qkd 中文意思是什麼
qkd
解釋
量子密碼-
After discussed the problem of qkd, we focus on quantum digital signature
在對量子密鑰分配進行討論之後，本文研究了量子數字簽名的問題。 -
In this paper, we firstly describe the recent research progress and the theory basis of quantum cryptography, then introduce quantum key distribution ( qkd ) and eavesdropping attacks on the qkd
本文首先描述了量子密碼學的最近研究進展及其理論基礎，接著介紹了量子密鑰分配以及在它之上的竊聽攻擊。 -
Quantum key distribution ( qkd ) is an important application of quantum information. using the miraculous properties of quantum mechanics qkd breaks thought the confines of classical encryption and can make our communications perfectly secure
量子密碼學作為量子信息理論的一個重要方面，它利用量子力學的一些奇妙性質，突破了傳統密碼學的限制，能夠絕對安全地傳送信息。 -
2, studying the character of the output of the laser used on the practical qkd system, and design and made a photo - electronic detection circuit to accomplish the necessary photo ? electronic conversion for the practical qkd system. 3, designed two balance true random codes generators for qkd system, they are based on physical random source. and analyzed randomicity of the generators
三、設計製作了量子保密通信用的真隨機碼發生器，先後製成了兩臺樣機，一臺採用窄帶隨機信號源，一臺採用寬帶隨機源，並研究了隨機源對隨機碼的隨機性的影響，最後進行了隨機性的分析。 -
Being the first application of quantum physics, quantum key distribution ( qkd ) has been developed very fast experimentally in recent years. it would impact thoroughly the existing secure communication, especially in military affairs, e - banking and so on
量子密碼通信在密鑰分發上的實驗已經得到巨大進展，預計很快能投入應用，在軍事、電子銀行保密等方面將有廣泛的應用前景。 -
Chapter3 : based on quantum channel lossy in practical qkd > we propose and devise to quantum eavesdropping system. the research shows that breidbart eavesdropping / beamsplitter is the more effective one breidbart eavesdropping / breidbart ( b / b strategy )
研究表明，在實際qkd系統中得出了breidbart基分束攻擊相結合的方法是比截取重發策略和分束攻擊更為有效的竊聽方案。 -
In this work, we review these processes first and then build a software that uses internet as public channel to perform these post - processing. with this software we can carry out the post - processing in qkd and simulate the overall quantum encryption process
本文論述量子密碼中經典通道的通訊過程，並建立一個用internet作為經典通道的量子通訊軟體，用這個軟體可以實現經典通道的處理和模擬整個量子通訊的過程。 -
Al last, a new qkd ( quantum key distribution ) system based on interaction - free measurement is put forward. 3
最後給出了一種基於無相互作用測量的量子密鑰分配系統。 -
Several typical qkd systems are introduced and analyzed. qkd experiment is simulated in the laboratory
二、介紹了幾種具有代表性的量子保密通信系統並對各種系統作了分析。 -
We also designed the cooler by semiconductor, used the nature cooling and abandoned the water cooling. it is more convenient to the qkd system
其次，我們用半導體製冷片設計了雪崩光電二極體的製冷器，並利用自然冷卻的方式進行散熱，為單光子探測器實用化提供了方便。 -
In this paper, we general discuss that the problem of information security is analyzed in qkd. meanwhile we introduce at large the key to cell technology in the experimental qkd
本文對量子密碼通信的信息安全問題做了較全面的分析，同時還對量子密碼通信的實驗部分具體關鍵技術單元做了較詳細的分析和介紹。 -
In this thesis, we general discuss that the problem of information security is analyzed by theoretical method in qkd. meanwhile we introduce at large the key to cell technology in the experimental qkd
本文在理論上對量子密碼通信的信息安全問題做了較全面的分析，同時在實驗上對量子密碼通信的實驗部分具體關鍵技術單元做了較詳細的分析和介紹。 -
Chapter2 : it has put forward a way of information eavesdropping in qkd. according to polarization optics and information theory, with the breidbert group of eavesdropping, we induce to the prime eavesdropping efficiency in qkd
第二章：量子保密通信信息竊聽方法的提出，並依據偏振光學和信息論基礎理論推導出了qkd系統中在breidbart基竊聽下的最佳竊聽效率。
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