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1.前言本节阐述PXI(仪用PCI扩充)规范的主要目的和基本内容。它也定义了预期的用户并列出相关的术语和文件。 1.1. 目的 PXI是应广大仪器仪表与自动化领域用户的要求编制的,以期从易于集成和使用的小型系统获得与日俱增的性能、功能与可靠性。PXI利用现有的工业标准PXI以较低廉的成本获得高的部
1. Preface This section describes the main purpose and basic content of the PXI (Instrument PCI Expansion) specification. It also defines the intended users and lists the relevant terms and documents. 1.1. PURPOSE PXI was developed to meet the needs of a wide range of instrumentation and automation users in the hope of gaining increased performance, functionality and reliability from small systems that are easy to integrate and use. PXI uses the existing industry standard PXI to get high parts at a lower cost