This specification is designed for use in conjunction with other families of documents such as IEEE Std1101.x, IEEE Standard for Mechanical Core Specifications for Microcomputers; IEEE Std 896.x, IEEE Standard Backplane Bus Specification for Multiprocessor Architectures: Futurebus+; IEEE Std 1596-1992, IEEE Standard for Scalable Coherent Interface (SCI); IEEE Std 1014-1987, IEEE Standard for a Versatile Backplane Bus: VMEbus; IEEE Std 1296-1987, IEEE Standard for a High-Performance Synchronous 3… read more 2-Bit Bus: MULTIBUS®2 II; and IEEE Std 1301-1991, IEEE Standard for a Metric Equipment Practice for Microcomputers—Coordinating Document. This standard is intended to be used as a core specification. It contains the minimum environmental withstand conditions that are applicable to computer modules/circuit boards and all of the components attached to those modules. It has been created to provide general environmental withstand conditions for one or more of the previously listed computer buses or interconnect standards. It may also apply to electronic equipment in general. read less

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This standard will be designed for use in conjunction with P896.10 (Spaceborne Futurebus+ Profile Specifications) for specification of environmental withstand conditions applicable to spaceborne computer modules/circuit boards and all of the components attached to the modules.

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This standard specifies methods to validate computational electromagnetics (CEM) computer modeling and simulation (M&S) techniques, codes, and models. It is applicable to a wide variety of electromagnetic (EM) applications including but not limited to the fields of electromagnetic compatibility (EMC), radar cross section (RCS), signal integrity (SI), and antennas. Validation of a particular solution data set can be achieved by comparison to the data set obtained by measurements, alternative… read more codes, canonical methods, or analytic methods. read less

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This recommended practice is a companion document for IEEE Std 1597.1-2008.1 It provides examples and problem sets to be used in the validation of computational electromagnetics (CEM) computer modeling and simulation techniques, codes, and models. It is applicable to a wide variety of electromagnetic (EM) applications including but not limited to the fields of electromagnetic compatibility (EMC), analysis of radar cross section (RCS), signal integrity (SI), and the analysis of antennas. This document shows how to validate a particular solution data set by comparing it to the data set obtained by measurements, alternate codes, canonical, or analytic methods.

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This recommended practice defines the functions, performance, interface, and environmental conditions of vital computers used in rail transportation systems such as railways, metros, light transport, and trams. This recommended practice is applicable to vital computers for onboard and wayside equipment. This recommended practice is not applicable to the application systems which are developed based on vital computers and does not define specific safety targets for application systems, but the… read more safety-related conditions for application systems are proposed. It is difficult to regulate internal structure and technical realization of vital computers, because of the great diversity that exists. In order to encourage technical competition and prompt the development of technology and industry, this recommended practice does not constrain or recommend the internal structure and technical realization of vital computers. Only the preliminary interface is defined in this recommended practice, on a function level. The detailed interface of a vital computer is not covered and can be defined in the form of external interface specifications. Compliance with the provisions of this recommended practice does not guarantee or ensure safety, security,health, or environmental protection. Users are responsible for observing all applicable legal and regulatory requirements. read less

定价： 59元 / 折扣价： 51 元

This recommended practice views the CASE adoption process as more than the selection of CASE tools. The CASE adoption process consists of the activities by which an organization identifies appropriate CASE tools and related technologies and introduces them into general use. The steps of a successful CASE adoption process include the following: a) Defining CASE needs b) Evaluating and selecting CASE tools c) Conducting a pilot d) Fostering routine use of the tool A successful CASE adoption… read more process is not limited solely to tool use. Rathere, it embraces the planning and implementation of an entire set of technical, organizational, cultural, and management processes necessary to achieve the required organizational improvements. It is founded upon a strong understanding of what CASE tools can and cannot do for the organization. Steps a) through d) above are appropriate for a wide range of computing organizations, including those that develop management information systems and those that develop scientific and technical systems. This recommended practice can also be of benefit to government and commercial software organizations. Specific situations may influence the manner in which CASE adoption is performed. For example, when a specific tool is mandated by customer preference or contract requirements, adoption steps will require tailoring to reflect the predetermined nature of tool selection. In other cases, the relative simplicity or complexity of the tool, the degree to which the tool supports or conflicts with existing processes, the required degree of integration with other tools, and the characteristics and experience of the targeted users, may lead to the tailoring of the adoption process. read less

定价： 146元 / 折扣价： 125 元

This standard defines a Serial Highway (SH) system using byte-organized messages, and configured as a unidirectional loop to which are connected a system controller and up to sixty-two CAMAC* crate assemblies in accordance with ANSI/IEEE Std 583-1982, [Modular Instrumentation and Digital Interface System (CAMAC*)] or other controlled devices. The highway transfers data and control information in either bit-serial mode (using one data signal and a bit-clock signal) or byte-serial mode (using… read more eight data signals and a byte-clock signal). Clock rates up to 5 MHz may be used, depending on individual system characteristics. read less

定价： 129元 / 折扣价： 110 元