a telecommuni- cation service. 4 Figure 4.1: Bearer and teleservices GSM Switching, Services and Protocols: ... services and employ arbitrary higher-level protocols, but they are responsible for the compatibility of the protocols used in the terminal equipment, quite in contrast to teleservic...
Ngày tải lên: 26/01/2014, 12:20
Tài liệu Lecture 28: Trunks and Multiplexing: pptx
... cables or fiber optic strands. All these media have their band limitation, copper have the lowest. So we need lots of links and this is again impractical in terms of costs and some time impossible ... multiplexed together (5x48 kHz = 240 kHz Bandwidth) • Mastergroup - 10 supergroups multiplexed together (10x240 kHz = 2400 kHz Bandwidth) • Other standards also exists - up to 230000 voi...
Ngày tải lên: 10/12/2013, 08:15
Tài liệu Active Directory Installation and Deployment ppt
... will discuss next. You may take this blueprint and deployment plan and use it as a template for your own project, expanding or cutting and pasting to and from it as you need, or just use the examples ... this information, open the Active Directory Domains and Trusts and select the domain in the tree, on the left-hand pane. Right-click the domain name and select Properties. Serve...
Ngày tải lên: 10/12/2013, 16:15