載波器 的英文怎麼說

中文拼音 [zǎi]
載波器 英文
carrier
  • : 載Ⅰ名詞(年) year : 一年半載 six to twelve months; six months to a year; 三年五載 three to five ...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 載波 : signal carrier; carrier wave; carrier: 3路載波 three channel carrier載波傳輸 carrier transmission...
  1. The power of the modulated carrier wave is increased by the rf power amplifier

    射頻功率放大增加了調變的功率。
  2. Chrominance subcarrier regenerator

    色度副再生
  3. Whatever it is radar, eccm equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal

    無論是雷達、電子對抗,還是通信、儀設備等都需要高穩定度的頻率源,以保證信號的質量。
  4. E., the carrier frequency of a gaussian beam deviates from the resonant frequency of a fabry - perot etalon ), variations of the peak intensity, the position of the peak intensity and the dwdm systems, has received considerable attention. in this work, after taking into account the wavelength - depended reflectivity distribution profile of a fiber bragg grating, the oscillation wavelength # _ ( 1 ) of long external cavity fiber bragg grat

    與共振情況(即高斯光束的頻率與法布里一拍羅濾的諧振頻率一致)相比,非共振條件(即高斯光束的頻率與法布里一拍羅濾的諧振頻率存在偏差)一透射光束的峰值強度、峰值強度所對應的位置、以及光斑的大小隨入射角的變化都發生了顯著的改變。
  5. Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters, radiators, resonators, and wide - band transmission lines, etc. periodic - loaded waveguides play very important roles in high - power microwave tubes, corrugated antennas and linear accelerators

    在各種微件如濾、輻射、諧振和寬帶傳輸線中橢圓導有著廣泛的應用。周期加導在高功率微管、紋喇叭和線性加速等中起著重要作用。
  6. Moreover, it does not necessarily need waveforms other than sinusoids, for both modulator and carrier, in order to produce interesting musical sounds

    而且,它不一定需要調制形(除了正弦)來創作有趣的樂聲
  7. However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution

    採用相應調制方式的ic品種繁多,各有千秋。但pwm在輕時效率較低,而pfm由於頻譜分佈隨機,不利於后續濾的設計。
  8. The formation of standard vice carrying - wave used by v identical wave detector in color tv

    同步檢用基準副的形式
  9. Carrier signal generator

    信號發生
  10. Electricity metering - data exchange for meter reading, tariff and load control - part 31 : use of local area networks on twisted pair with carrier signalling

    電度表.計數讀數稅控制和負控制的數據交換.第31部分:帶有信令的雙扭線局域網的使用
  11. Colour carrier modifier

    彩色修正
  12. Skj ( jjw ) series of ac purifying regulated power supply, incorporating functions of regulation and auti - inter ference, designed and muters, xerox, video equipments, medical instrmments and other electr onicinstrmmerts and autocontrol systems for is wide vange of regulating, high precicion, quickacting, high effciency, small itcan restrain restrain sharp voltageand protect from moise of electric power net

    系列進精密凈化電源是當今國際上普遍採用的現代電源調節技術,配以大容量濾與集成化控制系統構成;它具有如下特點:可靠性好、效率高、優良的動(瞬)態,體積小、重量輕、噪音低、負適應能力強;適用於對電源要求較高的儀或設備。
  13. According to the frndamental and the steps of this method, we cans use the linear regress filter method to make the simulation of the wind load and then we can educe the curve of the time - process wind velocity. after that step, we can get the chart of the dynamic wind load which we can deliver the crosswind into the particle wind load and put them on the corresponding cell nodes. then we can do the analysis of the dynamical wind load through the time - process analysis to get the max value of the displacement

    根據線性回歸濾法的基本原理和步驟,藉助相關軟體進行風荷的人工模擬並得出風速時程曲線,進而轉化為風動力譜,由此將橫風向風力表達成節點風荷作用於相應的單元節點上,按時程分析法對該空間桁架體系進行風荷的動力分析,求出結構在進行風動力荷分析時,結構相應節點對應的最值位移值。
  14. Based on the six - port relative power theory that for a given load the relative power ratios of different ports are left unchanged with the input power to the six - port varied, characteristic parameters of detectors can be obtained through the least - square method

    根據六埠相對功率理論即對某一負各埠相對功率比值不隨輸入功率變化,由最小二乘法得到檢的特徵參數,結合四標準法,確定六埠網路的系統常數。
  15. Fourth - harmonic mixers are adopted in carrier recover in the modulation millimeter wave qpsk signal

    解調方案同樣採用四次諧混頻在毫米已調信號上進行同步。
  16. Carrier frequency leakage less than - 40db can be attained since good agreement of the two diodes antiparalleled in even - harmonic mixer is guaranteed inherently

    在簡化信號產生電路的同時,利用偶次諧混頻固有的本振偶次諧高抑制度特性,來抑制泄漏。
  17. 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混頻技術為核心的矢量調制技術,利用1 / 4頻率作為本振信號,實現了對毫米信號直接進行高速qpsk數字調制。
  18. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上,將通信理論中的直接序列擴頻技術( dsss )用於解決低壓電力線通信的干擾問題,主要研究內容如下: ( 1 )用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析,分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析,驗證dsss技術在本系統中的可行性; ( 2 )由dsss技術對濾系統的要求,根據濾理論分析了巴特沃思型濾的逼近原理並設計了合適的濾電路; ( 3 )用調制解調晶元sc1128和自行設計的濾加之輔助外圍電路,構造出低壓電力線通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制; ( 4 )分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗,並對結果進行分析,驗證了dsss技術對干擾信號的抑制作用。
  19. The methods that can efficiently suppress the disturbance on gate of switching component of the inverter - bridge are synthesized. a dual - inductor output filter is employed to improve electromagnetic interference ( emi ), due to turn - on or turn - off of the power switches of the inverter, which may be lead loads into trouble

    本文詳細論述了1kva25hz新型鐵路信號電源和2kva高頻在線式ups的設計和調試工作,總結了幾種能夠有效抑制逆變橋功率開關管門極干擾的措施,並且運用一種雙電感結構的輸出濾來改善由逆變功率管在開關過程中產生的、影響負設備正常工作的電磁干擾。
  20. Guide for power - line carrier applications

    電力線路載波器指南
分享友人