無載電路 的英文怎麼說

中文拼音 [wúzǎidiànlù]
無載電路 英文
unloaded circuit
  • 無 : 無Ⅰ動詞（沒有） not have; there is not; be without Ⅱ名詞1 （沒有） nothing; nil 2 （姓氏） a surn...
  • 載 : 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 ...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 路 : 1 （道路） road; way; path 2 （路程） journey; distance 3 （途徑; 門路） way; means 4 （條理） se...
  • 電路 : [訊] circuit （ckt）; electric circuit; electrocircuit電路板 circuit board; 電路保持 guard of a c...
  1. In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage

    我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。
  2. Based on the special load of the contactless system, this paper analyses and contrasts the principle and feature of the series and parallel resonance circuit. design the high frequency full - bridge series resonance converter and make the main circuit apply to the contactless electrical power deliver system and analyses the process of the main circuit in detail

    根據無接觸電能傳輸系統特殊的負載特性，詳細分析並對比了並聯和串聯逆變器的工作原理及電路特點，設計出應用於無接觸系統中的高頻全橋串聯諧振逆變器的拓撲結構，進而設計並製作了系統的主電路，詳細的分析了主電路的工作過程。
  3. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  4. Ananasis on the short - eircuit current of the infinitely great electric power system

    無限大容量電力系統負載短路電流簡析
  5. By the means of downloading software into the if digital hardware platform, some satisfying results have gotten and shown in this dissertation with help of circuit board and measuring devices, which fully testifies the feasibility of theory and realization of if digital technology in software radio and the feasibility of this project as if digital unit of ultrashort transceiver

    最後，將軟體加載到中頻數字化硬體平臺上，藉助電路板和測量設備，得到了滿意的試驗結果，充分證實了軟體無線電中頻數字化技術的理論和實現的可行性以及本系統作為軟體無線電超短波調頻電臺的中頻數字化模塊的可行性。
  6. The basic idea is that increasing the equivalent harmonic impedance of power network by valid control of active filter, in order to enhance the performance of passive filter and damp the resonance between the passive filter and the equivalent inductance of the power network

    無源支路在補償無功功率的同時還可以濾除因非線性負載產生的特徵諧波電流，為了抑制無源支路跟電網等效電感產生的諧振現象以及改善無源濾波器的濾波性能，系統中採用諧振注入式有源濾波拓撲。
  7. Electronic soft starter is a kind of novel motor control device which can implement the soft - start, soft - stop and energy - saving of the asynchronous motor. compare in the traditional motor starter, it has outstanding advantages such as stepless regulation of the motor start, avoid the inrush of the torque and the current, and reliable protections, convenient operation and starting repetitively. so the paper aim at electronic soft starter, asynchronous soft starter of electrical machinery electron as research object, study it ' s high - performance soft starting technology - torque control soft - start, develop its realization circuit

    異步電動機電子軟起動器是一種集電機軟起動、軟停機、輕載節能和多種保護功能於一體的新穎電機控制裝置，相比于傳統的起動器，它突出的優點體現在能夠連續無級的調節電機起動、沖擊轉矩和沖擊電流小、控制簡便、起動重復性好以及體積小等方面，本文以異步電機電子軟起動器為研究對象，研究高性能的電機軟起動技術- - -轉矩起動方式，並研製其實現電路。
  8. This dissertation aims on the simulation analysis of some typical wireless mobile ad hoc routing protocols, proposes and achieves a routing protocol which is suitable for the vehicle - carried broadcasting station

    本文旨在對部分典型無線移動adhoc網路路由協議進行模擬分析，並提出和實現了適合於車載電臺的路由協議? ? sdsr 。
  9. It is both a theoretic and a practical project. after analyzing several identification methods, the writer put forward a method based on t - model equivalent circuit. to consider the skin effect, the writer modified the t - model equivalent circuit, adding the skin effect coefficients

    經過分析幾種常用的電機參數辨識方法，如頻響法，最小二乘法和卡爾曼濾波法等之後發現在本課題的前提條件? ?空載全電壓起動下無法進行辨識，因此藉助于電機的t型等效電路模型。
  10. So the emergence of facts is just for the purpose of solving these problems of power system. as a branch of facts, active power filter ( apf ), a new power and electric equipment, its function is to eliminate load harmonic and compensate system line reactive power, damp system surge of node voltage, decrease power waste of system line

    作為facts的一個重要分支- - - -有源濾波器（ apf ） ，是為了解決系統線路無功功率因數過低以及負載線路諧波過多，從而出現線路損耗大、電源電壓的瞬態波動過陡等一系列相關問題而產生的一種新型電力電子裝置。
  11. Without using mechanical potentiometer, the load voltage of the test mainframe can be putted on in the way of program control through the circuit board or through the cat software

    負載電壓可以在電路板上或肛軟體中進行程式控制加載，無機械電位器，調節方便，輸出精確、穩定。
  12. After the analysis of power produce character of the typical three - phases unbalance load, the corresponding circuit is adopted. this main circuit is composed of the power filter series and tcr control circuit. secondly the theory of band - pass filter is analyzed in detail, and then a method of implementing butterworth band - pass filter is put forward

    簡要分析了無功補償的基本原理和工作特點，通過對典型的三相不平衡負載工作特點的分析，主電路採用電力濾波器與晶閘管控制電抗器相接合的結構；對用於無功檢測的帶通濾波器進行了分析，設計了用於負載電壓、電流信號濾波的帶通濾波器，並採用運算放大器加以實現。
  13. This paper simulates and analyses the torque pulsation because of the modulation frequency and speed variation under ambipolar pulse width modulation ; the influence of snubber circuit, dead time effects, and modulation frequency to igbt pwm inverterbridge is taken into account, too

    本文對雙極性調制的無刷直流電動機模擬，分析了轉速和調制頻率對轉矩影響；並綜合考慮緩沖電路、控制死區及載波頻率對pwm逆變電路中igbt開關損耗的影響。
  14. Low power design of the hardware is divided into two levels : device level and system level. in device level, low power design mainly focuses on decreasing load capacity and leaking current

    硬體低功耗設計有兩個層次:器件級的低層次設計主要關注減少負載電容和漏電流;系統級的高層次設計主要關注減少無用的邏輯和無用的電路活動。
  15. And for analog applications by adding a normally - on nmosfet in series with the n - mosfet in an analog circuit respectively. according to spice3f5 and bert2. 0 simulation results, the substrate current of new structure cmos inverter is suppressed to about 50 % of its original value and good hot - carriers resistant behaviors are obtained without adding any extra delay

    0對倒相器的模擬結果表明：新型cmos數字電路結構結構使襯底電流降低約50 ，器件的熱載流子退化效應明顯改善而不會增加電路延遲；巳該電路結構中肖特叢一級管可在nmosfet漏極亙接製作肖特基金半接觸來方便地實現，工藝簡單又無須增加晶元而積。
  16. To prevent pumping system stopping working, working without efficiency and being destroyed, so it is very important to monitor oil - well. the thesis dissertates the process of developing displacement - load sensor which collects displacement data and load data to form the indicator diagrams, researches the means based on rbf neural network of recognizing fault types, designs parts of hardware and software of the mainframe of the oil - well monitor and control system, and debugs the entire oil - well monitor and control system

    為了防止抽油機故障停機、無油空抽、不法分子的蓄意破壞等情況的發生，因此對油井工況進行實時監控顯得尤為重要。本文論述了採集用於形成油井示功圖的位移和載荷數據的傳感器的研製，包括硬體電路和軟體的設計，對基於rbf神經網路的油井工況模式識別方法進行了研究，對監控系統主機的部分硬體電路及相應的軟體進行了設計，並對整個油井監控系統進行了聯調和測試。
  17. The initial hisense tetra product offering will include a range of compact, ruggedised, lightweight hand - held radios, high - powered 10 watt vehicle radios and gateways that are capable of extending network coverage

    初級階段的海信tetra產品將包括簡潔、耐用、輕便的手持無線電通訊設備、高性能的10瓦車載無線電通訊設備及可擴大網路覆蓋面積的網關。
  18. Finally, the paper gives out a scheme of digitized carrier synchronization loop for software defined radio receiver which is based on the hardware platform composed of fpga and dsp

    最後給出了一種用fpga與dsp組成的硬體平臺實現軟體無線電接收機載波同步環路的方案。
  19. A monolithic microwave integrated circuit ( mmic ) is a microwave circuit in which the active and passive components are fabricated on the same semiconductor substrate. mmic, having advantages of small size, light mass, high reliability and excellent reproducibility, finds use in a variety of microwave system, especially in airborne radar and space applications

    單片微波集成電路（ mmic ）是將有源元件和無源元件都集成在同一個半導體襯底上的微波電路；具有尺寸小、重量輕、可靠性高、生產重復性好等優點，廣泛應用於各種微波系統，特別是機載雷達和衛星通信等方面。
  20. Cdma2000 en electromagnetic compatibility and radio spectrum matters - base stations, repeaters and user equipment for imt - 2000 third - generation cellular networks - part 4 : harmonized en for imt - 2000, cdma multi - carrier cdma2000 covering essential requirements of article 3. 2 of the r tte directive v2. 2. 1

    電磁兼容性和無線電頻譜情況. imt - 2000第三代細胞網路用基站中繼器和用戶設備.第4部分:包括r tte指令3 . 2條款的基本要求的imt - 2000的cdma多載波
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