rf front-end 中文意思是什麼

rf front-end 解釋
射頻前端
  • rf : 1 radio frequency 射頻，無線電頻率。2 range finder 【攝，軍】（測定目標距離的）測距計，光學測距儀...
  • front : n 1 前部，前面；正面；（劇場的）正面[前面]座位〈也可指全部觀眾席位〉 （opp back rear）。2 【軍事...
  • end : n 1 端，尖，末端，終點。2 邊緣；極點，極限。3 結局，結果。4 目的。5 最後，死。6 【紡織；印染】經...
  1. With the established rf front - end system simulation platform, adding the digital modulated baseband signal, this paper simulated the multifold digital modulated signal ’ s transmission, such as 2ask, qpsk, and 16qam. then researches of power compression and phase noise of local oscillation influence the bit error ratio for different modulated system. the designing is satisfied multifold functions request with the high - powered and integrated broadband rf front - end

    隨后在建立的寬帶射頻前端通用模擬平臺上，加入基帶數字調制信號，對多種數字調制格式的信號在該通用平臺上的傳輸作了研究，模擬了2ask 、 qpsk和16qam等調制格式信號的發射與接收，研究了功率壓縮和本振相位噪聲對不同調制的誤碼率影響，實現了滿足多種功能要求的寬帶高性能綜合射頻前端的設計。
  2. The rf front - end structure is predigested greatly due to using the electronically tunable filters

    由於電調濾波器的選用，降低了射頻前端系統的復雜度，射頻結構得以大大簡化。
  3. So, we designed a fully integrated low noise amplifier ( lna ) for 2. 4ghz rf front - end receiver on satellite

    針對此，本論文完成了一個2 . 4ghz衛星射頻前端接收電路的全集成差分cmos低噪聲放大器（ lownoiseamplifier ）的設計。
  4. Then this paper deals with the design and realization of the smart - antenna receiver system architecture. and the receiver is divided into four modules, including rf front - end module |, if demodulation module, analog to digital conversion module and frequency synthesis module

    隨后在此基礎上，對應用於w - cdma系統智能天線接收機進行了系統設計分析，並給出了實現方案，主要包括射頻前端電路模塊、中頻解調電路模塊，參考頻率合成電路模塊和數模、模數轉換電路模塊四部分的設計與實現。
  5. The rf receiver consists of rf front end and baseband regulation module. the high - intermediate - frequency superheterodyne structure is adopted in the final scheme. the fine sensitivity of the receiver is achieved by two cascaded lna in the front of the system

    系統採用超外差式變頻結構設計，兩級低噪聲放大單元級聯保證了接收機靈敏度，兩級增益控制單元實現了所要求的接收機動態范圍，並且整機的線性度也得到了保證。
  6. In this paper, for 2 ~ 2000mhz broadband rf front - end, using subsection processing fixed intermediate frequency superheterodyne architecture, and combining with the actual component ’ s level, a broadband rf front - end system simulation platform is presented, which provided the universal, standardization, and modularization of transmitter and receiver

    本文針對頻率范圍2 2000mhz的寬帶射頻前端，採用分段處理的固定中頻超外差結構，並結合目前的器件水平，建立了一個通用化、標準化、模塊化的寬頻帶射頻前端發射機和接收機系統模擬平臺。
  7. Subsequently, the communication of wireless is introduced as well as the key points of receiver ’ s rf front end. then, the design methods of receiver with high linearity and high dynamic range are recommended too. also, the blue print of the receiver, the achievement of function guide line and the problems in real debugging are discussed in detail

    本文先介紹了當代無線電導航的狀況以及發展趨勢和無線電的傳播，然後對接收機射頻前端的關鍵技術指標進行了深入分析，還介紹了系統在大動態范圍，高線性實現的一些設計方法，之後詳述了本項目採用的方案、具體功能指標的實現以及在設計與實現中應該注意的問題，最後給出系統的測試結果。
  8. The specifications for the transceiver rf front - end are deduced from ieee 802. 11b standard. then, the rf front - end is implemented in cmos process under the conditions of high integrity, low power and some design margin left

    根據ieee802 . 11b標準的規定，本論文推導出了對各模塊的性能要求，並以提高集成度、降低功耗和保留適當的設計余量為原則，採用cmos工藝實現了各個模塊。
  9. Research on cmos implementation of wlan transceiver rf front - end is done in this thesis. the transceiver uses the most used super - heterodyne architecture, its rf front - end consists of low noise amplifier, down - converter, up - converter, preamplifier, lo buffer and pll frequency synthesizer

    本論文研究無線局域網收發機射頻前端的cmos實現，該收發機採用超外差式的拓撲結構，其射頻前端主要由低噪聲放大器、下變頻器、上變頻器、末前級、本地振蕩信號緩沖器和鎖相環型頻率合成器等模塊組成。
  10. Durning study of the subject, realizating comprehensive rf front - end simulator and starfabric data - distributed interface module in hardware. moreover, it elaborates the achievement of a system of data - distributed based on starfabric technology, by designing hardware modules, multi - entrance high - speed switch module, signal processing module and pc terminal

    在課題研究期間，在硬體上完成了高速數據分發系統中的綜合射頻前端模擬器和starfbric數據分發介面板設計及實現，並用所設計的硬體模塊，加上多埠高速交換模塊、信號處理模塊和pc終端實現了一個基於starfabric技術的高速數據分發系統。
  11. To date, most research on cmos rf circuits is focused on cmos rf front - end including some key building blocks such as low - noise amplifier ( lna ), mixer, bandpass filters, voltage control oscillators and power amplifiers. in si rf 1c, inductors need be realized on a silicon substrate along with all of the other devices in a single chip. in fact, the need for high q integrated inductors in rfics is increasing

    在無線通信技術對cmos射頻集成電路需求的大背景下，本論文在大量深入調研的基礎上，圍繞射頻集成電路中必不可少的、有多種應用的無源器件?硅集成電感及其相關的cmos射頻集成單元電路，先後在上海冶金所微電子分部工藝線上及利用上海市科委的多目標晶元項目（ mpw ）在無錫華晶上華半導體有限公司進行了大量的實驗研究，得到了一些新的結果。
  12. The ax6042 consists of integrated rf front - end with modulator and demodulator, flexible communication controller and integrated voltage regulator

    Ax6042包括前端的調制和解調， ax6042包括靈活的通訊控制方式以及內置電壓調整。
  13. The ax5051 transceiver consists of integrated rf front - end with modulator and demodulator, flexible communication controller and integrated voltage regulator

    Ax5051包括前端的調制和解調， ax5051包括靈活的通訊控制方式， ax5051包括內置電壓調整。
  14. In the design of the rf front - end, the effect of the low voltage power supply must be considered since the low voltage power supply limits the voltage swing of the circuit nodes and may affect the dc operation point, power gain and linearity of the rf front - end

    本論文實現的收發機射頻前端採用了1 . 8v的電源電壓，射頻前端各模塊的設計都考慮到了低電源電壓對直流工作點、增益和線性度的影響。
  15. The subject comes from the cooperation project “ long distance navigation short - wave receiver ” between chengdu sine science & technology ltd. and automatization school of harbin engineering university. the auther was responsible for implementation of the rf receiver of the system. the rf receiver consists of a rf front end, 3 dds synthesizer

    本項目來源於電子科技大學成都賽英科技有限公司與哈爾濱工程大學自動化學院的合作項目「遠距離導航短波接收機」 ，筆者負責其中接收機射頻部分的研製，該射頻接收機包括一個射頻前端和3個dds頻率合成器。
  16. Produces electronic tv tuners, ccd camera, rf front end system, vbi teletext receiver and other interrelated goods

    -生產lcd液晶顯示屏和lcm液晶顯示模塊。
  17. As a result, rf front - end circuits have become one of the most active research areas in wireless communications

    目前，射頻電路存在廣闊的市場，成為無線通信領域內研究的熱點之一。
  18. In view of the importance of rf front - end circuits in the receiver system, the paper finally is focused on the analysis and design of the rf front - end circuits, including the design of low noise amplifier ( lna ), microstrip filter and balanced mixer. all the circuits above are simulated individually using ansoft serenade, and the results are satisfying with the desired performance

    考慮到射頻前端電路性能的好壞會直接影響到整機的性能，文中還重點論述了該接收機射頻前端電路的分析和設計，主要包括低噪聲放大器、微帶濾波器和單平衡混頻器的理論分析和實際設計，並在ansoftserenade環境下進行了模擬模擬，模擬結果符合設計要求。
  19. The improved, suitable biased rf circuits are proposed to keep the excellent performance of the rf front - end even with low voltage power supply

    但各模塊通過改進電路結構和設計合理的直流工作點，在低壓下依然保持了良好的性能。
  20. The subject derives from the project of " 0. 1m ~ 3000mhz universal receiver ", which is collaborated with ministry of science and technology of prc and chengdu sine science and technology ltd. undertake the rf front end in this project. the rf front end is divided into two separate parts, the 0. 1 ~ 30mhz & the 30m ~ 3ghz rf front end

    本課題來源於國家科技部創新基金項目： 0 . 1m 3ghz通用接收機，成都賽英科技有限公司負責射頻前端部分的研製，該射頻前端分為0 . 1m 30mhz和30m 3ghz兩大部分，筆者負責30m 3ghz部分射頻前端的研製。
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