頻率調節器 的英文怎麼說
中文拼音 [bīnlǜdiàojiéqì]
頻率調節器
英文
frequency regulator- 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...
- 率 : 率名詞(比值) rate; ratio; proportion
- 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...
- 節 : 節構詞成分。
- 器 : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
- 頻率 : frequency; rate
- 調節器 : regulator; adjuster; governor; controller; conditioner; actuator; phaser
- 調節 : regulate; adjust; monitor; measure; take care of; condition; regulation; adjustment; conditioning...
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The core instrument for frequency - following is the pll. the dsp is used to realize the regulating of the dead time on - line
用鎖相環作為頻率跟蹤的核心器件,根據最佳死區的理論,用dsp實現死區的在線調節。Supervisor point is behind the postposition of power amplifier, optic signals coming from a tap of 99 : 1 enter into optic spectrum scan module, then the power levels which have been calculated by iterative algorithmic are sent to power control module to guide a set of tunable electronic attenuators
此方案將監測點放在後置功率放大器的後面,從分束器中分出99 : 1的光進入光頻譜掃描模塊,傳給功率控制模塊的光功率值經過選代演算法后計算出均衡后的功率值送到功率控制模塊的控制中心去調節電可調節衰減器。Methods of measurement for radio equipment used in satellite earth stations - part 2 : measurements for sub - systems - section seven - frequency modulators - section eight - frequency demodulators
衛星通信地球站無線電設備測量方法第2部分:分系統測量第7節:頻率調制器第8節:頻率解調器This paper select the series - resonant inverter because it is more suited to high frequency power supply and it will be easy to enhance power capacity and enable the power supply to work on higher frequency if power is regulated in the rectifier. so uncontrolled rectifier and buck chopper constitute dc circuit is selected as rectifier circuit
並分析了感應加熱電源的各種調功方式,在對比幾種功率調節方式的基礎上,得出在整流側調功有利於高頻感應加熱電源頻率和功率的提高,選擇了不控整流加斬波器調壓作為研究對象。( 8 ) by studying match between the electronic system and catalytic converter on the base of electronic controlled bypassing air system, conclusions having been gotten as follows : higher conversion efficiency of emission have gotten when a / f fluctuates at definite scope and frequency, by controlling the comparing voltage of 02 sensor, the working scope of catalytic converter can be controlled and the matching that can fulfill the high efficiency of hc, co, nox at same time has been optimized
( 8 )進行基於所開發的電控補氣系統上的催化器與電控系統的匹配研究,當控制系統調節空燃比在一定范圍按照一定頻率進行波動時,可以提高催化轉化器的轉化效率;通過控制氧傳感器的比較電壓,可以控制催化轉化器的工作窗口,實現排放污染物中, hc 、 co 、 nox轉化的最優匹配。Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm
接著,專門利用一個章節闡述了dvb - c前端調制系統原理,他們了差錯控制技術、多進制調制( mqam ) 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括(整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現) 、分散式演算法、 cic濾波器、直接數字頻率合成( dds ) 、 cordic演算法。By regulating the compensation current injecting into the compensation winding of the reactor, the reactor inductance at different harmonic frequencies can be independently and continuously adjusted
有源電抗器由一對耦合繞組和一個補償電流發生器組成,通過控制有源電抗器補償繞組中的諧波磁通補償電流,可以獨立且連續地調節電抗器在不同諧波頻率下的電感量。This paper studies the variable - voltage energy saving theory and its implementation for asynchronous motor with light load, compares several kinds of scheme of improving efficiency in detail and confirms the variable - voltage energy saving method, that is adjusting the input voltage by detecting the iron loss and copper loss of motor directly. in addition, the directness *, simpleness and availability of the method are verified by the emulational experimental results with simulink of the matlab. the circuit of the general inverter based on the tms320f240 dsp was used in this paper, and the practicable program was compiled
本文分析了異步電動機輕載時降壓節能運行的原理,對幾種提高效率的方案進行了比較,確定了通過直接檢測電動機鐵損和銅損來實時調節輸入電壓以達到高效節能目的的控制方法,應用matlab軟體對系統進行模擬,在基於tms320f240dsp的通用型變頻器上編制了實用化的程序,形成了完整的樣機,對其進行了測試,並給出了試驗結果。Adjusting digital potentiometer in controlling circuits of sps and capacitor charging and discharging circuit separately with industry control computer ( icc ), the peak value and repeat frequency of output pulse can be adjusted separately. controlling relays to choose different capacitors with icc, the width of output pulse can be adjusted
利用工控機分別調節開關式穩壓電源控制電路和電容充放電控制電路中的數字電位器,就能分別調節輸出陡脈沖的幅值和重復頻率;利用工控機控制繼電器選擇不同的充放電電容,就能調節輸出陡脈沖的脈寬。The interface utilizes the high - speed pu lse function of plc basic unit to realize the control frequency of pulse, pwm regulate voltage and to make use of drivers of step motor control step motor
利用plc主機模塊的高速脈沖輸出功能,控制脈沖頻率的發生、 pwm脈寬電壓的調節,並通過步進電機驅動器實現對步進電機高效控制。To tune up the frequency of power supply by the transducer in the system, this adjusting make the speed of electromotor and performance curve of pump change. at last, it make the status of a pump alter
在變頻調速恆壓供水系統中,單臺水泵工況的調節是通過變頻器來改變電源的頻率f來改變電機的轉速n ,從而改變水泵性能曲線得以實現的。In this paper, a new control strategy based on the adaptive deadbeat voltage space vector is presented. this control scheme has a lower sample frequency and a smaller difference between switch frequency and sample frequency. it has many advantages, such as producing zero vectors organically, tracing exactly, non - shaking, etc. and its dynamic response is better
對于電能質量調節器來講, pwm跟隨指令參考信號的控制性能在很大程度上影響著裝置的補償效果,本文選擇無差拍電壓空間矢量控制為系統控制策略,這種控制方法具有采樣頻率低,開關頻率與采樣頻率的差距小,能有機地產主零矢量、跟蹤精確以及無抖振等優點,動態響應快。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。It " s very necessary to design and utilize the drive circuit of high frequency power mosfet, power regulation circuit and frequency - tracing circuit as three very important parts in control system of induction heating power supply. all those provide some experience for the designing and debugging of electrical source, reducing the cost and advancing efficiency
本課題就是基於這種需要,研究高頻( 1mhz 3mhz )情況下採用功率mosfet為主開關器件的串聯逆變電源的頻率跟蹤控制電路,因此高頻情況下功率mosfet的驅動電路、頻率跟蹤電路以及功率調節電路等成為主要的研究對象,這些為以後電源裝置的設計調試、減少器件成本及提高工作效率提供良好的前期準備。The auxiliary products for auto electric appliances include : application - specific integrated circuit for auto and motorcycle flashers, application - specific integrated circuit for wiper intermittent relays, transistors for auto acoustics, power darlington transistors for auto generator voltage regulators, power darlington transistors for auto ignition systems, high frequency transistors for auto remote controllers, regular parts for auto electric appliances, chips of semi conductor etc
產品有:汽車和摩托車閃光器專用集成電路,汽車雨刮間歇繼電器專用集成電路,汽車電壓調節器用功率達林頓管,汽車點火器系統用功率達林頓管,汽車遙控器用高頻管,半導體晶元等。It makes hydraulic turbine running with peak efficiency all the time. the governor is designed with model structure. closed - loop start - up strategy is applied during running and it realizes three adjust mode - frequency, wicket gate and power
調速器採用模塊結構進行設計,在調節過程中實現了閉環開機控制策略,並可在頻率調節、開度調節、功率調節三種調節模式之間自動或手動無擾動切換。Hydroelectric generating set has two type governing equipment. one is electro - hydraulic governor of turbine which can adjust frequency ( active power ) the other is excitation governor of generator which can adjust voltage ( reactive power ). they work together for meeting the requirements of the voltage and frequency that the electrical power system brings forward to
水輪發電機組的調節裝置主要有水輪機調速器和發電機勵磁調節器,這兩套調節裝置分別負責電能有功(頻率)及無功(電壓)的調節,以滿足電力系統對電能的頻率及電壓的質量要求。Each module is controlled by voltage - current two closed - loops. the common voltage loop controls system output voltage & frequency, and generates a common reference current signal
每臺航空靜止變流器模塊均為電壓、電流雙環控制,通過公用電壓調節器穩定並聯系統的輸出電壓及頻率,同時產生統一的模塊電流給定信號。Then adjust the parameters of gabor filter using the orientation and average ridge frequency at each pixel to realize adaptive filtering. the unrecoverable region is segmented based on orientation certainty. experimental results show a very good visual enhancement effect
求出每個象素點處的紋線方向和方向一致性,以及紋線的平均頻率,用方向和平均頻率調節gabor濾波器對每個象素點進行自適應濾波,並利用方向一致性分割出不可恢復區域,實驗表明具有很好的增強視覺效果。Methods of measurement for radio equipment used in satellite earth sations. part 2 : measurements for sub - systems. section five : frequency modulators
衛星地面站用無線電設備的測量方法.第2部分:分系統的測量.第5節:頻率調制器分享友人