tuning band 中文意思是什麼

tuning band 解釋
調諧波段
  • tuning : n. 1. 【音樂】調音[弦]。2. 【無線電】調諧;收聽。
  • band : n 1 帶,繩;帶形物;箍;箍條;嵌條;鑲邊;鋸條; 〈pl 〉 (法官等的)寬領帶。2 束縛,羈絆;義務;...
  1. Inside the nassau coliseum in uniondale, new york, bob dylan and the band were tuning up for a concert.

    在紐約州尤寧谷城拿騷體育館內,鮑勃狄倫和美國搖擺樂團正為音樂會上用樂器調音。
  2. Today, liquid crystal, a new functional material, has been applied more and more widely. on the side of display, owing to stable frarne, absolute environmental protecting, save electric energy and no tire for user, liquid crystal display keeps ahead among the range of display. with the developing of the technology of liquid crystsl, lcd will must substitute for crt and become the chief in market. in additin, liquid crystsl light filers which have been used in optic communicatins and light information handling, emply th e technical of combining the birefringence of liquid crystsl and fabry - petrot - type cavity. they manifest a series of merit, such as narrow band wide, deterioration low, wide tuning domain, simple structure and low cost, so liquid crystal light filter draw attention of many country

    現在,液晶作為一種新型功能材料越來越得到廣泛的應用,在電子顯示裝置中,液晶顯示器以其畫面平穩、真正安全環保、省電和使用者不易疲勞等優點領先於顯示器的行列中。隨著液晶技術的發展,液晶顯示器將取代crt顯示器逐步成為未來市場的主流。此外,應用於光通信和光信息處理中的電調諧液晶濾光片,採用液晶材料的雙折射和電光效應與傳統f - p腔相結合,表現出窄帶寬、低損耗、調諧范圍寬、驅動電壓低、結構簡單、低成本等一系列優點,而日益受到各國研究部門的關注。
  3. Inside the nassau coliseum in uniondale, new york, bob dylan and the band were tuning up for a concert

    在紐約州尤寧谷城拿騷體育館內,鮑勃?狄倫和美國搖擺樂團正為音樂會上用樂器調音。
  4. It was late january, 1974. inside the nassau coliseum in uniondale, new york, bob dylan and the band were tuning for a concert

    1974年1月下旬的一天,在紐約州尤寧谷城拿騷體育場內,鮑勃?狄倫和「樂隊」樂隊正在為音樂會上要用的樂器調音。
  5. Band setting tuning condenser

    波段選擇用調諧電容器
  6. Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency

    短數據快速測頻演算法的具體實現:使用并行流水線的設計方法,提高了系統的數據吞吐率,在100mhz的系統時鐘下,能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據,在64點采樣, 100mhz系統時鐘情況下,初次測頻佔用時間640ns ,以後每次測頻佔用時間縮短到160ns ,實時地提供多相濾波下變頻所需的載頻位置信息,縮短了接收機的調諧時間。
  7. Filter poly - phase decomposition method is adopted in this dissertation. the partition of the tuning channel according to the digital mixing sequence, and the digital down - conversion by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal

    本文採用濾波器多相分解方法,按數字混頻序列劃分調諧通道,使用先抽取,后低通濾波,再混頻的數字下變頻結構,高效實現了變載頻帶通信號數字下變頻。
  8. Band spread tuning

    頻帶展開調諧
  9. It also gives the motive of the ka - band vco and mixer, associated with the subject ' s requirement and the realistic conditions, according to which a proposal is confirmed that the gunn diode and the varactor are mounted in the same cavity to fulfill the vco and an antiparallel diode pair is used to fulfill the harmonic mixer. in chapter 2, based on the basic theory of negative resistance oscillating, we analyses the gunn oscillator and it ’ s tuning character. chapter 3 introduces the theory of millimeter - wave harmonic mixer

    以此為根據結合課題需要和實驗室的實際條件,確定vco採用耿氏管腔體振蕩器形式,變容管與耿氏管安裝在同一個腔內以進一步減小體積,採用反向並聯二極體實現諧波混頻;第二章介紹負阻振蕩器理論及其調諧原理;第三章介紹毫米波諧波混頻器基本原理;第四章給出了振蕩器及諧波混頻器的設計過程,整個組件聯調的結果;最後是結束語,分析了電路中存在的問題,指出了改進方向。
  10. Zno is promising : high - quality zno with very low defect densities can be synthesized at much lower temperature ; zno can emits light with shorter wavelength than blue light emission from gan ; zno has higher excitonic binding energy promising strong photoluminescence from the bound excitonic emissions even at room temperature ; by alloying with mgo, tuning of the band gap while keeping the zno hexagonal structure can be achieved by forming mgxzn1 - xo. as we know, band gap tuning is important to produce efficient and lasting light emitting diodes ( led ) and other electronic devices

    利用mg _ xzn _ ( 1 - x ) o薄膜,可以在保持zno六方纖鋅礦( wurtzite )結構的同時有效調節調節薄膜的禁帶寬度,制備出基於氧化鋅的量子阱、超晶格及相關的光電器件,如基於氧化鋅的紫外光探測器、紫外發光二極體和紫外激光二極體等光電子器件。
  11. Chapter 3 treats the principle of the best tuning synchronization loop, and the realization of the data - aided timing synchronization loop. together with the characterization of band - limited signals without biter symbol interference and the one of atsc - vsb signals, the chapter proposes a scheme for implementing timing synchronization loop used in hdtv

    第三章首先論述了最佳位同步環的原理,以及數據輔助位同步環的實現,並結合無碼間干擾的基帶傳輸特性及atsc - vsb的特點,提出了hdtv中位同步的實現方案。
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