無線電時號 的英文怎麼說

中文拼音 [wúxiàndiànshíháo]
無線電時號 英文
radio time signal
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 線 : 名詞1 （用絲、棉、金屬等製成的細長的東西） thread; string; wire 2 [數學] （一個點任意移動所構成的...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 無線電 : radio; wireless無線電愛好者 radio amateur; amateur radio; 無線電報警 radio warning; 無線電報務員 ...
  • 無線 : wireless無線電報 wireless telegram; radiotelegram; 無線話筒 radio microphone ; 無線裝訂 unsewn binding
  1. Above this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    圖上這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  2. Above ) this 34 - m antenna, called dss - 13, is one of those large dishes of the deep space network in goldstone, california and is primarily used for receiving echoes reflected from asteroids when they are beamed by groundbased radio signals

    （圖上）這座口徑34米的天線，編號dss - 13 ，隸屬美國加州的深空網路。當天文學家從地面向小行星發射無線電波時，小行星會把部分電波反射回地球，並由dss - 13所接收。
  3. And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south

    當陣列發射訊號給行動電話用戶時，處理器會傳送一個異相的訊號到其中一個天線，產生由北往南的無線電波束。
  4. Compared to the analogy or the base - band sampling solution, this structure not only enhanced the system mobility, the flexibility and stability, but also reduced the cost, moreover it may be a public platform, which realize multi - purpose and multi - service patterns communication signal despread and demodulation, has fully reflected the thought of software radio

    與採用模擬或基帶采樣解擴解調方式相比，這種結構既增加了系統的機動性、靈活性和穩定性，同時價格大幅下降，而且可以作為一個公用平臺，實現多功能、多制式通信信號解擴解調，充分反映了軟體無線電的思想。
  5. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  6. How frequency changes with time is the thing designers concern most. the importance of frequency measurement is easy to see

    無線電波信號頻率隨時間的變化關系往往是設計人員最為關心的信號特徵之一。
  7. The channelized digital receiver based on srd is the electronic equipment, which can be used in communication and military affairs, because of its excellence on wide band frequency coverage, digital processing, software programming, high dynamic range, receiving signal with all probability, simultaneous signal detection and so on

    基於軟體無線電思想的通道化數字接收機是一種即可用在通信領域也可用在軍事領域的電子設備，具有大帶寬、數字化、軟體化、大動態范圍、全概率接收、多信號同時處理等優點。
  8. Data reduction was carried out in real time by a minicomputer. the microcora was replaced by a more advanced version, digicora, in 1993

    地面站即時用一部小型電腦從轉播信號的相位差計算出無線電探空儀的位置，從而計算出高空風向和風速。
  9. ( 3 ) the features of the low frequency time - code receiver are digital, high performance and high precision. on the basis of the testing flat of low frequency time - code, we designed a low frequency time - code receiver based on software radio

    在前面已經實現的低頻時碼信號測試平臺的基礎上，對設計一種基於軟體無線電模式的低頻時碼接收終端作了初步的探討，為今後的全數字化接收機的實現打下一定的基礎。
  10. On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former

    作者提出了一種基於帶通采樣定理的抽取器數學模型，對該數學模型進行了時域、頻域的分析證明后，設計了一種基於該數學模型的抽取器，進而根據無線電射頻信號頻譜的特點，提出了高效混合濾波器組adc系統，其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。
  11. In this paper, consulting the idea of software radio and using the three important theories of maximum mean power estimate ( mmpe ) for symbol synchronization algorithm, the kalman decision - feedback equalization ( dfe ) algorithm and the decision - feedback phase lock loop ( dfpll ) algorithm, a kind of low frequency digital demodulate scheme over high - frequency ( hf ) radio channels for 8psk signial is realized

    本文利用軟體無線電的思想，提出了一種hf通道8psk信號低頻采樣數字化解調方案。討論了實現該方案的三個核心演算法：最大平均功率定時同步演算法、判決反饋式鎖相環和卡爾曼均衡器，分析它們的基本理論，並進行了性能測試。
  12. Instrumentation developed includes : “ brain radio stimulators, . . and an optoelectric sensor for telemetry. . combining multichannel stimulator and eeg telemetric instrument ; transdermal stimoceivers, totally implantable for two - way communication with the brain through the intact skin ; and implantable microprocessor for detection of eeg signals which are used to trigger contingent brain stimulation. . and establishment of artificial neuronal links with the aide of the computer. ” ? j. m. r

    儀器的發展包括： 「大腦無線電信號刺激器， …和一個為遠程監測的光電傳感器…結合多波段的刺激器和腦電圖遙感監測設備；皮膚刺激接收器，總的雙向的植入方法是，與大腦溝通通過未受損的皮膚；以及植入微處理器以監測腦電圖信號，這被用於時不時進行大腦刺激…並通過電腦的協助，建立人為的神經聯系。 」
  13. Abstract : a software method of frequency - modulated signal demodulating based on wavelet packet is proposed in this paper. a variety of frequency - modulated signals are analyzed in time - frequency domain and the spectrograms are presented. this method can detect instantaneous frequency effectively and get frequency - modulated information, can be widely applied to dynamic testing and software radio

    文摘:提出了基於小波包的調頻波解調方法，通過對各種調頻信號進行時頻分析，給出了信號的時間?頻率譜圖，能有效地檢測到瞬時頻率和獲取調頻信息，該方法可廣泛應用於動態測試和軟體無線電等領域。
  14. Well, what we used to do is, the name of our boat was " be happy. " so when we would catch a fish the first thing we d do is turn the tape player on and then we d stick the microphone in the tape player and over the microphone and over the radio so all the other boats in the tournament could hear, would be the song, " don t worry

    在有魚上釣時，我們先會啟動錄音機，並把米高峰放在其上，透過錄音機和無線電，所有的艇都能聽見，我們會播出一首歌，就是別擔心，要快樂，實在太好了，在這首歌后，會是一連串的短歌，我們會說這是要快樂號。
  15. There may be a "black out" of radio signals over a large area for several hours.

    在大面積上的無線電訊號可能發生數小時的停頓。
  16. This dissertation focuses on the hardware design of software radio with the aim to solve the problem of producing and receiving space - time modulation signals

    本文就基於pci總線的軟體無線電硬體實現開展了初步的研究，目的是用來解決中頻時空調制信號的產生與接收問題。
  17. 8 as a satellite passes overhead, it sends out a radio signal that can be detected by a receiver in a car ' s computer

    衛星從高空經過時發出能被汽車上計算機里的接收器辨認的無線電信號。
  18. On the basis of the theory of software radio, this paper discusses how to design and develop a realtime digital signal processing system in graphic programming language on a universal hardware workbench of digital signal processing aiming at satellitic intermediate frequency signal

    本文論述了基於軟體無線電思想，在一個通用的數字信號處理硬體平臺上，針對衛星中頻信號，用美國國家儀器公司提供的開發虛擬儀器的labview平臺研製開發了一個實時的數字信號處理系統。
  19. These are the coordinates of captain smith ' s last radio transmission

    這是史密斯大尉最後一次發送無線電信號時所在的坐標方位
  20. Sensors in your car tuned to radio signals from orbiting satellites can locate your car precisely at any moment and warn of traffic jams

    你汽車上與繞軌道運行的衛星發出的無線電信號調諧的傳感器能隨時精確地確定你汽車的方位，並告知交通阻塞情況。
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