汤姆逊无线电公司是法国生产雷达的最主要厂商之一。除了本国使用以外,它还将其各种产品、甚至整套的防空系统,销售给别的国家,例如为巴西建造的 DACTA 系统就是其中一例。DACTA 是一个民用空中交通管制和军用防空设备相结合的综合系统,其中包括不同型号的雷达设备、控制中心、空对地和地对空通信设备,以及处理雷达、飞机和防御信息的电子系统。当然,不同的国家对防空系统的要求并不一样,但总能确定某些基本任务,由这些基本任务产生的基本问题对所有的国家来说都是 Thomson Radio is one of the leading manufacturers of radar in France. In addition to its domestic use, it also sells its various products, and even its entire air defense system, to other countries, such as the DACTA system built for Brazil. The DACTA is a combined system of civil air traffic control and military air defense equipment that includes different types of radar equipment, control centers, air-to-ground and earth-to-sky communications equipment and electronic systems that handle radar, aircraft and defense information. Of course, the requirements of different countries for air defense systems are different, but certain basic tasks can always be identified. The basic problems arising from these basic tasks are for all countries