通信消息集 Dictionary Set

[中文适用范围]： 此抽象语法符号 (ASN.1) 文件是用于 SAE 国际标准 J2735 的精确源代码。作为国际条约的一部分，所有美国 ITS 标准均以“ASN.1 语法”表示。 ASN.1 语法用于定义消息或“ASN 规范”。编译器工具使用 ASN.1 规范生成 ASN 库，然后使用该库生成编码（J2735 消息集使用 UPER 编码）。该库是一组许多单独的文件，它们共同实现了标准的编码和解码。然后，任何应用程序（以及该应用程序的附加逻辑）都可以使用该库来管理消息。所选择的 ASN 工具用于在发生更改时生成库的新副本，然后将其链接到正在开发的最终应用程序。 ASN 库管理与 ASN 语法相关的许多细节，允许进行微妙的操作以充分利用编码风格。 [外文原描述]： This Abstract Syntax Notation (ASN.1) File is the precise source code used for SAE International Standard J2735. As part of an international treaty, all US ITS StandardDetails are expressed in "ASN.1 syntax". ASN.1 Syntax is used to define the messages or "ASN specifications". Using the ASN.1 specification, a compiler tool produces the ASN library which will then be used to produce encodings (The J2735 message set uses UPER encoding). The library is a set of many separate files that collectively implement the encoding and decoding of the standard. The library is then used by any application (along with the additional logic of that application) to manage the messages. The chosen ASN tool is used to produce a new copy of the library when changes are made, and it is then linked to the final application being developed. The ASN library manages many of the details associated with ASN syntax, allowing for subtle manipulation to make the best advantage of the encoding style.The J2735 Standard specifies a message set, and its data frames and data elements, specifically for use by applications intended to utilize the 5.9 GHz Dedicated Short Range Communications for Wireless Access in Vehicular Environments (DSRC/WAVE, referenced simply as "DSRC") communications systems. The ASN.1 integrates software for validation of telecommunications and networking. Although the scope of this Standard is focused on DSRC, this message set, and its data frames and data elements, have been designed, to the extent possible, to be of potential use for applications that may be deployed in conjunction with other wireless communications technologies as well. This Standard therefore specifies the definitive message structure and encoding and provides sufficient background information to allow readers to properly interpret the message definitions from the point of view of an application developer implementing the messages according to the DSRC StandardDetails.