短波通信 的英文怎麼說

中文拼音 [duǎnbōtōngxìn]
短波通信 英文
high frequency communication
  • 短 : Ⅰ形容詞（空間、時間兩端之間的距離小） short; brief Ⅱ動詞（缺少; 欠） lack; owe Ⅲ名詞1 （缺點） we...
  • 波 : Ⅰ名詞1 （波浪） wave 2 [物理學] （振動傳播的過程） wave 3 （意外變化） an unexpected turn of even...
  • 通 : 通量詞（用於動作）
  • 短波 : [電學] sw （short wave）; high frequency wave
  • 通信 : communication; communicate by letter; correspond
  1. The ionosphere is a complex medium, which is aeolotropy, asymmetry, dispersive and changes randomly with time. in order to improve the communication quality of the shortwave that depends on the ionosphere, we should have aknowledge of the current condition of the ionosphere in real time. the backscatter sounding of high frequency can diagnose the real - time channel characters for shortwave communication or hf radar, which is great assistant to shortwave communication and hf radar

    電離層是隨機時變，各向異性，非均勻、色散的復雜介質。為了保證依賴于電離層進行的短波通信質量，必須了解電離層的實時狀態信息。高頻返回散射探測可以實時監測與短波通信或高頻天波雷達相關的天波傳播通道的狀態，對短波通信和天波雷達工作起了重要的輔助作用。
  2. Major products and services of the company cover satellite communication equipment, mobile communication products, hf communication system, ctv sets, personal digital entertainment products, electronics manufacturing, instruments and meters, production equipment, software services and system integration

    公司主要產品和服務包括：衛星通信設備移動通信設備短波通信設備彩電個人數碼娛樂產品電子製造儀器儀表大生產裝備軟體服務系統集成等。
  3. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  4. Noise clear technology at audio band of short and ultrashort device

    短波及超短波通信設備音頻消噪技術
  5. Chapter 1 introduces the extensive application of hf / vhf communication and hf / vhf radios in military field, and points out the significance for promoting the research work of fh communication countermeasure using modern signal processing techniques, especially time - frequency analysis

    第一章介紹了短波通信和短波跳頻電臺在軍事領域中的廣泛應用，以及現代信號處理技術特別是時頻分析技術對促進跳頻通信對抗研究的重要意義。
  6. In modern shortwave communication, the length of signal existence time in single channel is very short for reducing the probability of being intercepted, thus the difficulty of signal detection and extraction increased

    摘要在現代短波通信中，作為低截獲率通信手段之一，單個通道內信號持續時間大大縮短，從而增加了信號檢測與提取的難度。
  7. Shortwave communication plays a vital role in long haul communications, on account of its unique merits such as low cost, convenience to be generated and strong resistance to damage

    短波通信具有成本低、架設靈活、抗毀能力強等優點，在遠距離通信中起著舉足輕重的作用。
  8. Short wave is used for wireless communication which the wavelength is from 10m - 100m. in fact, the high frequency part of medium wave usually belongs to short - wave band. so many short wave communication equipments ’ band was extended to 1. 5 - 20mhz

    實際上，許多人也把中波的高頻段（ 1 . 5 - 3mhz ）歸到短波波段去，所以現有的許多短波通信設備，其波段往往擴展到1 . 5 - 20mhz 。
  9. General specification for directed receivers used in the short - wave communication jamming

    短波通信干擾引導接收機通用規范
  10. Application of rtce in adaptive hf maritime communication system, can improve quality of communication and enhance link rate of communication

    海上高頻自適應通信系統中實時選頻技術的應用可以改善海上短波通信的通信質量和提高通信可通率。
  11. Short - wave communication is the most important scheme in military communication. with the fast development of various new technology and new systems, such as dsp technology, micro processing technology, frequency - hopping technology, error correction technology, short - wave communication has already been widely applied in military communication, marine communication, board communication and so on

    短波通信是現代軍事通信中最重要的通信手段，隨著隨著數字信號處理（ dsp ）技術、微處理技術，自適應技術、跳頻技術，糾錯技術，分集技術等各種新技術和新體制的飛速發展，短波通信已廣泛應用在軍事通信、海上通信、機載通信等各方面。
  12. Blind receiving technology is helpful for the improvement of stability and transmission efficiency in short - wave communication

    盲接收技術有助於提高短波通信的有效性和魯棒性，還能提高數據傳輸效率。
  13. Communications between satellite communication network and hf uhf communication networks

    超短波通信網路的互連
  14. Safety requirements of radiation for microwave and ultrashort wave communication equipment

    微波和超短波通信設備輻射安全要求
  15. Chapter 1 introduces the extensive application and general developing condition of hf / vhf communication and hf / vhf radios in military field

    第一章介紹了超短波通信和超短波跳頻電臺在軍事領域中的廣泛應用及其發展概況。
  16. After researches of communication protocols of gsm short message for nokia 5110 and ultra - short wave, the communication protocol of the hydrological detection and reporting system is defined

    對nokia5110型gsm簡訊息通信協議及超短波通信協議研究。實現對測報系統通信協議的定義。
  17. The muf and the possible maximum skywave field strength are calculated and are compared with the corresponding groundwave. and the conclusion is that the main propagation mode 200 kilometers on the sea is groundwave and the disturbance of skywave could be omitted

    得出天波傳播的最高可用頻率、可能的最強天波場強，並與相應的地波場強進行了比較，闡明了海上200公里距離上的短波通信中電波主要是以地波的形式傳播的，天波對地波通信的多徑干擾問題可以忽略的結論。
  18. Research of short wave communication at sea today and tomorrow

    對海上短波通信現狀與未來的思考
  19. In recent years, hf adaptive communication system has become a popular way

    近年來，短波自適應通信成為短波通信的發展主流。
  20. This thesis is concerned with the file transfer protocol for short - wave communication system

    本文闡述了一個短波通信系統及其上運行的文件傳輸協議的設計和開發。
分享友人
分享到 Line

分享到臉書