carrier circuit 中文意思是什麼

carrier circuit 解釋
載波電路
  • 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...
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  1. In order to make the airborne radar instruction control antenna pointing correctly overcome the influence caused by maneuvering of carrier aircraft, and airspace stabilization algorithm is adopted in the airborne radar control circuit

    摘要為使機載雷達指令克服載機機動而正確控制天線指向,在機載雷達控制迴路中加入了空域穩定計算。
  2. On the basis of the situation analysis for practical engineering application, it is put forward to add compensating measures in airspace circuit including instruction feedforward, target feedforward, carrier aircraft feedforward and radome refraction compensation to improve the airspace stabilization accuracy

    根據實際工程應用中的情況分析,為提高空域穩定精度,提出了在空域穩定迴路中加入補償措施,即指令前饋、目標前饋、載機前饋和天線罩折射補償。
  3. Jon walks into the campus security office in his telco costume and explains that he has been called out by the local exchange carrier because a circuit appears to be looped from the telco

    Jon穿著他的電信制服走入場地安全辦公室,然後說明他是由本地交換運營商( local exchange carrier ( lec ) )派來的,因為看來電路從電話公司形成了迴路。
  4. The hetrojunction device fabricated with sige material has shown great advantages over bulk sample in many aspects : higher carrier mobility, larger transconductance, stronger drive capability and hence faster circuit speed

    與體si器件相比,採用sige材料的異質結器件已經在許多方面顯示出了強大的優勢:譬如更大的載流子遷移率,更大的跨導,更強的電流驅動能力以及更快的電路速度等等。
  5. In digital communication, a transmitted carrier signal that consists of the12 single sidebands being sent over the transmission circuit

    在數據通信中,一種傳輸載波信號,由傳輸電路上發送的12個單邊頻帶組成。
  6. The modulation circuit utilized the vector modulation technology based on fourth - harmonic mixer. the lo frequency is only quarter of carrier frequency. direct high speed qpsk digital modulation of millimeter wave signal can be realized with fairly simplified lo circuit

    調制電路採用了以四次諧波混頻器技術為核心的矢量調制技術,利用1 / 4載波頻率作為本振信號,實現了對毫米波信號直接進行高速qpsk數字調制。
  7. Short - circuit protection for electric coaldrill transformer based on carrier - frequency principle

    用載頻原理對煤電鉆變壓器作短路保護
  8. In the third one we investigated the measure of minority carrier lifetime in silicon solar cells by the photo - induced open - circuit voltage decay ( ocvd )

    該部分研究對工業化生產具有參考價值。第三部分研究了採用開路電壓法測量晶體硅太陽電池的少子壽命。
  9. There are five parts are as follows : in part one, the concept of switching function is introduced first to establish the nonlinear mathematical model of the induction motor variable frequency speed adjustment system which is fed by a sine pulse width modulated ( spwm ) inverter and takes the effect of the main magnetic circuit saturation into consideration, then the low frequency oscillation of the system is simulated according to the model. next, from the view point of energy conversion of the inverter - induction system, a criterion for the low frequency oscillation is proposed to determine whether the system is in low frequency oscillation which is judged by whether the interval of the negative current component of the inverter input current is more than 1 / fc ( fc is the carrier wave frequency of the inverter ) or not

    首先引入開關函數概念,建立了正弦脈寬調制( spwm )逆變器供電異步電動機,考慮主磁路飽和時的變頻調速系統整體數學模型,模擬系統的低頻振蕩;其次從逆變器-異步電動機系統能量轉換角度出發,提出通過檢測逆變器輸入電流中負電流的間隔時間是否大於1 / f _ c ( f _ c為逆變器載波頻率)來判定系統是否出現低頻振蕩;最後的實驗結果驗證了系統低頻振蕩建模和判據的實用性和正確性。
  10. 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。
  11. In chapter 4, the circuit of the carrier synchronization unit is implemented on fpga, the resistor transistor logic ( rtl ) schemes are presented

    第四章在fpga平臺上實現載波同步單元電路,並給出了實現后的fpga資源消耗、寄存器傳輸邏輯( rtl )原理圖。
  12. Research on surface and grain boundary passivation mechanism obtained effects of surface recombination on crystalline silicon solar cell performance and the theoretical expression of grain boundary recombination velocity. the limit ratio of short - circuit current increment for anti - reflection coating utilization on solar cells was obtained. the crystalline silicon solar cell spectral response, contact resistance and minority carrier lifetime measurement systems were established

    鈍化機理研究獲得了表面復合對不同表面摻雜濃度晶體硅太陽電池性能的影響、表面和界面復合速度的理論表達式;研究得到了減反射膜對太陽電池短路電流增量比的極限;建立了太陽電池光譜響應、柵線電極接觸電阻和少子壽命等測試系統。
  13. 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。
  14. This paper is about algorithms of carrier recovery used in dvb - c channel receiver system and its implementation in asic ( application specific integrated circuit ). the first chapter gives an overview of digital hdtv and its development, then focus on the dvb - c system, finally talks about the technology involved in asic

    第一章首先概述了數字電視及其發展,接著重點介紹了dvb - c有線電視傳輸系統,並對專用集成電路( asic )設計的發展、流程及將來的趨勢? ? soc的設計技術作了概述。
  15. We define the recombination time of excess electrons in p field as the minority carrier lifetime. in theory, we developed the equation between excess minority carriers lifetime and the open - circuit voltage decay ; moreover, the effect of capacitance to general open - circuit voltage is also investigated. both different efficiency solar cells are measured by the method and showed the relations between the minority carrier lifetime and the performance of solar cells, which provides great useful guidelines for fabricating high - efficiency silicon solar cell in industry

    根據太陽電池的工作原理,詳細地論述了用脈沖光源照射n / p結太陽電池時光電壓的產生,理論上給出了注入p區的電子復合帶來的開路電壓與少子壽命的關系,也研究了n / p結勢壘電容放電對開路電壓衰減的影響關系,推導了利用開路電壓隨時間衰減的關系來測量少數載流子壽命的理論公式。
  16. In the second chapter, equivalent circuit of the eddy current sensor is firstly analyzed. based on that, the carrier signal generating circuit that is realized by the lc periodic circuit is introduced, thus, the carrier signal of standard frequency is obtained through the trimming capacity. subsequently, the disc type rotational armature generator and the rotational coupling transformer are separately leaded in to realize the power supplies of the carrier signal generating circuit and output of the measuring signal

    在傳感器設計一章中,首先對渦流傳感器進行等效電路分析,在此基礎上分析了由電感、電容諧振電路構成的載波信號發生電路,並通過微調電容獲得了標準頻率的載波信號;接下來提出了採用盤式旋轉電樞發電機解決載波信號發生電路電源供給問題的方案,同時通過旋轉耦合變壓器的引入,使得測量信號輸出問題很好地解決;本章最後給出的一組實驗曲線充分說明了這一方案的可實現性。
  17. Lead in solders to complete a viable electrical connection between semiconductor die and carrier within integrated circuit flip chip packages

    完成某集成電路封裝(叩焊晶元)內部實際的電氣連接的焊料中的鉛。
  18. Carrier broadcast circuit

    搬送放送回線
  19. Finally, according to the mosfet ' s parameter degradation due to hot - carrier effects and different application environment of mos devices on analog and digital circuits, the circuit structures for hot - carrier immunity are proposed for digital applications by adding a schottky diode in series with the drain of the nmosfet suffered heavily from hot - carrier degradation.,

    即在受熱載流子退化效應較嚴重的n mosfet漏極串聯一肖特基二極體的新型cmos數字電路結構和串聯一工作于線性區的常開n mosfet的mos模擬電路結構。經spice及電路可靠性模擬軟體bert2
  20. The content of this theme is as follows : without time, without open, without stopping railway transport, and without interrupting traction current of block tested, meanwhile track circuit parameters in electrical and no electrical blocks is measured of on - line, dynamic and real - time. these parameters include voltage of fsk signal, voltage of industrial and harmonic wave interference, upper frequency, lower frequency, carrier frequency and low frequency 18 messages frequency

    本課題研究內容:在不要點,不開天窗,不中斷行車,不中斷被測區段牽引電流的情況下,在線、動態、實時測量電化區段和非電化區段的移頻信號電壓、工頻干擾電壓,移頻信號(調頻信號)的上邊頻、下邊頻、載波頻率、以及低頻18信息頻率等參數。
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