調頻運行方式 的英文怎麼說

中文拼音 [diàobīnyùnhángfāngshì]
調頻運行方式 英文
holding frequency
  • 調 : Ⅰ動詞1 （配合得均勻合適） harmonize; suit well; fit in perfectly 2 （使配合得均勻合適） mix; adju...
  • 頻 : Ⅰ形容詞（次數多） frequent Ⅱ副詞（屢次） frequently; repeatedly Ⅲ名詞1 [物理學] （物體每秒鐘振動...
  • 運 : Ⅰ動詞1 （物體位置不斷變化） move; revolve 2 （搬運; 運輸） carry; transport 3 （運用） use; wield...
  • 行 : 行Ⅰ名詞1 （行列） line; row 2 （排行） seniority among brothers and sisters:你行幾? 我行三。where...
  • 方 : Ⅰ名詞1 （方形; 方體） square 2 [數學] （乘方） involution; power 3 （方向） direction 4 （方面） ...
  • 式 : 名詞1 （樣式） type; style 2 （格式） pattern; form 3 （儀式; 典禮） ceremony; ritual 4 （自然科...
  • 調頻 : frequency modulation （fm）; frequency adjustment調頻磁帶錄音機 f m magnetic tape recorder; 調頻...
  • 運行 : move; be in motion; run; working; machine run; operation; corotation; propulsion （影片）
  • 方式 : way; fashion; pattern
  1. The results of the experiment show this creative ac variable frequency speed - governing experiment system can realize the load relationship of direct electromagnetic torque between the motor group, get the continuous control process easily for the reaction load and potential energy load during four quadrant, achieve the total availability of the regenerate energy at any kind of load, and the system consumed power make up under 30 % of actual load power at any kind of load

    該方案研究獲得的實驗結果表明：這種具有創新特色的交流變頻調速實驗系統可實現電動機組之間直接電磁轉矩方式的負載關系，可方便地獲得電動機在反應或位能負載特性下四象限運行的連續控制過程，並實現了任意負載方式下再生能量的全部回饋利用，任意負載下系統消耗功率僅占電動機實際負載功率的30 %以下。
  2. The system is based on chopper constant current drive technique, according to the top level design idea, adopting advanced specical subdivision control integrate circuit and powerful function 80c196kc to organize the system frame, desiging the minimum system of single - chip microcomputer, multifunction i / o interface circuit, relay switch circuit, keyboard and display circuit, multifunction digital setting interface circuit and so on, utilizing the hso and hsi interface circuit which are owned by this single - chip microcomputer exclusively and its powerful command system to realize dual - degree switch control, automation orientation, automatically searching zero position, locking machine when stopping, frequency to set digitally, automatically adjusting speed through changing frequency, swithing subdivision or squarewave control, on the basis of above, the system also have the function of running according to the setting steps and the frequency, voltage and current to display through the led, etc

    系統基於斬波恆流驅動技術，按照頂層設計思想，採用先進的專用細分控制電路和功能強大的80c196kc單片機來組建系統構架，設計了單片機最小系統、多功能i o介面電路、繼電器切換電路、鍵盤顯示電路和多功能數字設定介面電路等，利用該單片機獨有的hso和hsi介面及其強大的指令系統，實現了雙余度混合式步進電動機的余度切換控制、自動定位、零位自動搜索、停機鎖定、數字化頻率設定、自動調頻變速控制、細分方波切換控制，在此基礎上，該系統還設有按預置步運行、 led頻率電壓相電流顯示等功能。
  3. In this paper, according to the equation of voltage vector of single - phase motor operating at symmetrical condition, author presents a new voltage - vector pwm method of variable frequency control for single - phase motor. in system, the voltage vector is used as a control parameter

    本文根據單相電動機對稱運行時的合成電壓矢量方程，提出了以合成電壓矢量為控制量的單相電動機電壓矢量式pwm變頻調速控制方法，並進行了計算機模擬及製作了單相變頻器。
  4. Some valuable conclusions are summarized by theoretical analysis and simulation experiments : from the side of signal processing, pulse jamming can be deleted by the method of time - domain sliding window accumulation and can be restored by interpolative prediction. ; gauss white nose can be attenuated while jamming disperse point - target by the method of time - frequency analysis in time - frequency domain. ; radio frequency noise jamming can be deleted by the method of average range frequency spectrum and notching in frequency domain

    通過大量的理論分析和模擬實驗，得到了一批具有一定價值的結論：從信號處理的角度出發，對于脈沖式干擾，能夠運用時域滑動窗口積累的方法去掉，並且通過預測插值得到較好的恢復；對于高斯白噪聲干擾，在時頻變換域內應用時頻分析方法可減小其對分散點目標的干擾；對于射頻噪聲，通過平均距離頻頻法和頻域陷波的方法可以去掉；從改變合成孔徑雷達系統角度出發，類似雙基地雷達能夠避免各種干擾，對發射信號進行調幅，調相以及改變調頻斜率都是較好的抗干擾方法。
  5. According to the space vector modulation method of the equivalent structure of the ac - dc - ac transformation, the transformation relations of the matrix converter are deeply investigated. the ac - ac direct conversion control and the double - space - vector pwm scheme of the matrix converter are deduced, the four - step current commutation strategy of matrix converter is expatiated, the design method of input filter and over voltage protection circuit is analyzed, and the modeling and simulation of a three - phase matrix converter are implemented

    從等效交-直-交變換的空間矢量調制方法出發，深入分析了矩陣式變頻器的變換關系，導出了交-交直接變換控制規律和雙空間矢量脈寬調制技術，闡述了矩陣式變頻器的換流控制策略，分析了輸入濾波器和過電壓保護電路的設計方法，實現了矩陣式變頻器的建模和運行分析。
  6. After studying the traits and operating characteristic of the repmsm, a speed adjusting scheme combining the in - phase variable - frequency speed adjusting with a speed - closed loop is introduced specially

    本文研究了正弦波永磁同步電動機的特點及其運行特性，確定了以他控式磁通軌跡法變頻調速和轉速閉環調節相結合的調速方案。
  7. With the aid of these blocks, it is convenient and flexible to make up different kind of automatic - controlled simulating system and so to accomplish different kind of automatic adjusting task. this paper is focused on the construction of the simulation model of ccs by using the contrived control section model. the ccs employs advanced direct energy balance control strategy and can simulate different running patterns such as turbine following boiler pattern, boiler following boiler pattern, etc. two independent control loops : power control and frequency control, are used in the contrivance of deh and they are separately corresponding to the normal condition and the abnormal condition

    本文利用開發的控制環節模塊，著重建立了協調控制系統的模擬模型，該協調控制系統採用了先進的直接能量平衡控制策略，並能模擬機跟爐、爐跟機、機爐協調、手動以及定壓和滑壓等運行方式；開發的功頻電液系統模型採用了功率控制和頻率控制兩個獨立的控制迴路，能夠在機組正常運行和啟停時對汽輪機進行控制。
  8. This paper gives us too ways ： one is to adopt a better modulation mechanism, s - cdma, to bate noise jamming. the other way is to implement automatic frequency agility under strong noise, based on the ranging and burst configuration mechanism of current docsis protocol, meanwhile, guaranteeing cmts ' s normal operating. this paper comprehensively analyzes the anti - jamming mechanism of docsis, then presents the specific implementation of the latter method

    如何降低噪聲對網路的危害，本論文指出了兩個方向，其中一個就是在調制體制上下工夫，採用s - cdma體制，通過改變調制方式來主動的抑制噪聲的影響；另一個方向就是基於現在協議提供的抗噪聲干擾的機制，充分挖掘測距機制和靈活的突發配置機制的抗干擾潛力，以不影響頭端設備的正常運行為前提，以它們為基礎實現能自動避開強噪聲干擾的頻率轉移。
  9. Then on one hand, author makes researches of anti - jamming against pulse jamming 、 gauss white noise jamming and radio frequency noise jamming from the side of signal processing. author exercises much signal processing knowledge of time - domain sliding window accumulation 、 wavelet analysis 、 time - frequency analysis and linear prediction and carries out many simulation experiments. on the other hand, author proposes the anti - jamming methods of using a sar similar to double - base radar and modulating the amplitude 、 the phase of emission signal and changing the frequency modulation slope from the side of changing sar system model

    作者首先提出了合成孔徑雷達抗干擾的定義、分類以及評價抗干擾方法好壞的主客觀標準；然後，一方面從信號處理的角度出發對脈沖式干擾、高斯白噪聲干擾以及射頻噪聲干擾進行了抗干擾研究，其中運用了時域滑動窗口積累，小波分析，時頻分析以及線性預測等信號處理知識，做了大量的模擬實驗；另一方面，本文基於改變合成孔徑雷達系統模式提出了利用類似雙基地雷達來抗干擾，以及對發射信號進行調幅、調相以及改變調頻斜率來抗干擾，同樣做了相應的模擬實驗。
  10. Following this conclusion, various kind of ac speed control rules have been analyzed with the favor given to the self - controlled frequency regulation drive. machine model for doubly fed power generation has been given and control equations are discussed

    其次，借鑒各種交流調速方法，研究電機雙饋發電運行的模型和控制手段，採用自控式調頻，提出了繞線轉子雙饋發電機的矢量控制策略。
  11. Analyses the related problems in application of variable frequency pumps, including the characteristics of variable frequency pump, the control range of minimum rotational speed, the energy saving effect of different control strategies and the control of parallel connection work of variable frequency pump and constant speed pump

    摘要分析了變頻調速水泵應用中的相關問題，包括變頻泵的特性、最小轉速的控制范圍、不同控制方式的節能效果、變頻泵與定速泵並聯運行時的控制等。
  12. It governs the speed, the operating mode and power output of hydraulic turbine. its performance exerts important influence on the quality of electric energy and operational reliability of the hydro power plants

    它調節發電機頻率、運行方式以及水輪機功率的輸出，其性能的好壞直接影響著電能品質和水電站的安全運行。
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