carrier channel 中文意思是什麼

carrier channel 解釋
載波波道
  • carrier : n 1 運送人，搬夫；負荷者；使役，〈美國〉信差，郵遞員；送報人；〈英國〉運輸行，運輸業者。2 傳書鴿...
  • channel : n 1 水路，水道，渠，溝；海峽；河床，河底。2 （柱等的）槽，凹縫；【機械工程】槽鐵，凹形鐵。3 〈比...
  1. Rnp regional airmanship refers to make use of aircraft self - carrier navigation equipment and the new technology channel off rise - and - down by gps

    Rnp區域導航技術，是利用飛機自身機載導航設備和全球定位系統引導飛機起降的新技術。
  2. A channel estimator for multi - carrier system in fast time - varying fading channels

    一種快時變通道下多載波傳輸系統的通道估計方法
  3. This arithmetic divides the wavelet coefficients of carrier image into 27 - classes by the background luminance, the texture and the edge mask character of visual system ; then after encrypting watermark image with magic cube transformation, the ycbcr model is employed, it embeds the watermark sequences in the carrier image with different intensity according to the coefficients " classes of carrier image in y channel

    首先，將載體rgb圖像轉換到ycbcr顏色空間，然後提取亮度通道y ，將其進行小波變換，然後利用人眼視覺模型對載體圖象分解后的小波系數進行分類。其次，對有意義的水印圖像分別進行3次不同的魔方置亂，得到3個隨機水印序列。
  4. Third : carve out channel, using extracurricular action to solve environmental problem, chemistry extracurricular action is use environmental chemistry and green action a main carrier, the goal is improve students environmental consciousness, establish right environmental valuable, concept and attitude, consolidate students habits of environmental action, foster students craftsmanship which is how to solve environmental problem, and the trait is fit for environmental trait and need of the epoch development, bring into play students initiation plenitude, enhance students " entirety of diathesis, the students none but go deep into the society practice, join many kinds of exercise actively, they can get clear experience, realize the importance of the protect environment, on the other hand, they can study the knowledge about environmental chemistry, develop craftsmanship about protect environment, improve the students " ability of using the knowledge to solve actual environmental problem

    三、拓寬渠道，利用課外活動參與解決環境問題。化學課外活動是以環境化學和綠色行動為主要載體，以充分提高學生的環境意識、樹立正確的環境價值觀與態度、強化學生的環境行為習慣、培養學生參與解決環境問題的技能為目標，以最新的現代環境知識、環境觀念和學生的直接經驗為主要內容，以適應當地環境特點和時代發展需要，充分發揮學生的主體性、發展學生的全面整體素質。學生只有深入社會實踐，積極參加各種活動課，在活動中一方面獲得真切的感受，體會到環境保護的重要性，另一方面可使學生較好掌握環境化學有關知識，發展環保技能，提高學生靈活運用知識初步解決實際環境問題的能力。
  5. Single channel per carrier scp

    單路單載波
  6. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  7. Chcs channel carrier common supply

    通道載波共用電源
  8. Based on the hydrodynamic energy transport model, the influence of variation of negative junction depth caused by concave depth on the characteristics of deep - sub - micron pmosfet has been studied. the results are explained by the interior physical mechanism and compared with that caused by the source / drain depth. research results indicate that with the increase of negative junction depth ( due to the increase of groove depth ), the threshold voltage increases, the sub - threshold characteristics and the drain current driving capability degrade, and the hot carrier immunity becomes better in deep - sub - micron pmosfet. the short - channel - effect suppression and hot - carrier - effect immunity are better, while the degradation of drain current driving ability is smaller than those with the increase of depth of negative junction caused by source / drain junction shallow. so the variation of concave depth is of great advantage to improve the characteristics of grooved - gate mosfet

    基於能量輸運模型對由凹槽深度改變引起的負結深的變化對深亞微米槽柵pmosfet性能的影響進行了分析，對所得結果從器件內部物理機制上進行了討論，最後與由漏源結深變化導致的負結深的改變對器件特性的影響進行了對比.研究結果表明隨著負結深（凹槽深度）的增大，槽柵器件的閾值電壓升高，亞閾斜率退化，漏極驅動能力減弱，器件短溝道效應的抑制更為有效，抗熱載流子性能的提高較大，且器件的漏極驅動能力的退化要比改變結深小.因此，改變槽深加大負結深更有利於器件性能的提高
  9. We represent a temperature model of surface carrier mobility of short channel most after thinking about kinds of dispersion effect

    在考慮了各種散射效應對遷移率的影響后，提出了短溝道most表面載流子遷移率的溫度模型。
  10. Grading standard for quality of carrier telephone equipment. 12 - channel carrier telephone over wire equipment

    載波電話設備質量分等標準明線. 12路載波電話設備
  11. Grading standard for quality of carrier telephone equipment. 3 - channel carrier telephone over cable equipment

    載波電話設備質量分等標準.明線電纜3路載波電話設備
  12. Grading standard for quality of carrier telephone equipment. open wire high band 3 - channel carrier telephon equipment

    載波電話設備質量分等標準.明線高頻3路載波電話設備
  13. Grading standard for quality of carrier telephone equipment. open wire high band 12 channel carrier telephone equipment

    載波電話設備質量分等標準.明線高12路載波電話設備
  14. Scpc single channel per carrier

    單路單載波
  15. The former realizes steady transmission of signal by testing and analysing the carrier channel ' s frequency characteristic

    前者是通過對載波通道的頻率特性時變性測試、分析，實現信號平穩傳輸。
  16. After analyzing the noise in the high frequency carrier channel and computing the parameter of channel, we solved the kernel problems of coupling and matched impedance. separate designing the power, power amplification, port, transceiver and other circuits, we fitted together all circuits become the whole lonworks node circuit, and then triumphantly debugged it

    經過對高頻載波通道的干擾特性分析和線路參數的計算，解決了耦合和阻抗匹配等核心問題，並對電源、功放、介面、收發器等部分電路分別設計，最後形成了完整的lonworks節點硬體電路，並調試成功。
  17. This paper presented a general systematic view, application and current development of the power line carrier transmission technology, and clearly compared some existing power line carrier communication chip with each other. then the authors analyze the channel " s characters of low voltage power line, and formed an abstract carrier channel model. using this as its basis, a new kind of transmission technology is designed that adopted transmission technology combining the spread spectrum modulation with channel coding, which can solve the problems above mentioned to a certain degree, and need not pay for high cost

    文章不僅全面地介紹了電力線載波通訊技術的特點、應用及其發展狀況，還對目前的電力線載波通訊晶元進行了比較；並通過對低壓電網通道特性的分析和研究，抽象出其載波通道模型，在此基礎上，提出了將擴頻調制和通道編碼相結合的傳輸技術用於低壓電力線載波通信，這可以在很大程度上解決電力線的干擾問題，且不必付出高昂的代價。
  18. Abstract : the constitution of radio - frequency carrier channel is described, the effects of the components on the radio - frequency signals are analyzed and corresponding solutions are proposed

    文摘:講述了組成高頻載波通道各個環節的結構及作用，分析了它們對高頻信號的影響，提出在非正常工作情況下的解決辦法。
  19. Domestic satellite communication earth stations - gereral technical requirements - part 4 : television frequency modulation carrier channel

    國內衛星通信地球站總技術要求第4部分:電視調頻載波通道
  20. Design and realization of a communication system with electric power transmission line as carrier channel

    9901在基本鎖相環中的應用
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