radio frequency circuit 中文意思是什麼

radio frequency circuit 解釋
射頻電路
  • 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。
  • frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
  • circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
  1. Ofta has issued a notice earlier to the satellite master antenna television ( smatv ) licensees, class licensees of in - building telecommunications systems, operatorsowners of in - building coaxial cable distribution systems ( ibccds ) ( including communal aerial broadcast distribution ( cabd ) systems, closed circuit television ( cctv ) systems, cable television ( ctv ) systems ) to alert the residents that they might need to adjust their vcrs or other equipments to avoid using channel 35 and 37 as radio - frequency ( rf ) output channel for connection to the television sets

    電訊管理局已就此事向本港衛星電視共用天線系統牌照持牌商、樓宇內置電訊系統類別牌照持牌商，以及大廈內同軸電纜系統營辦商擁有人（包括共用天線分佈系統、閉路電視系統、有線電視系統）發出指引，呼籲有關單位提醒其用戶如有需要可調整錄影機或其他器材，避免使用頻道35及37作為接駁電視機的訊號接收頻道。
  2. 6 type products whether one have whorl, card lock connection device of organization, it apply to post and telecommunications communication equipment, figure buy the line device extensively, the radio instrument waits until joining the coaxial cable of the radio frequency to use in the radio frequency return circuit, and can change each other with the products that iec60169 - 13 stipulate

    型產品是一種具有螺紋、卡鎖機構的連接器，它廣泛應用於郵電通信設備、數字配線裝置，無線電儀器等射頻迴路中連接射頻同軸電纜用，並能與iec60169 - 13規定的產品相互換。
  3. The committee has agreed to set up a working group to draw up specific plans for co - operation in four selected areas, namely, automotive parts and accessory systems, radio frequency identification technologies, chinese medicine, and integrated circuit design

    委員會已選定四個范疇，即汽車配件、電子標簽技術、中醫藥及集成電路設計，並同意成立工作小組，制定具體的合作計劃。
  4. Application of surface acoustic wave resonator in high - frequency radio rmote controlling circuit

    聲表面波諧振器在高頻無線電遙控電路中的應用
  5. Rfid ( radio frequency identification ) system is an automatic identification technology that has been developed since 1980s. compared with barcode system, optical character recognition technology, biometric identification technology, integrated circuit card, rfid system has particular contactless, anti - interference and environmental adaptability characters, so it becomes one of the most excellent automatic identification procedures that are applied in many fields

    發展到今天，射頻識別技術和條形碼識別技術、光學符號識別技術、生物識別技術、 ic卡（ integratedcircuitcard ）識別技術等這些自動識別技術相比，以它特有的無接觸、抗干擾能力強等優點逐漸成為自動識別中最優秀和應用領域最廣泛的技術之一。
  6. This paper goes on with analysis of the phased array radar calibration theory and compare of different schemes, then the best is adopted. 2 mhz digital circuit mainly composed of dds ( direct digital synthesis ) chip, which carries out the shift of the phase and the limit of the amplitude, has been designed and debugged successfully. it is used to substitute for the conventional phased shift circuit and amplitude limiting circuit which work at the radio frequency, so the all - digital transmit channel of phased shift array radar is achieved

    本論文研究的重點是：針對傳統相控陣雷達系統收發（ t r ）組件中的移相和限幅功能均在射頻段完成，大膽利用直接數字合成（ dds ）晶元組成頻率在2mhz左右的數字電路代替傳統相控陣雷達在射頻段進行移相和限幅的電路，從而組成全數字發射通道，使對相位和幅度的控制和調試更方便快捷，並設計具體的電路驗證此方案的可行性。
  7. This paper realized frequency modulation using the video signal to directly control the resonance loop ' s diode of the vco at the early stages, and then through using radio frequency bipolar junction transistor, designed a lc voltage controlled oscillator which was emulated by advance design system. in addition, it also implemented the design and debugged the hardware circuit

    本文第一次實驗採用視頻信號直接控制vco諧振迴路變容二極體的方式實現頻率調制，並且利用射頻雙極性晶體管（ bjt ）設計了一種lc壓控振蕩器，通過ads軟體進行了參數模擬，最後進行了硬體電路的製作和調試。
  8. The system offers a range of unique features that are not available from other wireless communication platforms : fast call set - up time ; excellent group communication support ; direct mode operation between radios without going through the radio infrastructure ; packet data and circuit data transfer services ; frequency economy ; and excellent security features

    系統擁有少其他無線通訊平臺缺乏的獨特功能，如快速接駁通話出色的群組通訊支援通訊機之間不必經過無線電基建而以直接模式運作封包數據和電路數據傳送服務頻率便宜和優良的保安功能。
  9. Design of tuning high frequency amplifier circuit in the frequency - hopping radio

    跳頻接收機中調諧高放電路的設計
  10. This paper particularly introduces each circuit schematics and terminal signal processing methods. the radio frequency channel is analyzed in detail

    對實現系統的各部分電路及終端的信號處理方法作了較為詳細的介紹。
  11. Identification cards - contactless integrated circuit cards - proximity cards - radio frequency power and signal amplitude

    識別卡.非接觸式集成電路卡.鄰近卡.射頻和信號介面
  12. Rfid ( radio frequency identification ) is a sort of automatic identification technique which is advancing owing to the development of the large scale integrated circuit

    射頻識別（ radiofrequencyidentification ，即rfid ）技術是隨著大規模集成電路技術的發展與成熟而逐漸興起的一項自動識別技術。
  13. This project mainly introduces the research and the design of the ethernet - based communication radio - frequency identification ( rfid ) application system. and it also analyzes and designs the radio frequency communication signal, the tcp / ip principles, the information security, the practical way to design the circuit hardware, the practice of software engineering and the application of database management systems, in which it also suggests some new thought for the practical application

    本畢業設計主要是對基於以太網傳輸的射頻識別（ rfid ）應用系統進行研究和設計，並對射頻通信信號， tcp ip網路，信息安全，硬體開發，軟體工程，數據庫應用等進行分析和設計並提出一些結合實際應用的新思路。
  14. The high - impedance probe hi - z permits the determination of the radio frequency interference on individual contacts or printed circuit traces

    Hi - z適用於測量個別觸點或印製電路導線上的射頻干擾
  15. The international standards about the radio frequency ic cards - iso / iec14443 are introduced too, it refers to the difference about the type a and type b standard. where after introduces the card mf1 ic s500 what is usually used in the cards of type a, the design method and the circuit of the card reader device ( the device use the radio frequence chip reader module rc500 )

    介紹了射頻ic卡所必須符合的國際標準iso / iec14443的要求，以及typea和typeb兩種標準的區別。緊接著介紹了typea型常用的卡片mf1ics50和對應讀卡器的設計方法和電路（使用專用射頻讀卡集成晶元rc500 ） 。
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