frequency adjustment 中文意思是什麼

frequency adjustment 解釋
頻率調整
  • frequency : n. 1. 屢次,頻仍,頻繁。2. (脈搏等的)次數,出現率;頻度;【物理學】頻率,周率。
  • adjustment : n. 1. 調整;調節(裝置);校正。2. 調節。3. (賠償損失的)清算。
  1. 7. the sub - committee noted an information paper on the seasonal adjustment of hong kong s monetary statistics, using special high - frequency filtering to take account of increased currency holdings in the chinese new year season and an adjustment for the increase in cash demand associated with y2k as well as increases in demand deposits due to initial public offers ipos, in addition to conventional techniques

    委員會獲悉一份有關香港貨幣統計數字的季節性調整的資料文件,除了一般慣用的方法外,有關調整亦運用了特別的高頻過濾法,以計及農歷新年期間公眾增持貨幣的情況,並就因電腦公元二千年問題的現金需求增加及活期存款因首次公開招股的增加而作出調整。
  2. However, the farther analysis in the paper indicates that the strategy of parameter configuration in current connection pool technique is static state with 1 - order enactment while initializes connection pool without self - optimized adjustment according as the variety of application demand, the operation results of high use frequency database are not cached and users visit the same database independently. the multi - propose connection strategy cannot control the database operation for the same transaction and cannot ensure the acid attribute, etc. in according with the defections mentioned above, the service technique of self - optimized connection pool is presented in this paper and the composing structure for self - optimized connection pool is designed, then, some strategy in dynamic parameters adjustment, transaction management and data cache for connection pool is improved

    然而,通過本文的研究分析,現有數據庫連接池技術的參數配置策略是靜態的,連接池初始化時進行一次設定,不能根據應用需求的變化而動態調整;連接池的核心管理機制中,沒有對使用頻率較高的數據庫操作結果進行緩存,多個用戶依然各自獨立地完成相同的數據庫訪問;使用的連接復用策略無法控制屬于同一個事務的多個數據庫操作,不能保證事務的acid屬性等。
  3. 3. with comprehensive improvement of transponder including structural adjustment to lna ; optimization of ( phase locked loop ) pll filter ; structural adjustment to the transmitter and phase error adjustment to the intermediate frequency demodulation circuit, we have successfully enhanced sensitivity, expanded dynamic range, increased transmitting power and improved the spectrum purity ; decreased capture time for pll ; improved the signal quality after demodulation ; reduced its volume and power consumption. 4

    3 、對通信機的全面改進,包括lna結構的調整、鎖相環環路濾波器的優化、發射部分結構的調整以及中頻解調電路的相差調整,提高了系統的接收靈敏度、改善了本振的頻譜純度、減少了鎖相環的鎖定時間、使中頻解調后的信號質量大為提高,同時還減少了體積、節約了系統的功耗。
  4. It adopts speed - adjusted system through frequency conversion, which can realize non - pole speed adjustment

    採用變頻調速系統,可實現不停機無級調速。
  5. Adopts full frequency conversion speed adjustment , operate and maintain conveniently , stably performance

    全變頻器無級調速,設計科學合理,操作維護方便,性能穩定。
  6. It mainly include theory introduction and development status of container crane ' s electrical control speed adjustment system, technical advantages of full frequency control speed adjustment system, and the usage condition of large - size container crane ' s electrical control system by our national port machinery industry, represented by shanghai port machinery plant. the third chapter of this article introduces the choosing methods of crane electrical transmission schemes, comparison of common used electrical speed adjustment schemes, the application of the frequency control speed adjustment on port machines, etc. the fourth chapter of this article gives an investigation about the principle and implement method of on - vehicle and remote management system on large - size container crane

    主要包括集裝箱起重機電控調速系統的原理簡介以及發展狀況、全變頻調速系統的技術優勢、以及以上海港口機械製造廠為代表的我國港口機械行業在大型集裝箱起重機電控系統的使用情況;本文的第三章重點介紹了起重機電氣傳動方案的選擇方法、常用電氣調速方案的比較、變頻調速在港口起重機上的應用等。
  7. The common path defocusing 4f shearing interferometer in the system was constructed, which is fit for the dense plasma measurement. the advantages of this system consist in its stability and easy adjustment as the common path system and respective adjustability of shearing amount and stripe spatial frequency as m - z interferometer as well

    設計了基於共光路結構的離焦4f剪切差分干涉儀,該干涉儀同時具有m - z型干涉儀的剪切量和條紋空間頻率分別可調的優點以及共光路結構的穩定性和易於調節的優點,使得在稠密等離子體的測量中,系統參數可以兼顧小的剪切量和大的條紋空間頻率。
  8. 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。
  9. Abstract : the hail proof communication network is severely disturbed by the same frequency and additional distortion of the co - adjustment which affects the sufficient work of the system

    文摘:目前防雹通信網路受到嚴重的同頻干擾以及附帶的互調失真,已經成為影響該系統有效工作的一大難題。
  10. Use dot arithmetic of high precision, dots of frequency adjustment are fine

    採用高精密度網點演算法,調頻網點細膩精美。
  11. Frequency - changing motor allows for free adjustment of stirring speed. stainless steel structure will never damage

    攪拌馬達具有變頻裝置,攪拌速率可任意作調整。
  12. Electrical parameter includes voltage, current, power, frequency, power factor, and so on. the adjustment system of electrical network needs many panel instruments that can show the electrical parameter, such as voltage, current, power, cycle etc. tjsually these instrument is not accurate, wastes manpower resource, and the management of the data is inconvenient and easy to mistake. recently the development of micro - electronics technology and the advent of slsi. especially the advent of singlechip, lead to a new revolution in the field of instrument

    電工參數一般包括電壓、電流、功率、頻率、功率因數等。在電網調度自動化的設備中需要配置多隻測量顯示上述電工參數的鑲嵌式面板表,如電壓表、電流表、功率表等等,其一般均為指針式面板表,精度低,可視距離近,數據需要人工抄錄,浪費人力資源,數據管理不便,容易出錯。
  13. The present study aims to examine : ( 1 ) the general characteristic of bully / victim problem in primary and junior middle school ; ( 2 ) how children school behavior, peer relationship, self - esteem, loneliness, depression, anxiety vary across gender, grade, bully / victim status ; ( 3 ) how well can the frequency and duration of bullying / victimization predict children ' s school adjustment and mental health. date were collected via a questionnaire battery and social competence scale. the participants were 827 students from grade 3, 5, 7, 9 in the four primary and junior middle schools

    本研究探討的主要問題包括中小學欺負發生的基本特點,不同性別、年級、欺負受欺負地位兒童的學校行為、同伴關系、自尊、孤獨、壓抑、焦慮等各方面的特點,兒童欺負受欺負頻次及持續時間對兒童的學校行為、同伴關系、自尊及心理健康狀況的影響,本研究採用分層整群抽樣法,用問卷法( olwues欺負問卷、自尊問卷、焦慮量表、壓抑量表、孤獨量表)和社會測量法(班級戲劇、同伴提名)對827名中小學生(包括小學三、五年級和初中一、三年級)進行了調查。
  14. The method not only can coordinate evolutionary process inside each population by using an adaptive regulation of crossover and mutation operators, but also can advance the formation of - best design by using adaptive adjustment of the competition frequency between populations

    該方法不僅運用交叉運算元和變異運算元的自適應調節技術協調種內進化過程,而且通過種間競爭頻率的自適應調節促進最優個體的生成。
  15. In case of absence of a precision external reference, the ocxo frequency adjustment is carried out by means of the p1 potentiometer

    萬一一個精密度的外部參數預設, ocxo頻率調整依靠p1電位計來實行。
  16. In order to reduce access frequency to the ntp time server, and efficiently relieve the over - load situation of server. a time synchronization algorithm based on frequency adjustment in distributed system was proposed. under the same accuracy requirement,

    為了降低internet上對ntp時間服務器的訪問頻率,有效緩解時間服務器資源負擔過重的狀況,提出了一套適用於分散式系統的基於頻率調節的時間同步演算法。
  17. ( 2 ) the major circuit has been established, composed of rectifier 、 buck - chopper 、 push - pull inverter and matching network, which realizes high - power supersonic ac output. to achieve maximal output power, the pulse frequency modulation ( pfm ) has been applied to auto - adjustment of output frequency, which corresponds to the load ' s resonant frequency

    ( 2 )建立了超聲電源主電路,其中包括:整流、直流斬波、推挽逆變器和匹配網路等部分,實現了大功率超聲頻交流電的輸出,輸出頻率的脈頻調制( pfm )和輸出功率的脈寬調制( pwm ) 。
  18. 5. automatic frequency adjustment function dynamically adjusted according to the words most frequently used words indicate the order, the order that intelligent, enhanced efficiency of the word

    5 .自動詞頻調整功能,根據詞語使用頻率動態調整詞語顯示順序,同時結合智能詞序修正,提高選字效率。
  19. Design and implementation of time synchronization algorithm based on frequency adjustment in distributed system

    基於超節點的結構化p2p路由演算法的研究
  20. Analysis on air valve movement characteristic in low frequency adjustment in the piston air compressor

    活塞式空氣壓縮機低頻調速時的氣閥運行特性分析
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