調頻接收 的英文怎麼說

中文拼音 [diàobīnjiēshōu]
調頻接收 英文
frequency modulation reception
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 接 : Ⅰ動詞1 （靠近;接觸） come into contact with; come close to 2 （連接; 使連接） connect; join; put ...
  • 收 : Ⅰ動詞1 （把攤開的或分散的事物聚集、合攏） put away; take in 2 （收取） collect 3 （收割） harvest...
  • 調頻 : frequency modulation （fm）; frequency adjustment調頻磁帶錄音機 f m magnetic tape recorder; 調頻...
  • 接收 : 1 （收受） receive; reception; accept; [電學] receipt; receiving 2 （接管） take over; expropriat...
  1. Intermediate frequency of fm receivers

    調頻接收機中間頻率
  2. Intermodulation suppression for fh ( frequency hopping ) receiver is designed by selecting the intermediate frequencies and changing group of filters, local oscillation ( lo ) frequency, bandwidth of lo frequency under the condition that receiver configuration, sensitivity, dynamic range, instantaneous bandwidth and precision of frequency measurement are fixed

    摘要針對跳頻接收機的體制和靈敏度、動態范圍、瞬時工作帶寬、測頻精度等設計參數，通過改變預選器組成、本振頻率和本振帶寬，分析接收通道的中頻選取原則，以實現跳頻接收機的互調抑制設計。
  3. The results of measurement show that the performance of intermodulation suppression can meet the expectation of communication countermeasures

    測試結果表明，跳頻接收機的互調抑制設計滿足通信對抗的技戰術使用要求。
  4. Based on the dsp development board, the author finishes the hardware debug about the multi - channel buffered serial port ( mcbsp ) receiving the output signal from the gps if collector and resolves the software program of the receiving buffer of the multi - channel synchronous serial data, data integration, udp datagram encapsulation and network interface driver, etc. the real - time udp datagram receiving, data frame de - encapsulation and high speed data memory are implemented, and a friend application interface with windows message is developed on the pc

    基於dsp開發板，作者完成了dsp的多通道緩沖串口（ mcbsp ）接收gps中頻接收機輸出信號的硬體調試，並解決了多通道同步串口數據的接收緩沖、數據合併、 udp數據報裝幀及網路介面驅動等軟體編程。在pc端，通過mfc的網路應用開發類casyncsocket實現udp報的實時接收、數據解幀譯碼、高速存貯，利用windows消息機制開發了應用程序友好界面。
  5. By complementing the proposed scheme with methods to estimate the fractional code delay, the acquisition unit an provide high quality delay estimates such that it can instead of the delay locked loop in the traditional ds receiver. after dispreading successfully, this dissertation introduces a method to estimate the doppler - shift directly from some samples based maximum likelihood estimation, and then revise it forwardly

    在成功解擴之後，本文利用最大似然估計從l個樣點中直接估計出殘余多普勒頻偏，並進行前向頻偏校正，來代替傳統擴頻接收機中的科斯塔斯環，經模擬證明該方法的估計精度完全滿足解調的要求。
  6. The results of computer simulation and fpga simulation indicate that the technique is feasible and the experiment ' s results show that the performance of the system is excellent. in this paper, it summarize the basic principles of the if ( intermediate frequency ) digitization technology and detail the design and fpga realization of the digital if receiver system

    在具體實現中，提出了一種基於多相濾波結構來進行抽取濾波的中頻接收機方案，通過計算機模擬，證明了它的可行性，並圍繞此方案完成了數字下變頻硬體系統的設計和調試工作。
  7. High precision ad chip is used for intermediate frequency data sampling and fpga of virtex - series is used for the implementation of intermediate - frequency orthogonal system, which includes the sequencing control design for mult - channel radar system with verilog, the application of ip core of digital filter and fifo, as well as the communication control module with dsp. as the master control part, the software programming for the communication between dsp and fpga is designed. the experimental result with hardware circuit shows the design is valid and practical

    採用高精度的adc晶元完成中頻采樣，通過virtex -系列fpga設計中頻正交系統，主要包括通過verilog語言實現多路雷達中頻接收的時序控制，通過濾波器ip核實現濾波器的設計，以及利用c語言實現dsp的通訊控製程序設計。並給出了fpga在資源和速度上一些優化的方法，調試過程中影響中頻正交接收性能測試的因素。
  8. There are certain differences between am and fm receivers

    調幅和調頻接收器有所不同。
  9. Methods of measuring and expressing the performance of radio receivers for sound broadcasting - measurement on frequency - modulated receivers of the response to impulsive interference

    無線電廣播接收機性能測定及表示方法.第5部分:調頻接收機脈沖干擾響應測量
  10. In this paper, microwave t / r front - end for short distance wireless communication is realized in miniature based on low cost mcm - l technology. the main jobs are as follows : 1. the performances of i / q modulation and direct converter receiver are analyzed to set down the system scheme

    主要工作包括以下幾個方面: 1 .基於目前流行的數字中頻接收技術，分析了i / q調制和直接變頻接收機的性能，提出超外差變頻的總體系統方案。
  11. In an fm receiver, the limiter and discriminator stages are circuits that respond solely to changes in frequency

    在調頻接收器中，限幅器和鑒別器這兩個設備僅對頻率的變化做出反應。
  12. This thesis discusses the pulse doppler ( pd ) weather radar signal processing system including digital intermediate frequency ( if ) receiver, especially on the application of if sampling and digital demodulation technique in pd weather radar signal processing system, the influence of amplitude and phase unbalances of in - phase and quadrature channels on weather radar echo spectrum estimation, ground clutters elimination algorithms and a typical engineering realization scheme of pd weather radar signal processing system

    本論文研究的是採用數字中頻接收技術的脈沖多普勒氣象雷達信號處理系統，重點研究了中頻采樣及數字解調技術在脈沖多普勒氣象雷達信號處理系統中的應用、正交雙通道幅相不平衡對氣象回波譜估計的影響、地雜波濾波演算法，以及脈沖多普勒氣象雷達信號處理系統的具體工程實現。
  13. The other stages of the fm receiver are similar to those of the am receiver but require more care in design and assembly to make full use of fm ' s advantages

    調頻接收器的其他部分與調幅接收器相似，但其設計和組裝需要更加小心，以充分發揮調頻的優勢。
  14. The purpose of this thesis is to introduce the digitalization realization scheme, technology of if receive and pulse compression for lfm pulse compress radar, and how to implement them with fpga and other hardware circuits in our system

    本文針對線性調頻雷達中對脈沖信號回波的中頻接收以及脈沖壓縮處理系統的全數字實現方案及技術進行了研究，並對其進行了硬體實現。
  15. Scheme of technological transformation for remote control of fm reception with codes

    利用編碼遙控調頻接收的技改方案
  16. Secondly, we apply tk operator to the cross - correlation of received signal code and pn code to separate the multi - paths. it comes to a conclusion that tk operator can separate the multi - paths within less than the chip period accurately of spread - spectrum system with space - modulation by simulation. at last, we apply this algorithm to the practical signal collected by gps tap, and from the result we can drop a conclusion the tk algorithm is practical

    本文首先闡述了時空調制擴頻信號原理以及在多徑干擾下時空調制接收機的性能和teager - kaiser接收機的原理;接著對時空調制擴頻系統的解調信號與偽碼的互相關函數採用tk接收機進行多徑分離，模擬結果表明， tk接收機對時延在一個碼片內的時空調制擴頻通信多徑信號有很好的分離效果;最後用數據採集器對一個gps信號進行接收和多徑的估計，驗證了該演算法在實際的運用中對多徑的擴頻信號有很好的分離效果。
  17. The paper designed the pn analyzer with using receiver circuit with optimized twice down - convert and highly efficient process arithmetic and comprehensive design and particularly harmonious system. in the system the

    該文研製的pn分析儀pnscanner採用了很優化的二次下變頻接收機電路以及效率很高的基帶處理演算法，嚴謹周到的設計和獨特的協調機制。
  18. This paper describes a spread spectrum receiver, which is equipment in self - determination outer measuring systems. it consists of two parts : fast capture and track systems. its main function is receiving capture scout demodulation and transmit spread spectrum signal coming from the objects

    本論文所研究的擴頻接收機是自主外測系統中的關鍵設備，由快捕和跟蹤兩部分組成，其主要功能是對來自目標的擴頻信號進行接收、捕獲、跟蹤解調和轉發。
  19. 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
  20. The purpose of this article is to introduce the realization of medium frequency receive for bpsk pulse compress radar. and it includes the realization of constant false alarm rate ( cfar ) process. the main content of this article includes : ( 1 ) the introduction of radar medium frequency receiver ; ( 2 ) the introduction of medium frequency receiver theory ; ( 3 ) the simulation for medium frequency receive of bpsk pulse compress radar ; ( 4 ) the hardware realization for medium frequency receive of bpsk pulse compress radar

    本文的主要工作包括： （ 1 ）介紹雷達數字接收機的概念； （ 2 ）介紹中頻數字接收理論； （ 3 ）介紹二相編碼脈壓雷達中頻接收的方案設計和模擬驗證； （ 4 ）通過硬體描述語言ahdl ，完成中頻數字接收和脈壓處理演算法在fpga上的實現； （ 5 ）完成雷達中頻數字接收機信號處理板原理設計，並同課題組成員一起完成硬體調試，並給出相應的測試結果。
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