filter carrier 中文意思是什麼

filter carrier 解釋
濾光載架
  • filter : n 1 濾器,濾紙,過濾用料[砂、炭等]。2 【無線電】濾波器;【物理學】濾光鏡,濾色器。vt 過濾,用過濾...
  • 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...
  1. A carrier gas filter system is recommended to be installed on the helium line ( he )

    在氦氣管路前面建議安裝氣體凈化裝置。
  2. Carrier transfer filter

    載波傳輸濾波器
  3. And in this foundation, unified the kalman filter to make the improvement to the carrier recover algorithm, enhanced the synchronous system performance

    並在此基礎上,結合卡爾曼濾波器對載波同步演算法作了改進,提高同步系統性能。
  4. Wave carrier filter, power - transfer transformer and aux - power transformer

    載波頻率濾波器,電源轉換用變壓器和輔助功率變壓器。
  5. Wave - carrier frequency filter, all kinds of sensors, high - frequency power - transfer transformers

    載波頻率濾波器,各種感應器和變壓器,傳感器以及高頻電源轉換用變壓器等。
  6. Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop

    本文首先分析了調相信號調制解調的基本理論和多媒體計算機( mpc )聲卡組成原理及數據傳輸等方面的內容,然後研究並實現了基於計算機聲卡的bdpsk和qdpsk信號軟體調制解調系統,內容包括數字載波序列的產生、載波同步、濾波器設計,信號的抽樣判決等。
  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. The principle and structure of pll ( phase - locked loop ), including fll and loop filter, are analyzed and described. the module of carrier synchronization in the all - digit ds - qpsk receiver was carried out in the fpga chip. the problem about the estimation and track of the correlative carrier frequency under high dynamic circumstances was resolved very well

    針對某遙測遙控全數字接收機的研製,對相干載波同步中的鎖相環、鎖頻環、 dpll 、本地nco等進行了詳細的分析和優化設計,在fpga上實現了高動態全數字ds - qpsk接收機中的載波同步模塊,解決了大范圍和動態多普勒頻移下接收機的相干載波提取與跟蹤問題。
  9. First, we analysize the performance of coherent and noncoherent dlls, then we give an implementation scheme of dll and a design method of carrier tracking loop. the design methods and a implemention scheme of a fir shaping filter is proposed in the fifth part

    首先分析了相干和非相干延遲鎖定環的性能,接著給出了一種dll跟蹤環路的實現方案和一種載波跟蹤環路的設計方法。第五部分介紹了一種fir成型濾波器的設計和實現方法。
  10. In this paper, the characteristic of catalytic diesel particulate filter ( cdpf ) used for particulate matter trapped from diesel engine is introduced, the methods of catalytic regeneration are reviewed, and the present research of ceramic honeycomb carrier coat wash and active catalyst is summarized

    摘要介紹了柴油機微粒后處理催化捕集器特點,評述了過濾器催化再生方法,綜述了蜂窩陶瓷載體塗層及催化劑活性組分研究現狀。
  11. Phase - lock part of the system was simulated in system view that is a eda tool, including picking - up carrier synchronization algorithm and designing filter, etc

    系統採用相干解調方法,載波同步採用costas環,在系統開發過程中,利用eda工具systemview對鎖相部分包括載波同步演算法和數字濾波器設計等內容進行了模擬分析。
  12. 1. development of a co - culture method of endothelial and smooth muscle cells by using the microporous polycarbonate filter membrane as the carrier, endothelial and smooth muscle cells were inoculated on the opposite sides of the carrier. the interaction between the endothelial and smooth muscle cells were examined by light and transmission electron microscopy

    Ec和smc共培養模型建立採用微孔多聚碳酸酯濾膜( polycarbonstefiltermembranc )作為載體,將牛主動脈ec和家兔主動脈smc接種于孔膜的兩側,建立ec和smc聯合培養模型,模擬血管壁ec和smc間的結構關系。
  13. Considering the bandwidth efficiency, the error rate performance and the complexity for realization together, we construct a digital transmission system with single - carrier modulation technique using the optimum premodulation filter. then the system parameters and performance indexes are prensent

    綜合考慮帶寬效率、誤碼性能和實現復雜程度以後,構建出基於單載波調制技術的無線數字傳輸系統,並給出系統參數和性能指標。
  14. Solids are carried along the cloth by the carrier belt and are washed and dried along the length of the filter

    固體在由輸送皮帶帶動的濾布上沿著其長度向前運動,然後進行清洗和乾燥。
  15. This dissertation proposes to adopt poly - phase filtering channelized receiver to receive the special multi - carrier ds - cdma signal, which is studied by this dissertation, and use digital matched filter to de - spread signal

    在此基礎上提出採用多相濾波器組通道化接收機來接收本文研究的多載波擴頻通信信號,並使用數字匹配濾波器進行解擴。
  16. The volume of the output filter can be reduced greatly used in cascade inverter with carrier - phase - shifted spwm technology which has a high equivalent switching frequency and a good output sine wave. it is the base of the high power density of asi

    載波移相正弦脈寬調制技術有獨特的消諧波優勢,其等效開關頻率高,輸出波形正弦度好,可以大幅減小濾波器體積,為實現系統的高功率密度奠定基礎。
  17. A few kinds of signal separate measures, double caner frequency automatc switch function and relay function are taken into account on the design of wfplc - ml iniddle - voltage distribution line carrier modem. coupling equipment is designed with the filter and capacitance fitted togethel in this papef, it is also advanced an scheme about caner signal spanning the distribution line break. the equipment system has been finished and put into use, which has better result. the feasibly and necessity of the studying of this problem are posed

    Wfplc3510中壓配電載波系統利用10kv的架空線或電纜,將主控斷發出的命令信息轉換為載波信號通過三相耦合器耦合到電力傳輸線上,在被控端利用單相耦合器耦合到載波信號后轉換為介面信號發送給被控單元,被控單元亦可將返回數據通過單相耦合發送載波信號到主控端,實現信息的雙向傳遞。
  18. Piezoelectric ceramic filters for use in electronic equipment. detail specification for piezoelectric ceramic band - pass filter type lt13. 2m for use in carrier. assessment level e

    電子設備用壓電陶瓷濾波器詳細規范. lt13 . 2m型載波機用帶通壓電陶瓷濾波器.評定水平e可供認證用
  19. In this paper, aimed at the problems existed in theoretical analysis and application of ftm, the discrete fourier transform method is applied to analyze the traditional ftm ( tftm ). and computer simulation is applied. the main propose is to solve the problem, such as frequency shifting, selection of carrier frequency big or small and selection of filter window size. considering the feature of double - exposure holographic interferometry, we propose a modified ftm ( mftm )

    針對二次曝光數字全息干涉術中ftm存在的理論缺陷和具體應用到二次曝光全息干涉計量中存在的問題,本文從離散傅立葉變換的角度對傳統的傅立葉變換法( tftm )進行了理論分析和計算機模擬計算,並重點致力於解決ftm中的移頻問題、載頻大小的選擇以及濾波窗口大小的選擇等關鍵問題,結合二次曝光全息干涉的特點提出了改進的傅立葉變換法( mftm ) 。
  20. How to understand the correlation of parameters and its influence in communication system is the essential task in the research of communication system. through carrying on research and analysis to various kinds of adaptive algorithms, this paper is focus on the application of the algorithm in demodulation in the digital signal carrier transport. the dpsk signals demodulation basing on adaptive algorithm is improved on and a new method is presented for qdpsk and qam signals demodulation by adaptive filter

    簡單分析討論了ask 、 fsk的自適應解調方法,由於本研究的戰術電臺中信號處理採用的是psk方式,所以本文重點研究了利用ndlms演算法對dpsk信號的解調方法,並且結合調制信號中正交載波的特點,提出了qdpsk信號自適應解調方法,在提出上述方法后,本文通過模擬進行了驗證。
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