current analog 中文意思是什麼
current analog
解釋
電流模擬設備-
As a mix - mode chip, the application - specific controller including analog signal and digital signal processing block can be applied to receiving, amplifying, processing, controlling signals of pir, and offer a wide application in some fields. in analog circuits, by sub - threshold mosfet, a self - bias current source is presented, which has a high power supply restrain ratio and a complementary to absolute temperature characters
這款晶元是一款數模混合晶元，包括模擬信號處理（含模數介面模塊）和數字信號處理兩大模塊，完整實現對紅外信號的接收、放大、處理、控制，產生有效數字電平驅動繼電器、可控硅等負載，應用於自動燈等多種場合。 -
At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。 -
Since low voltnge, low power cmos analogy circuit and current - mode analogy integrated circuit have so many advaotages, it has become most appealing for vlsi t6chnique theorotical scholar and design engineel filter is an important unit of analog integrated circuit, whose structue construction and design method can estend to the design of large scale " ana1og integrated circuit.
低電壓、低功率cmos模擬電路與電流模式集成電路由於具有諸多的優點而成為當前vlsi技術理論工作者和設計工程師所關注的熱點。模擬濾波器作為模擬集成電路的重要單元，其結構生成方法和電路設計方法可推廣至大規模集成電路設計，具有重要的參考價值和實際應用價值。 -
It is not possible to join the two pins within the ic package because the analog part of the converter cannot tolerate the voltage resulting from the digital current flowing in the bond wire to the chip
（過去）無法在晶元內部將二者連接的原因是數字電流流經內部引線電阻產生過大的電壓，晶元的模擬部分無法承受。 -
Among the many testing methods of analog and mixed signal circuits booming up in recent years, the pseudorandom testing technique is easier to generate testing stimuli and the current - based testing method could magnify the response differences between fault - free circuits and faulty circuits
近年來提出的很多種模擬及混合信號電路測試方法中，偽隨機測試法易於產生測試激勵，基於電流的測試法能使正常電路和故障電路的頻率響應的差別增大。 -
The simulation results show that the total current of the analog circuit is 160ua, which is 10 percent lower than other similar products
模擬表明，模擬電路的總電流為160ua 。晶元的工作電流比市場上現有的晶元低10 。 -
The main circuit is consisted of 18 thyristors circuit and protection circuit. with the help of control subsystem, it can get the output of low frequency voltage ( current ) with the shape of sine wave ; the core of the control subsystem is the cpu of 87c196kc, and the synchronization circuit, the pulse - widen circuit, and the power - enlarged circuit form the accessorial subsystem of the control system. it possesses all the functions of digital triggering, digital tuning, analog / digital conversion ; the input transfer can isolate the input and output ; and the circumfluence reactor can reduce the circumfluence
主迴路採用由18個晶閘管組成的三相零式電路，並輔以晶閘管的保護電路，通過控制可以得到低頻正弦波的電壓（電流）輸出；控制迴路主要以87c196kccpu為核心，其外圍電路包括同步電路，脈沖拓寬電路，功率放大驅動電路等，完成了數字觸發、數字調節、模數轉換等功能；進線電源變壓器具有變壓和隔離作用；環流電抗器則實現了有效抑制主迴路瞬時脈動環流的功能。 -
The design of high - voltage circuit based on pwm technology is briefly described. the closed - loop current control theory using analog instruments is fully discussed, followed which is that using digital instruments. it is an important part that the hardware and software design of the single chip - two arms and two chips - two arms current control circuits with a new chip applicable to digital current control system
簡單介紹了基於開關電源技術的高壓電路設計；詳細講述了模擬穩流電源的閉環穩流原理，並在此基礎上討論了利用數字電路實現穩流的原理及可能性；選擇出適合數字穩流系統的新型晶元，完成了單片雙路穩流系統、雙片雙路穩流系統的軟硬體設計；給出了一種簡單易實現的比例?積分控製程序。 -
This system equips material movement transducer on feeding equipment ; meanwhile, it measures main current of double disk cooler ; the former inputs plc switching value ; the latter inputs analog quantity to judge material condition of double disk for avoiding no material or few material but much water feeding
該系統在加料設備上加裝自行研製的物料移動傳感器，同時檢測雙盤冷卻器的主電機電流，前者輸入plc開關量採集模塊，後者輸入plc的模擬量採集模塊，用以判斷雙盤內的物料存留情況，避免無料或料少時水的過分加入。 -
The spice simulation confirms the attractive properties of the proposed circuits. the simulative circuits of active network elements, analog signal operation and inductors based on current conveyors are systematically researched. a new active floating inductor is proposed
系統地研究了電流傳送器在有源網路元件模擬、模擬信號運算和電感模擬電路中的應用，提出了一種基於電流傳送器的新型模擬浮地電感。 -
This paper describes a genaral introduction on digital - analog converter study of domestic and aboard, analysis of d / a converter principle and structures, and the analyses of different converting type such as current converting and voltage converting. a monolithic current - output converter is presented
本文較為全面的介紹了數字/模擬轉換器（ d / a轉換器）的國內外動態，分析了d / a轉換器的基本原理和結構，對電流轉換和電壓轉換d / a轉換器進行了較為詳細的分析。 -
To accept the current signal from high negative voltage circuit, the analog ground is raised to a certain positive voltage, which makes it possible for the signal amplitude to be compressed at the same time of its polarity reversion. a pi control program special for laser gyro current control is brought forward according to the conventional pid control method, in which the control signal is figured out corresponding to the difference between the sample and the reference value by turn of proportion - short step integral - long step integral. and at the end of this paper, a comparison of system performance on different conditions is made and the key elements influencing system performance are educed
利用集成a / d 、 d / a轉換器的新型晶元aduc824 ，實現了電流（電壓）采樣?數據處理?電流控制的閉環控制結構；地電位的抬升解決了a / d轉換器對負高壓迴路電流采樣時的輸入范圍匹配問題；控制信號反相的同時進行幅度壓縮，使得輸出調整電壓的解析度提高；根據常規的比例?積分?微分（ pid ）調節模型，針對陀螺系統的特性，給出了一種可以滿足系統要求、據采樣值偏差大小進行的比例?大步長積分?小步長積分、分層次比例?積分演算法；不同條件下系統穩流性能的對比、分析在論文最後給出，並據此找出了決定該系統穩流精度的關鍵因素，提出了系統的改進意見。 -
For the measurement of analog signals such as voltage and current of astg, a filter card for pre - disposing is designed, in order to improve real - time performance, algorithms for ac analog sampling is simplified, and a compensation algorithms for phase error due to sequence - sampling is brought forward. for the measurement of impulse - width signals such as rotor - speed and rotor - position - angle, an intelligent interface card based on isa bus is designed. all programs for measure and control based on c + + are compiled and debugged and the flow for system debugging is summarized
為了提高實時性，對交流采樣演算法進行了簡化，並提出了由於非同步順序采樣所造成的相位誤差的補償演算法；針對轉速、轉子位置角等脈沖寬度信號的測量，深入分析了測量原理，設計了基於isa總線的智能介面卡；編制和調試了基於c + +的全部測量控製程序；完成了整個系統的調試，並總結了調試方法。 -
Standard for analog inputs to protective relays from electronic voltage and current transducers
保護電壓和電流傳感器中繼電器的模擬輸入標準 -
The amplitude discrimination circuit, the filter circuit and the amplifying circuit are designed to transform ac analog signal that the eddy current sensor output to dc analog signal, thus, the dc analog signal can be received by ad converter
傳感器輸出的測量信號是中頻的交流模擬信號，在下位機系統設計了鑒幅、濾波、放大電路將測量信號轉化為模數轉換器可以接受的直流信號。 -
When the embedded system works independently, the dsp controls the interface and performances the algorithms while the analog part implements v / i converting, constant current output and feedback stage
下位機獨立工作時，由dsp控制所有的介面和演算法執行；模擬部分負責完成恆幅正弦電流輸出的驅動和信號的反饋。 -
The experiment result shows that the current control system based on analog component has many strong points, such as simple structure, short stability time, high current stability, good temperature performance, and wide input voltage range etc. long - term instability of single - arm current is less than 1 10 - 3, and subtraction instability of two - arm current is less than 2. 2 10 - 5, which satisfies the request of high precision current control power supply for north - finder based on rlg
實驗結果表明，由模擬器件構成的穩流系統具有結構簡單、瞬間即可穩住電流、電流穩定度高、溫度性能好、輸入電壓范圍寬等特點，單臂電流長期穩定度優於1 10 - 3 ，兩臂電流差值穩定度達到2 . 2 10 - 5 ，基本滿足了激光陀螺尋北儀中穩流電源的要求。 -
Analog inputs to protective relays from electronic voltage and current transducers
電子電壓和電流轉換器的保護繼電器的模擬輸入 -
Then the author has also accomplished the high speed data acquisition of ignition voltage and ignition current by adopting the high speed analog to digital conversion device and the first in and first out memory device ( fifo )
採用高速a / d轉換器和先進先出存儲器（ fifo ） ，有效地實現了高速數據採集，實現了對點火電壓、點火電流的採集。 -
Abstract : a noise model for the analog correlator used in the ultra wideband receivers is proposed due to lack of simulation capability on noise performance of the correlator in current eda tools. the analog correlator circuit is divided into several parts to calculate the equivalent noise sources respectively. the ideal impulse generators, instead of the noise sources, are then applied to obtain the time varying transfer functions. fourier transforms are carried out to explore the relationship between the noise input and output in frequency domain for each part. then the symmetrical noise sources are grouped together and the periodicity of the circuit is utilized to further simplify the model. this model can be used to evaluate noise performance of the correlator
文摘:給出了分析模擬相關器的噪聲模型.將相關器分成不同的幾個子模塊后，對各模塊分別計算等效噪聲源.然後用理想脈沖源代替噪聲源計算電路的時變傳輸函數，接著用傅里葉變換計算輸入輸出的頻域關系.利用電路的對稱結構合併對稱的子模塊可以進一步簡化模型.該模型可以用來估計相關器的噪聲性能
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