The design uses code hopping technology to protect the system from various invasions including "copy and replay" and "scanner".
这里采用先进的跳码技术,可有效防范常见的“拷贝重发”和“扫描式”等入侵方式。
参考来源 - 基于跳码技术的无线密码锁设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
User password, manage passwords and code hopping hierarchical management, user and admin password can modify according to customer needs.
用户密码、管理密码和跳码分级管理，用户密码和管理密码都可以根据客户需求自行修改。
Also, this paper describes the main control unit and the whole design of the system, and analyzes the encryption principle of the code hopping encoder adopted by this system.
描述了系统主控单元的选择及系统的整体设计，分析了系统所采用滚动编码的加密原理并对滚动编码与固定编码的安全性作了比较。
However, the cost of process hopping to the database is still high, thus performance on the data tier is the first place to look when optimizing your code.
然而进程跳跃到数据库的成本依然很高，因此数据层的性能是您在优化代码时首先要考虑的问题。
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