sample circuit 中文意思是什麼
sample circuit
解釋
采樣電路-
The control system included the following units : video decode unit, data format conversion unit, fpga controller, cache unit and d / a monitor. the above self - design control unit plus row and column power supply units make the whole fed driving system, thus drove the 25 inch sample and realized color video display. the 25 inch vga sample thus fabricated could display video images, and obtained its brightness 400cd / m2, contrast ratio 1000 : 1, 256 circuit gray scale
本文介紹了fed驅動系統的工作原理，重點論述了基於fpga的vga級彩色fed新型驅動控制系統的研製，這種新型fed驅動控制系統主要包括視頻解碼電路、數據格式轉換電路、 fpga控制電路、數據緩存電路和d / a監控電路，配合后級列灰度調制單元和行掃描單元，組成完整的fed驅動系統，可以驅動25英寸vga級fed顯示屏，實現彩色視頻顯示，樣機亮度達400cd / m2 、對比度為1000 : 1 ，灰度等級為256級。 -
Those include power supply circuit design ; ground plane design and sample clock design. combining some radar development, its high - speed a / d circuit is tested, and has given out some test results
最後結合某雷達研製，對其高速模數轉換電路設計進行了實際測試評估，並給出了部分測試結果。 -
Such as harmonic distorted in front analog circuit, sample clock shaking, analog power and the noise in ground plane etc. some suggestion of circuit design is given to improve high - speed a / d circuit performance
在高速模數轉換電路的應用設計中地電源供電設計、模數地平面設計、采樣時鐘設計等方面提出一些具有指導性的意見。 -
New designed auto tracing arc eliminating device based on this technique contents more technology, which has sample circuit, wide tuning scope, quick response and low noise. this paper firstly introduces neutral grounding histroy. by analyzing the syntony grounding theory, the transient and stable process of one - phase grounding fault, the threaten to secure run of power system and the importance of exact compensation for capacitive current are cognized
論文中首先介紹了中性點接地方式的發展過程，通過對諧振接地原理和單相接地故障的暫態、穩態分析，認識到接地故障對系統安全運行的危害，通過消弧線圈對接地電容電流的迅速準確補償是減小故障危害的最主要手段。 -
The hetrojunction device fabricated with sige material has shown great advantages over bulk sample in many aspects : higher carrier mobility, larger transconductance, stronger drive capability and hence faster circuit speed
與體si器件相比，採用sige材料的異質結器件已經在許多方面顯示出了強大的優勢:譬如更大的載流子遷移率，更大的跨導，更強的電流驅動能力以及更快的電路速度等等。 -
The column output circuit is realized by double sample and hold circuit which can effectively decrease fpn ( fixed pattern noise )
列輸出電路採用雙采樣電路，該電路能有效地消除固定模式噪聲。 -
A kind of gain error correction scheme for sample - and - hold circuit
保持電路中的一種增益誤差自校正方法 -
Sample and hold circuit
取樣保持電路 -
In front of the a / d converter in an analog conversion system is usually located a sample - and - hold circuit
在模擬量轉換系統中在模/數轉換器的前端通常都會有一個采樣-保持電路。 -
The sample and hold circuit is employed by the bottom plate sampling technique, which could not only cancel the charge injection error but also eliminate the effect of clock feed - through
采樣保持電路設計採用了電容下極板采樣技術，不僅有效地避免了電荷注入效應引起的采樣信號失真，而且消除了時鐘饋通效應的不良影響。 -
The video signal processing circuit realizes the primary catching, filtering and signal amplifying. variable threshold binarization processing circuit and two - channel counter are designed to sample to count the output pulse signal, which is processed, deposited and displayed in microprocessor. the communication interface circuit with the computer is also designed
視頻信號處理電路完成了原始信號的初級捕捉、濾波、視頻放大等處理，設計了浮動閾值二值化處理電路，採用兩路計數器對輸出脈沖信號采樣計數，最後送入微處理器進行運算處理，可實現測量值的儲存、顯示等，並設計了與上位機的通訊介面。 -
Based on the analysis of the working principles and the circuit features of the air - condition controller, the circuit is described by the logic signal, and according to the fault features of the components and some rules the number of sample is decided
在系統的分析了空調控制櫃的工作原理和電路特點的基礎上，選擇了電路的通斷信號對電路狀態進行描述，並根據電路元件的故障特點和一定的原則確定了采樣點數目。 -
Under the research of the characteristic of three classical analog filter with simulation software - matlab, this paper devised lowpass circuit that not only can keep the useful signal out of distortion but also benefits the following sample tache and filter tache
用matlab分析了三種經典模擬濾波器的濾波性能，設計出了能保持有用信號不失真又有利於後面的采樣和數字濾波環節的低通電路。 -
From the experiments we can get a conclusion that with the characteristics of working well, sample circuit and light path, rated current error and phase error fulfilling accuracy class 0. 2, and respond speed and bandwidth superior to old electromagnetic current transducer, the hybrid current transducer we designed is practical
實驗證明，採用這種方法設計的混合式光纖電流互感器工作可靠、電路和光路簡單，比差和相差都能夠很好地滿足國標中對0 . 2級電流互感器的要求，動態響應速度、帶寬等性能都明顯優于傳統的電磁式電流互感器，已經進入實用化階段。 -
After a simulated sample is given, we compute on this sample coupling analysis and steady non - linear analysis. by contrast with the experimental outcome of short circuit, we make certain that steady non - linear analysis should be used to analyze a true model. and then, we confirm the external conditions of finite element heat analysis after analyzing the cooling ways of multiple magnetic circuit transformers
2 、論述了有限元分析的電磁場和溫度場的理論基礎;製造出模擬樣機，分別用耦合場分析法和穩態非線性分析法對其進行計算，計算結果與其短路實驗結果進行對比，驗證了穩態非線性分析法計算結果的可信性;分析多磁路變壓器的冷卻方式，確定有限元熱分析的外部條件。 -
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。 -
According to the different sample electricity from the output loop of the circuit by the feedback network and the different ways of connection between the input loop of the circuit and the feedback network, can divide the configurations of alternate negative feedback circuit into four kinds : voltage series, voltage parallel, current series and current parallel
摘要根據反饋網路從電路輸出迴路的不同取樣電量和在輸入迴路的不同連接方式，可把交流負反饋電路的組態分為電壓串聯、電壓並聯、電流串聯和電流並聯4種。 -
In the 4th chapter the hardware of the system is introduced, which includes the power supply module, microcomputer, vibration stimulating driver, signal sample driver and other peripheral circuit modules
第四章介紹了整個硬體平臺的搭建，包括cpu 、電源、振動刺激驅動電路、信號採集電路以及相應的其它外圍電路。 -
Second is store circuit composed by single - chip microcomputer - at89c51 and eeprom - at93c66. the third is sample circuit composed by three digital temperature sensor - ds1820. the final is output circuit
At93c66是三線制microwire串列總線的eeprom ，在控制系統中用於存儲用戶的各種設定值和當前的工作狀態（車廂溫度、比例系數k _ u等） 。 -
The control of pfc is digital control, it brings the advantages of sample circuit 、 immunity to noise 、 high reliability and debug expediently. so it is easy to update system with immovable circuit to satisfy the need of variational clients
該pfc控制是在軟體中實現的，可以在完全不改動電路的情況下，對系統進行升級，滿足不斷變化的用戶的需要，大大減少了產品更新換代的成本。
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