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Digital phonetic chaotic secret communication system

A technology of secure communication and digital voice, which is applied in the field of communication systems and can solve problems such as the impact of communication security

Inactive Publication Date: 2004-06-23
上海科鸣机械设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In the existing technology, the security technology used in communication is mainly realized by encoding, and through the linear or nonlinear transformation of the information codeword, the information will not be cracked during the transmission process, but when this technology is actually used, Since the detection party can search according to the coding rules of the codeword, most of them can be decrypted under long-term calculation, thus affecting the confidentiality of communication

Method used

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Embodiment Construction

[0005] The present invention is a digital voice chaotic secure communication system, said digital voice chaotic secure communication system is composed of a voice encoding circuit and a voice decoding circuit, and is characterized in that said voice encoding circuit is connected with a chaotic modulator, said The voice decoding circuit is connected with a chaotic demodulator, the voice coding circuit encodes the voice signal into an electronic signal, and the signal is modulated by the chaotic modulator, and the chaotic demodulator receives the signal For demodulation, the speech decoding circuit further decodes and outputs the signal. Specifically, the chaotic modulator is connected with a signal monitoring circuit.

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Abstract

The digital phonetic chaotic secret communication system consists of phonetic coding circuit and phonetic decoding circuit, and features that the phonetic coding circuit encodes the phonetic signal into electronic signal, the chaotic modulator completes the signal modulation, the chaotic demodulator demodulates the received signal and the phonetic decoding circuit decodes and output the signal.

Description

Technical field: [0001] The invention relates to a communication system, in particular to a digital voice chaos security communication system. Background technique: [0002] In the existing technology, the security technology used in communication is mainly realized by encoding, and through the linear or nonlinear transformation of the information codeword, the information will not be cracked during the transmission process, but when this technology is actually used, Since the detecting party can search according to the encoding rules of the codeword, most of them can be decrypted under long-term calculation, which affects the confidentiality of communication. Invention content: [0003] The technical problem to be solved by the present invention is: in the prior art, the security technology used in communication is mainly realized through encoding, and through the linear or nonlinear transformation of the information codeword, the information will not be cracked during th...

Claims

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Application Information

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IPC IPC(8): H04K1/00
Inventor 阮震祥
Owner 上海科鸣机械设备有限公司
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