跳頻擴頻技術 的英文怎麼說

中文拼音 [tiàobīnkuòbīnjìshù]
跳頻擴頻技術 英文
fhss
  • 跳 : 動詞1 （腿用力彈起） jump; leap; skip; bounce 2 （彈力使物體突然向上移動） spring; leap 3 （一起...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 擴 : 動詞（擴大） expand; enlarge; extend
  • 技 : 名詞（技能; 本領） skill; ability; trick; technique
  • 術 : 術名詞1. （技藝; 技術; 學術） art; skill; technique 2. （方法; 策略） method; tactics 3. （姓氏） a surname
  1. To improve anti - jamming technique by spread spectrum close to monochromatic frequency, so that enhance the ability of anti - active - jamming and anti - passive - jamming, anti reconnaissance, anti - radiation missile, anti - stealth, by means of multi frequency spread spectrum and hopping spectrum instead of mono - frequency spread spectrum, realizing strong processing system for anti - interference signal, providing the method of generating of chirp signal and corresponding matched filter system

    摘要為改進線性調頻雷達系統所採用的在單色頻率點附近擴譜抗干擾技術，加強制導雷達站具備抗有源、無源干擾，反偵察，抗硬殺傷的反幅射導彈和反隱身的能力，通過將單頻點擴譜改為多頻點擴譜跳譜，實現了高抗干擾信號處理系統，給出方案中在中頻段實現的線性調頻信號產生方法以及對應的匹配濾波處理系統。
  2. In addition, hybrid spread - spectrum communication system is propitious to enhance anti - jamming performance of the system that is make up of direct sequence ( ds ) and frequency hopping ( fh ), and it can satisfy the require of anti - jamming of systems. it concentrate their virtue and overcome shortage in single spread spectrum style. this paper discusses the aspect in detail

    另外，將擴頻技術中應用最廣泛的兩項技術直序擴頻（ ds ）和跳頻（ fh ）結合在一起，構成混合擴頻通信系統，有利於提高系統的抗干擾性能，更能滿足系統抗干擾的要求，而且將跳頻系統和直擴系統的優點集中起來，克服了單一擴頻方式的不足。
  3. With the development of communication technology, the communication signal environment is getting more and more complex. fh ( frequency hopping ) signal is used widely in the battlefield, and direction finding becomes an important method to get communication information

    隨著通信技術的迅速發展，跳頻、直擴等信號在軍事領域獲得廣泛應用，測向成為情報獲取的主要手段之一。
  4. Spread spectrum communication technology can be classified into four catalogs : direct sequence spread spectrum, frequency hopping, time hopping and chirp

    擴頻技術種類較多，主要包括直接序列擴頻、跳頻、跳時和線性調頻。
  5. Depending on the development of reconnaissance and interference techniques, spread - frequency communication is gradually becoming the effective communication manner in order to reduce the probability of being captured or interfered, to enhance the security of communication, and to improve the anti - jamming ability of the communication system

    隨著通信偵察和干擾技術的發展，為了降低通信過程中被截獲、被干擾的概率，提高通信的可靠性，增強通信系統的抗干擾能力，擴頻通信逐漸成為現代通信的一種對抗干擾的有效通信方式，跳頻通信是擴頻通信中的一種。
  6. Frequency - hopping ( fh ) is a novel spread spectrum communication technique, which develops very fast in military field due to its lpi / lpd ( low probability of intercept / detection ) properties and immunity against interferences, the extensive application of hf / vhf ( high frequency / very high frequency ) frequency - hopping radios in military has greatly enhanced the ability of military equipments against jamming and interception and ensure the safety and validity of chain of military command

    跳頻技術是擴頻技術的一種，是80年代以來出現的一種新的通信方式。跳頻通信具有良好的抗干擾性，低截獲概率及組網能力，因此跳頻技術的一出現，便在軍事領域得到了極大的發展。採用跳頻技術的短波超短波電臺在軍事通信中得到了廣泛應用，極大地提高了軍事裝備的抗截獲和抗干擾能力，保證了軍事指揮系統的安全和有效性。
  7. In chapter three, the theory of particular anti - jamming technologies are analyzed, especially the spread spectrum ( ss ) is one of the most important anti - jamming technologies, including direct sequence spread spectrum ( dsss ), frequency hopping spread spectrum ( fhss ) and other improved technologies

    第三章研究了時域、頻域、功率域多種抗干擾技術的抗干擾機理和定量描述抗干擾能力的方法，其中擴展頻譜技術是主流的抗干擾技術，包括直接序列擴頻和跳頻技術以及它們的改進方案。
  8. It has been proven that the spread spectrum technologies have good capabilities of overcoming isi in electromagnetic wireless channel. the feasibilities of their applications to underwater acoustic channel have been analyzed, the frequency hopping technology is chosen. instead of using time - frequency diversity, convolutional coding and viterbi decoding are employed to combat signal fading, consequently the bit - rate and bit - error - rate performance of the underwater acoustic voice communication system can be balanced and controlled

    由於擴頻技術在抗碼間干擾方面具有優良的特性，因此在分析了各種擴頻技術于本研究應用的可行性之後，確定了跳頻技術作為具體實現方案；在克服幅度衰落方面，選用卷積編碼和維特比譯碼方法來替代原有的分集技術以綜合調節系統的通信速率與誤碼性能，達到差錯可控的目的。
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