故提出层次代码编码体制，及其代码识别和控制函数。
Hierarchical code system, identifying code and control functions was presented.
我们利用该新算法以更低的计算复杂度计算出了LILI- 128流密码体制的降次函数。
When applied to LILI-128 cryptographic system to construct depressed functions, the new algorithm obtains a lower computational complexity.
在这些密码体制中，欧拉函数起着重要作用。
In these cryptosystems, Euler totient functions play an important role.
NTRU公钥密码体制的陷门单向函数与以往的有所不同，其单向性依赖于会话密钥的随机性，且解密不需要知道有关随机会话密钥的任何信息。
The trapdoor one-way function in NTRU is different from previous ones. Its one-wayness depends on the randomness of session keys, and decryption needs not any information about the session key.
本文结合新型体制脉内调频、脉间步进跳频雷达，分析推导了该信号形式的模糊函数。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
本文结合新型体制脉内调频、脉间步进跳频雷达，分析推导了该信号形式的模糊函数。
The ambiguity function of intra-pulse chirp and inter-pulse stepped frequency signal is analyzed and obtained according to new type radar. Firstly, the expression of the signal is given.
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