radio band 中文意思是什麼

radio band 解釋
頻帶(波段)
  • radio : n. 1. 無線電訊[電報,電話];無線電,射電。2. 無線電廣播;無線電(廣播)臺。3. 收音機。vt. ,vi. 用無線電傳送[廣播];(向…)作無線電廣播[傳送];用X射線拍照;用鐳醫治。
  • band : n 1 帶,繩;帶形物;箍;箍條;嵌條;鑲邊;鋸條; 〈pl 〉 (法官等的)寬領帶。2 束縛,羈絆;義務;...
  1. Ais system is composed with communication processing module, base band processing module, radio module and interface module

    Ais系統由通信處理模塊、基帶處理模塊、射頻模塊和介面模塊組成。
  2. In actual fact, a suitably modified amateur radio transmitter operating in either the 420 to 450 megahertz band or the 1. 3 gigahertz band, with a highly directional antenna, is capable of transmitting voice to skull signals at less cost than the price of an automobile

    事實上,一個適當限制在420到450兆赫波段或1 . 3千兆赫波段的帶有高度定向天線的業余無線電廣播發射機,能夠把聲音信號傳給頭骨並且所花的費用比一輛汽車的價格還要少。
  3. Single side band radio telephony ssb rt on 8812 khz

    採用無線電話的8812千赫頻道廣播。先以廣東話,后以英語廣播。
  4. Due to the hardware characteristic ' s limitation, such as the poor speed of a / d, d / a conversion and dsp process, the most part of sr system adopt middle course. that is to say, by using the special digital converter or running relevant arithmetic, it converts the radio signal to intermediate frequency signal and completes the base - band signal process that is n ' t the veriest sr and is named " software defined radio ( sdr ) "

    由於受到硬體性能如a d 、 d a及dsp晶元處理速度的限制,目前的軟體無線電系統多採用折中的實現方案,增加專用的數字變頻器或者運行數字變頻演算法,將射頻信號變頻到中頻,然後再進行基帶信號處理,這樣的軟體無線電系統又被稱之為「軟體定義無線電」 ,它並不是真正意義上的軟體無線電。
  5. Low distortion oscillator am fm radio band digimarscope vtr jitter meter

    低失真振蕩器am fm收音機用掃頻儀vtr抖動測試儀
  6. 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。
  7. It has also been proved correct in practice by testing with cooperator. the paper analyzed the character of our radio and introduced the procedure of designed base band frame architecture. it showed the application of channel coding in our radio, and encode / decode method implemented in dsp

    本文針對本電臺的特點介紹了基帶幀結構的設計,重點介紹了幾種常用通道編碼在本電臺的應用,以及編解碼方法在dsp中的實現,並從理論上分析了通道編碼給本電臺帶來的處理增益。
  8. The synchronization of frequency hopping method referenced the jtrs radio system of usa military, and designed a synchronization method used in our radio include creating the frequency hopping map and the base band frame architecture in frequency hopping mode. the paper also analyzed the synchronization capability on theory. it has been proved correct on theory by showing the false probability, capture probability and the synchronization time

    對跳頻圖案的產生和跳頻的幀結構,本文不僅從理論上分析了同步性能,給出了虛警概率和檢測概率,估算了同步的捕獲時間,證明均能滿足系統指標要求,而且通過與合作單位進行的整機聯調和實測證實了該方案的可行性。
  9. The scrambling and descrambling technologies include non - disturbing frequency method, analog base band disturbing method, the radio - frequency signal disturbing method, the digital disturbing method for the analog signal and the digital signal disturbing method, etc. after the introduction a project based on the compression of the rf synchronous information is formulated

    本文綜述了目前常用的幾種主要的電視信號的加解擾技術,如非擾頻加解擾技術、模擬基帶加解擾技術、射頻信號加解擾技術、模擬信號的數字處理加解擾技術以及數字信號加解擾技術等。
  10. Were both named no. 1 radio and records nac airplay singles of their respective years. in the 90s, he was a founding member of fourplay, the most successful band in contemporary jazz. the first fourplay album in 1991 spent an unprecedented 33 weeks at no. 1 on billboard s contemporary jazz chart

    九十年代,萊特諾是被譽為當代爵士樂最成功的組合爵士四人行( fourplay )的創辦人之一,樂隊的第一張專輯《 fourplay 》曾在告示榜雜志( billboard )連續三十三周獲爵士榜冠軍。
  11. Am minimum standards - citizens band radio service amplitude modulated transceivers operating in the 27 mhz band

    最低標準. 27 mhz帶寬工作的城市帶寬無線電業務收發兩用機調制幅度
  12. Minimum standards - citizens band radio service amplitude modulated transceivers operating in the 27 mhz band

    最低標準.運行在27mhz波段的民用波段無線電通信業務調幅無線電收發兩用機
  13. Either the boron nitride ( bn ) thin films with different cubic phase content were deposited on n - type si ( 111 ) and fused silica substrates by radio frequency ( rf ) sputtering using two - stage deposition process. the films were characterized by fourier transform infrared ( ftir ) spectroscopy. the transmittance te ( ) and reflectance re ( ) were obtained as a function of incident photo wavelengths and the thickness of films was measured by alpha - step. the absorption coefficient was calculated from te ( ) and re ( ). the optical band gap ( eg ) of the films was determined by effective medium form of formula containing eg

    本文還研究了立方相含量與光學帶隙的關系,在n型si ( 111 )片和熔融石英片上沉積出不同體積分數的立方氮化硼薄膜,薄膜的成分由傅立葉紅外吸收譜標識;用紫外-可見分光光度計測量了沉積在石英片上的bn薄膜的透射光譜te ( )和反射光譜re ( ) ,薄膜的厚度用臺階儀測得。
  14. Cept - pr - 27. radio equipment and systems. angle - modulated citizens ' band radio equipment cept pr 27 radio equipment. technical characteristics and methods of measurement

    無線電設備和系統.角度調制的民用波段無線電設備
  15. Dsb offers the industry including public broadcasters a means of providing more choice. rthk, together with the information technology and broadcasting bureau, hong kong commercial radio metro broadcast corporation, ran tests on digital signals in 1998 on l - band originally from two transmitter sites mount gough and beacon hill

    早於1998年,香港電臺聯同當時的資訊科技廣播局商業電臺及新城電臺,首次於港島的歌賦山及九的畢架山設置發射器,共同以歐洲廣播聯會制定的eureka 147制式測試數碼聲音l band廣播。
  16. In 1996, an alternative band called no doubt began getting play on college and modern rock radio and eventually pop and rock stations

    1996年,一支名字稱為「不懷疑」的另類樂隊開始在大學和流行搖滾電臺表演,最後發展到了流行和搖滾的電臺。
  17. Further radio monitoring, oscillation and narrow band are offered

    另外,公司也提供關于無線電監控、振動和窄頻帶方面的服務。
  18. Radio equipment and systems. narrow - band direct printing telegraph equipment for receiving meteorological or navigational information navtex. technical characteristics and methods of measurement

    無線電設備和系統.接收氣象和航海信息用窄頻帶直接列印電信設備.技術特性和測量方法
  19. Am - fm radio band digimarscope

    Am - fm收音機用掃頻儀
  20. Bluetooth wireless technology uses the globally available unlicensed ism radio band of 2. 4ghz and its topology is best described as a multiple piconet structure. it implements the wireless communication with data and voice, by the combination of circuit switching and packet switching

    藍牙使用免申請2 . 4ghzism頻段,採用微微網作為其網路的基本單元,並採用電路交換技術和分組交換技術組合,實現語音和數據的無線通信。
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