master frequency 中文意思是什麼

master frequency 解釋
基本頻率
  • master : n 1 主人；僱主，老闆（opp servant）；船長；船主；家長；校長。2 〈常無冠詞〉善能[長于、精通]…的人...
  • 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。
  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. 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。
  3. Frequency conversion control of master pump motor

    主泵馬達變頻控制。
  4. The frequency of the slave laser is not locked to the master laser when the polarization direction of the injected laser is perpendicular to the polarization direction of the slave laser which is free - running. the slave laser frequency shifts toward low frequency because of thermal effect in the slave laser cavity induced by the injected laser

    當注入光偏振方向與從激光器輸出光偏振方向垂直時，從激光器頻率不會被鎖定到主激光器頻率上，但由於外部光注入引起的從激光器腔內熱效應，使得從激光器頻率向低頻方向移動。
  5. In such way, the frequency, the virtual value, the harmonic and power factor are acquired. it can achieve the intelligent control by way of cooperating with master station automatic apparatus system through adopting rs - 485 communication standard

    同時根據采樣值系統計算了頻率、有效值、諧波、功率因數等電量，並通過rs - 485通信口與二級子站微機相配合，達到智能控制的作用。
  6. With these advantages of energy - saving, low maintenance and easy automatic control, variable - frequency speed regulation technology has been widely used. the author in this master paper analyzes in detail and deeply all kinds of the speed adjustment system of portal crane at home and abroad, and confirms the scheme of variable - frequency speed regulation of m10 ton portal crane at last

    變頻調速具有節能、維護工作量小自動控制性能好等優點，得到廣泛應用。本文對目前國內外門機各種機調速系統進行了深入和詳盡的對比和分析，最終確定了m10t門機的變頻調速改造方案。
  7. Master - frequency generators

    主頻率產生器
  8. This master degree thesis, based on the observing of developing actuality of on - site electrical apparatus monitoring technology, aims at overcoming the problems existing in former on - site monitoring system, such as unable to realize multiple channels sampling and hold, unable to carry out multiple channel programmable magnification, unable to monitor frequency, low pick up bits, external rom low speed data saving, inefficient data query method, inflexible debugging and installation, low precision etc. by introducing eda ( electrical design automation ) technology, we put forward a creative circuit design scheme, which can considerable updated the on - site monitor system

    本文根據電氣設備絕緣在線監測技術的發展現狀，針對以往在線監測數據採集系統存在的集成度低，不能實現多通路并行采樣，不能實現多通道同時程式控制放大，不能進行同步頻率監測，采樣位數較低，採用外部存儲器方式，對數據進行查詢的訪問方式，安裝調試不靈活等缺點，提出了應用現代微電子技術電子設計自動化（ eda ）技術實現對在線監測數據採集系統的改進。
  9. We believe that the improvement of the frequency response is due to a two - mode beat that includes the main mode of the slave laser and the master laser mode, which coincides with the side band of the slave laser

    激光器頻率響應的改善可以用兩個模式的拍頻來解釋，一個模式是從激光器的主模，另一個是主激光器的模式，該模式與從激光器的邊帶重合。
  10. Finally the fruit of research for my master degree presents in the way of actual de - hopping and digital intermediate frequency receivers that have passed the examination

    最終以通過檢測的跳頻解跳與數字中頻接收機的實物作為碩士期間的研究成果呈現。
  11. To reduce the frequency of updates, we can send an update only when the original path and the replicated path diverge by a defined amount ( figure 1 ) ( it may then be necessary to run both the master entity and the replicate by the master process to compare them )

    為了降低更新的頻率，我們可以只在原始路徑和復制體的移動路徑發生指定數量的偏離時才發送更新包（這可能需要在主處理器上同時運行主實體和其復制體的運動模擬，以用來對這兩條路徑進行比較） 。
  12. This master ’ s degree thesis firstly introduces and discusses the principle of synchronization in sfn ( single frequency network ) based on dvb - t focusing on some key points, then presents a design of sfn time synchronization system based on fpgas, including the modules of sfn adapter after the mpeg - 2 re - multiplexer and sync system serving as the front - side of the dvb - t modulator at transmitters

    本論文首先介紹並討論了dvb - t單頻網的時間同步原理，對其中的一些關鍵問題做了詳細的分析，在此基礎上提出了一種基於fpga的dvb - t單頻網時間同步的硬體設計方案，即位於mpeg - 2系統層復用器之後的單頻網適配器和發射臺調制前端的同步系統的fpga設計。
  13. Master clock frequency

    主時鐘頻率
  14. Under the proper condition, the slave laser can be locked its frequency to the master laser ' s frequency. we obtained about 60mw laser output

    在鎖定狀態下，獲得了功率約60mw的激光輸出，在rb原子吸收d _ 2線附近調諧范圍達4 . 5ghz 。
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