The invention discloses a digital generation method, system and device for an instrument landing standard signal and a medium. The method comprises the following steps: generating an intermediate-frequency digital landing standard signal based on four baseband signals of a channel CSB, a channel SBO, a clearance CSB and a clearance SBO, an intermediate-frequency reference signal in-phase component, an intermediate-frequency reference signal orthogonal component, a baseband signal in-phase adjustment coefficient and a baseband signal orthogonal adjustment coefficient; generating an intermediate-frequency simulation landing standard signal based on the intermediate-frequency digital landing standard signal; generating a radio frequency simulation landing standard signal based on the carrier frequency setting command parameter; and performing signal quality monitoring on the radio frequency simulation landing standard signal to obtain a baseband signal adjustment coefficient, and adjusting the amplitude and phase of the radio frequency simulation landing standard signal. The beneficial effects of the invention lie in that through the digital modulation, phase and power closed loop technology, the influence of temperature characteristics is reduced, the wave power stability is improved, the phase drift is reduced, the carrier leakage index is reduced, and the error compensation difficulty is reduced.

    本申请公开了仪表着陆标准信号的数字化生成方法、系统、设备及介质。其方法包括:基于航道CSB、航道SBO、余隙CSB、余隙SBO四种基带信号、中频参考信号同相分量和中频参考信号正交分量、基带信号同相调整系数和基带信号正交调整系数,生成中频数字着陆标准信号;基于中频数字着陆标准信号生成中频模拟着陆标准信号;基于载频设置命令参数,生成射频模拟着陆标准信号;对所述射频模拟着陆标准信号进行信号质量监视,获取基带信号调整系数,调整所述射频模拟着陆标准信号的幅度和相位。本申请的有益效果在于:通过数字调制、相位和功率闭环技术,降低了温度特性的影响,提高了波功率稳定性,降低了相位漂移,减小了载漏指标,降低了误差补偿的难度。


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    Title :

    Digital generation method, system and equipment of instrument landing standard signal and medium


    Additional title:

    仪表着陆标准信号的数字化生成方法、系统、设备及介质


    Contributors:
    LIU YUEKUN (author) / ZHONG LUNLONG (author) / WU RENBIAO (author) / LI XIUQING (author) / ZHAI WENGUANG (author) / GUO JIANLI (author) / ZHANG SHENGHUA (author) / QI YUJUN (author) / DUAN JINGHONG (author)

    Publication date :

    2024-04-12


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01S RADIO DIRECTION-FINDING , Funkpeilung / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / H03D Demodulation oder Übertragung einer Modulation von einem Träger auf einen anderen , DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER / H03H IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS , Scheinwiderstandsnetzwerke, z.B. Resonanzkreise



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