The application of watchdog technique realized by software and hardware in the aircraft navigation data interface board of the some type camera is introduced.
介绍一种将软件和硬件相结合实现的“看门狗”技术在某型相机导航数据接口板中的应用。
The feasible software anti - pirated strategy includes activation strategy, watchdog strategy and increment service strategy, but utilization of these strategies also accords with software nature.
激活策略、加狗策略、增值服务策略都是软件反盗版的可行策略，但对这些策略运用也要因软件而异。
Based on the experiments, the reason of breakup and hardening technology are studied. The validity of instruction redundancy, software trap and watchdog for anti-breakup are validated by experiments.
在实验的基础上，分析了死机产生的原因及加固方法，并通过实验验证了指令冗余、软件陷阱和看门狗等措施对防止单片机死机的有效性。
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