circuit requirement 中文意思是什麼

circuit requirement 解釋
電路要求
  • circuit : n 1 (某一范圍的)周邊一圈;巡迴,周遊;巡迴路線[區域];迂路。2 巡迴審判(區);巡迴律師會。3 【...
  • requirement : n. 1. 要求,需要。2. 要求物,必需品;需要量;必要條件,資格 (for)。
  1. With the stringent requirement of low output voltage and high output current, semiconductor diode is necessarily replaced by synchronous rectifier to minimum voltage drop. because the existed driving schemes can not drive srs properly, two novel driving schemes for synchronous rectifiers in magnetic amplifier post regulating circuit are proposed in this paper

    已有的同步整流管驅動電路主要面對多路輸出的主輸出電路,而應用磁放大器調節的輔助輸出電路同步整流管的驅動,現有的方法存在磁放大器調節與同步整流管驅動的失配,降低了開關電源的效率。
  2. Under the condition of meeting the power supply requirement, the relationship is analyzed between the traction transformer capacity and voltage loss of variant parts as well as the short - circuit capacity of the power system

    在滿足供電要求的情況下,計算分析了牽引變壓器容量與各部分電壓損失、電力系統短路容量的關系。
  3. The synthetic circuit is also simulated about normal working, green mode working and so on ; the results of simulation meet the function requirement

    在整體電路模擬中對正常工作、輕負載綠色模式過程等進行了驗證與分析,模擬結果表明該集成電路滿足設計要求。
  4. 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技術對濾波系統的要求,根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路; ( 3 )用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路,構造出低壓電力線載波通信系統,並採用atmel公司的單片機設計了接收和發射電路的微控制器; ( 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。
  5. Thirdly, the relative theories of the limiter and rectifier are studied. in order to make the passive responder work stably under the conditions of large dynamic range of the receiving power and the high efficiency requirement, a two - stage limiter circuit and a voltage - doubler rectifier circuit with several diodes parallel are developed

    3 ,對應答器地面裝置中的能量轉換電路進行了研究,針對應答器地面裝置接收到的載波功率具有大動態范圍的特點以及系統能量轉換的高效率要求,設計了一種兩級級聯二極體限幅電路和多管並聯的倍壓整流電路。
  6. Secondly, the thesis designs a kind of scheme of simulcast base station and center base station. and the requisite requirement and chip are introduced here, and the most important controller is atmega128, the avr microcontrollers of atmel corporation. the other roles are played by voice processing circuit, simulcast broadcasting station, data transmission broadcasting station, link transmitter - receiver and gps module etc. and some theory is introduced here, which includes a / d conversion and correct code

    然後,給出了一種同播基站和中心基站子系統的設計方案並簡要說明了所使用的各種設備和晶元,其中最主要的基站控制器由atmel公司的avr單片機atmega128來完成,其它的還包括語音處理電路、同播電臺、數傳電臺、鏈路機、 gps模塊等,並介紹了相關的理論知識,包括a / d轉換,糾錯編碼等。
  7. Combined with the orcad pspice software, it also simulates the clock pulse circuits and relay circuits on the motherboard. the simulation results can satisfy the requirement of the circuit design

    並對母板上的時鐘脈沖電路、繼電器電路應用orcadpspice進行了模擬模擬,模擬結果符合電路設計要求。
  8. With the quick development of the space navigation in 1990s, there has a higher requirement to the electronic pulse measure circuit of time interval which is the key component of the distance measure instruments

    90年代以來,隨著我國宇航事業的高速發展,人們對測距儀的核心部件? ?電脈沖時間間隔測定器的要求越來越高。
  9. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有:不需使用乘法器進行信號調制,調制信號採用與電網電壓同步的優化特定脈沖,其檢測精度只與同步相位有關,而與電網電壓幅值無關;降低了對輸入低通濾波器的通頻帶要求,直流和偶次諧波分量對檢測精度沒有影響;突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  10. Each masterpact mw circuit breaker itself conforms to requirement of isolated switch, so save the cost and space of mounting isolated equipment for the power distribution system

    每一臺mw斷路器本身符合隔離開關的要求。為配電系統省去了安裝隔離裝置的費用和空間。
  11. There is difference frequency measurement requirement for every part of pid regulating, difference between dynamic quality and static quality in response time and accuracy. according to these, it use the interrupt functions and high - speed counter of the simens s7 - 200 plc cpu226 basic unit and some peripheral circuit to measure frequency ; in software designed, the procedure frame of hydraulic - turbine governor and disperse process of parallel pid are analyzed, an improved pid algorithm is adopted to realize a pid regulation mode with variable structure and parameters ; the mechanical liquid - pressure system of the hydraulic - turbine governor is with electric - hydraulic converter unit of step motor. according to the drive character of five phase of response step motor, a variable frequency regulated voltage driver unit is designed in order to realize interface between plc and driver of step motor

    本文利用s7 - 200plc自身的特點設計了頻率測量單元,根據pid調節各個環節的特點,以及調速器動態特性、靜態特性對頻率測量的實時性和精度要求的不同,利用s7 - 200plc基本單元中內置的高速計數器以及相應的外圍放大整形、分頻電路,實現了水輪發電機組頻率的測量;在軟體上,對微機調速器的整個程序框架、並聯pid的離散化過程進行了分析,選用改進的pid演算法實現了變參數、變結構的pid調節模式;調速器的機械液壓隨動系統具有步進電機電液轉換元件,採用五相反應式步進電機,根據其驅動特性設計了變頻調壓驅動器,實現plc與步進電機驅動器之間數字介面。
  12. At last, two types mode ( ccm and dcm ) of the synthetic circuit is emulated. the results of emulation meet the function requirement

    最後還對晶元的不同外圍電路下的兩種工作模式(有補償電路和無補償電路)做了模擬對比。
  13. Hardware circuit is designed. at the same time software is developed and optimized. it is testified that this move - control - system achieves the requirement for high resolution ( resistance trimming error is + 0. 1 % ) and high speed ( 55 resistances per second ) of laser - resistance - trimmer

    結果表明,該運動控制系統很好地實現了對激光調阻機高精度(調阻誤差為0 . 1 )和超高速度(調阻速率為55隻/秒)的要求。
  14. Hardware research focuses on interface circuit including simulating sensor simulating actuator and monitoring power. software design consists of data collection commutating software graphics interface and data processing. the project can meet the requirement for engineering application through primary testing

    其硬體研究主要是介面電路設計,包括發動機傳感器信號模擬、執行機構信號模擬、激勵電源監測;軟體研究包括數據採集軟體、網路通訊軟體、人機交互界面和數據處理軟體設計。
  15. Parallel structure of poly - phase decomposition and parallel mixer is applied in the ddc circuit, it solves the bottleneck in mixing and increases the handle speed. the partition of the tuning channel according to the digital mixing sequence, and the ddc by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal. according to the structure of the ddc and the requirement of the frequency

    短數據快速測頻演算法的具體實現:使用并行流水線的設計方法,提高了系統的數據吞吐率,在100mhz的系統時鐘下,能夠實時處理400mhz ~ 600mhz速率a / d采樣的數據,在64點采樣, 100mhz系統時鐘情況下,初次測頻佔用時間640ns ,以後每次測頻佔用時間縮短到160ns ,實時地提供多相濾波下變頻所需的載頻位置信息,縮短了接收機的調諧時間。
  16. It ought to be compatible with low - voltage circuit process and satisfy requirement of high - voltage and large current this paper deeply discusses threshold voltage, on - resistance and current characteristic of ldmos, and builds the approximately accurate model of these electrical parameters

    本文討論的ldmos結構是pdp選址驅動晶元設計的一個關鍵問題,該結構實現了與低壓電路工藝的兼容,並滿足耐壓高、電流大的實際需要。
  17. It is easy for operation and maintenance. can meet the requirement of circuit redeploy and business exchange

    維護使用方便,能靈活地實現電路調線和業務變更的需要。
  18. The whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of spwm and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the synthesizable and reusable code. the functional stimulation uses the nc - verilog of cadence

    系統設計是基於spwm的實現演算法和設計指標要求,對系統劃分模塊和對各個模塊進行信號連接;模塊設計是設計每個模塊內部電路結構,並用verilog語言編寫可綜合可復用代碼;功能模擬使用的工具是cadence的nc _ verilog ,首先對每個模塊進行功能模擬,模擬通過之後,把所有模塊代碼組合在一起,構成整個系統代碼,在外部輸入埠加激勵,對整個系統進行功能模擬。
  19. The main process includes following : system design, module design, function simulation, time simulation and hardware verification. the whole system is divided into several modules and each module is connected by signals, which based on the arithmetic of uart and the requirement of design. the module design is to design inner circuit structure of each module and uses verilog language to code the code

    系統設計是基於uart的實現演算法和設計指標要求,對系統劃分模塊以及各個模塊的信號連接;模塊設計是設計出每個模塊的功能,並用verilog一hdl語言編寫代碼來實現模塊功能;功能模擬和時序模擬使用的工具是以dence的nc _ veri109 ,首先對系統的每個模塊進行功能和時序模擬,模擬通過之後,將整個系統的代碼在外部的輸入埠加上激勵,對整個系統進行功能和時序模擬;硬體驗證是用fpga對系統進行了功能驗證。
  20. Based on existing device, the disturbance was decreased by adopting the new type of trap filter circuit and differential amplifier circuit, the measuring signal met the requirement in the end

    作者立足於現有器件,通過設計的新型陷波電路和信號差動放大電路,減小了干擾信號對測量的影響,使得測量信號達到良好的效果。
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