frequency shift keying 中文意思是什麼

frequency shift keying 解釋
鍵控頻移頻移鍵控頻移鍵位
  • 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。
  • shift : vt 1 變動；改變；搬移；移動；轉移；變換；替換；更換。2 推卸；轉嫁。3 消除；撤除。4 【語言學】變換...
  • keying : 按電鍵
  1. The frequency shift keying modulation is widely used in hf digital communication

    移頻鍵控是短波數字通信中常用的一種調制方式。
  2. Bcfsk binary code frequency shift keying

    二進制編碼頻率移位鍵控法
  3. Fsk distribution automation using distribution line carrier systems - part 5 - 2 : lower layer profiles - frequency shift keying profile

    使用配電線路載供系統的自動配電.第5 - 2部分:低層分布圖.頻移鍵控
  4. On exploring tfsk time frequency shift keying for improving underwater acoustic communication

    時頻編碼水聲通信技術及性能分析
  5. This dissertation, basing on simulation, makes a deep research on simulating signal of gmsk ( gaussian filtered minimun frequency shift keying ) baseband modulation and demodulation in ais ( automatic identification system ) equipment. the technology related in the following makes the modulation and demodulation of baseband signal into realization by ti dsp, at the same time, provides a key technique to develop ais system inland

    本文著重對自動識別系統（ ais - automaticidentificationsystem ）設備的高斯濾波最小頻移鍵控（ gmsk - gaussianfilteredminimunfrequencyshiftkeying ）基帶調制解調信號進行了模擬研究，並在模擬的基礎上，在ti的dsp上實現了基帶信號的調制解調，為國內研製ais系統儲備了關鍵技術。
  6. Fsk frequency shift keying

    頻移鍵控法
  7. Frequency shift keying fsk

    移頻鍵控，頻移調制
  8. Fsk : frequency shift keying

    移頻鍵控
  9. Continuous phase frequency shift keying cp - fsk

    連續相位頻移鍵控
  10. Afsk for audio frequency - shift keying

    音頻頻移鍵控
  11. This project study the all - digital modulation and demodulation of / 4 offset differentially encoded quadrature phase shift keying ( / 4 - dqpsk ). then use / 4 - dqpsk digital modulation and baseband differential demodulation technology to implement digital signal transmission. the bite rate is 500kb / s and the intermediate frequency is 2mhz

    本課題對/ 4 - dqpsk的全數字調制解調技術進行研究，利用/ 4 - dqpsk數字調制和基帶差分解調技術實現數字信號的傳輸，實現傳輸碼率500kbps ，調制中頻2mhz 。
  12. A full - digital demodulation technique is introduced in this paper, which can make it easy and quick to design and achieve binary phase shift keying ( bpsk ) demodulator, and also can reduce the requirement of the oscillator frequency precision and the degree of stability of the receiver

    本文介紹了一種適合於用數字信號處理器（ dsp ）實現的全數字解調技術。該技術能方便、靈活地設計實現二進制相移鍵控（ bpsk ）解調器，而且使用該技術可以大大降低對接收機本身的振蕩頻率精度和穩定度的要求。
  13. Fsk for frequency - shift keying

    頻移鍵控
  14. Binary frequency shift keying

    二進制頻移鍵控
  15. Distribution automation using distribution line carrier systems - lower layer profiles - the spread frequency shift keying profile

    配電線路載波系統配電自動化.低層剖面.擴展頻率漂移鍵控剖面
  16. S - fsk distribution automation using distribution line carrier systems - part 5 - 1 : lower layer profiles - the spread frequency shift keying profile

    使用配線載波系統的分配自動化.第5 - 1部分:低層輪廓.擴展頻率移位鍵
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