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从世界范围来看,一些传统上主要采用大型干线客机作为平台的军用特种任务飞机,近年来逐渐向支线客机和公务机倾斜,这在空中预警/指挥飞机领域表现得尤为明显。先前各国的主力空中预警机普遍采用大型民用客机/军用运输机作为搭载平台,例如美国E-3、俄罗斯A-50预警机的载机平台分别为波音707-320B远程客机、伊尔-76大型军用运输机。但20世纪90年代以来,瑞典、以色列、巴西等国相继推出了一系列利用支线客机(“萨伯”-340、EMB-145等)/公务机(“湾流”G550)平台改装的中小型预警机,均投入现役。随着分布式阵列雷达和共形天线等技术的发展成熟,传统预警机上的大型雷达
From a global point of view, some military special mission aircraft that traditionally employ large mainline passenger aircraft as a platform have gradually been inclined to regional airliners and business jets in recent years, which is particularly evident in the field of airborne early warning / command aircraft. For example, the E-3 of the United States and the Russian carrier of the A-50 AWACS are the Boeing 707-320B long-range passenger aircraft and the Il-76 large-scale military transport aircraft. However, since the 1990s, Sweden, Israel, Brazil and other countries have successively introduced a series of platforms that are modified with the support of regional passenger aircraft (“Saab” - 340, EMB-145, etc.) Small and medium-sized early warning aircraft, are put into active service. With the development of technologies such as distributed array radar and conformal antenna, the large radar on traditional AWACS