積分計數器 的英文怎麼說
中文拼音 [jīfēnjìshǔqì]
積分計數器
英文
integration counter- 積 : Ⅰ動詞(積累) amass; store up; accumulate Ⅱ形容詞(長時間積累下來的) long standing; long pending...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 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
- 積分 : 1. [數學] integral; integrate; integration 2. [體育] (積累的分數) accumulate points
- 計數 : count; tally; counting計數卡 numbered card
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Eniac ( for " electronic numerical integrator and computer " ), the first general - purpose electronic computer, is unveiled at the university of pennsylvania
1946年的今天,首臺通用的電子計算機? ?艾尼亞克(意為「電子數字積分器與計算機」 ) ,在賓夕法尼亞大學揭開了面紗。So, this paper researches the principle of measuring system of insulating oil dielectric loss and volume resistivity. during the measuring process, the insulating oil must be heated and kept at 90 in 15 minutes. medium - frequency induction heating method is presented to instead of the electrical resistance furnace heating method on chapter 2, and a kind of subdivision - controlled integral - separated digital pid algorithm is designed to control the medium - frequency induction heating apparatus
本文對恆溫控制系統進行了研究,提出了以中頻感應加熱方式取代原有的電阻爐加熱方式,設計了一種分段控制的積分分離式數字pid控制器來控制中頻感應加熱裝置,並通過通信設計將恆溫控制系統與介損及體積電阻率測試系統有機結合為一體機,實驗結果表明該恆溫控制系統完全滿足介損及體積電阻率測試中的控溫要求。Electrical numerical integrator and calculator enia
電子數字積分計算器The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested
在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。To decimators of multi - level system designed based on the hb filter and cic filter, analysis of the filter design parameters involved, whose theory applied to multi - level cic filter of design, and designed half band filter with distributed algorithms. compared to the simulation results. these advanced algorithms applications, and further increase hardware efficiency and operating speed
對于基於積分梳狀( cic )濾波器和半帶( hb )濾波器的多級系統設計的抽取濾波器組,分析了濾波器設計中所涉及的各個參數,將剪除理論應用於多級積分梳狀( cic )濾波器的設計中,並且採用分散式演算法( da )來設計半帶( hb )濾波器,並對模擬結果進行比較,這些先進演算法的應用,進一步提高了硬體效率和運行速度。Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application
文摘:提出一種新型的非線性積分器,給出它的數學模型,並用諧波線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位滯后僅27 . 6 ,高次諧波分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制性能好,具有廣泛的應用前景Regarding the hysteretic properties and time - varying of the system, the scan round performance of the controller, adopt incremental pid algorithm in constant - pressure controlling and combine it with the integral - separated dead - zone algorithm as appropriate for the situation of the measuring system and applies fuzzy self - tuning to control pid controller parameters
由於系統的滯后時變性和控制器的循環掃描工作方式,恆壓控制採用增量式pid控制演算法,結合測量系統實際情況加入積分分離帶死區改進演算法,並對pid參數進行模糊自整定控制,設計了一種參數自整定模糊pid控制器。The nucleus is the software in the design and realization of virtual instruments. we use the design method of module and use many papers to describe the whole building process of the typical signal generation module, date handling module, date reading and writing module, resultdemonstrate module. as the conclusions, we also offer the panels and the diagrams of virtual signal frequency spectrum analytical instrument, virtual butterworth filter, virtual signal generation instrument, virtual integrator and differentiator regulator and amplitude modulation wave counter modulation instrument
本文採用模塊化設計方法,詳細描述了典型信號生成模塊、數據處理模塊、數據讀取和存儲模塊、顯示模塊等軟體開發的全過程,分析、解決了設計及實現過程中出現的問題,並給出了已實現的虛擬信號頻譜分析儀、虛擬巴特沃斯濾波器、調幅波解調器、虛擬信號發生器、虛擬積分器和微分器等實驗教學用虛擬儀器的前面板圖和程序流程圖。It can acquire the voltage on the test appliance and current in the circuit. and it can see these electrical signals as its input and calculates based on the data and gives the parameters and waveform that user needed. the parameters we can get through calculation include power factor, joule ' s integral, available value, maximal value, minimum value, time constant etc. recently, there are many scholar is studying the algorithm that calculate the parameter using test data, but many of them adopt the heuristic method, not using the test data directly
本課題研製一套電器試驗參數高速採集系統,能夠檢測試驗迴路中試品上的電壓信號和迴路中的電流信號,並根據這些電信號的數值利用計算機進行在線計算,並給出用戶需要的各種電參數值和用戶需要的波形圖,通過計算得到的電器參數有功率因數、焦耳積分、有效值、最大最小值、時間常數等。The ade7758 is a high accuracy 3 - phase electrical energy measurement ic. it incorporates adcs, a digital integrator, reference circuitry, temperature sensor, and all the signal processing required performing active, reactive, and apparent energy measurement and rms calculations
Ade7758是高精度三相電量測量專用晶元,它集成了adc 、數字積分器、參考電路、溫度傳感器以及電能測量和有效值計算的數字處理模塊。The features of the new type of integration scheme can be described as follow : high division and easy debug are achieved in the scheme ; accumulative total is used, and the discord of integer part and decimal part are avoided in the scheme ; it can divide as well as detect direction ; it can integrate the counter into isp device and then evaluate the maxim frequency of the counter ; it also integrate square wave and some logic devices into isp device, and then improve integration, reliability, stability ; and have the character of software designation instead of hardware designation and in - system programming, and it becomes very easy to modify the circuit and to extend the function
新型的集成化設計方案具有以下特點:細分數高而且調整方便;採用累積計數,避免大小數分別計數的不協調;細分同時完成辨向;可以在isp器件內完成計數功能,從而提高了計數器的最高工作頻率;同時將方波發生器和一些外圍的數字電路集成在一片isp器件內,提高了系統的集成度,性能可靠穩定;具有硬體設計軟體化及在系統可編程的特點,便於電路的修改和功能的擴展。This paper simulates the effect of voltage fluctuation inspection through the tool of matlab. and proves the filters ' s stability. in the part of self - checkout, pi ( proportional integral ) control arithmetic is put forward to check the gain k and the calculated results show the method ' s effectiveness. then many comparements toward pst are done in different realization methods such as different interpolation points classification number and sample frequency. though simulation and calculation we can see the designed flicermeter can meet our country ' s standands
文中利用matlab對電壓波動的檢測效果進行了模擬;並對涉及到的濾波器的穩定性做了證明;在自校驗部分提出了將pi (比例、積分)演算法用於數字濾波器增益k值的確定,取得了不錯的效果;然後分別從取不同插值點、不同分級數和不同采樣頻率這幾個方面出發,對計算出的p _ ( st )值進行了比較。This paper put forward a method of using amending sine value in the spwm sine table. this method can correct the distortion of the output voltage waveform, which resulted from the dead time used to the voltage type whole bridge main circuit. the inverter system adopts digital fuzzy controller with feed forward correction and which proportion coefficient and integral coefficient is changeable, so dynamic response is improved
本文提出了一種採用修補spwm正弦表值的方法,用以改善電壓型全橋逆變主電路因上下橋的功率器件切換時先關斷后導通的死區時間而引起的輸出電壓波形畸變;逆變系統採用帶前饋校正的變比例變積分系數的模糊控制器,提高了系統的動態響應指標;系統設計了完善的保護措施,並具有市電電網的故障診斷功能。It has been shown by our calculations that conductor loss is greatly reduced under velocity matching with relatively thick coplanar waveguide electrodes and thick buffer layer, but the characteristic impedance can not match with that of the external circuit at the same time, and the modulation bandwidth is confined in this case
然後,用一般的橢圓積分計算了普通共面波導型調制器的有效折射率、特徵阻抗和導體損耗系數。通過計算發現,採用厚電極和厚緩沖層結構,在實現速度匹配的情況下,可以大大減小導體損耗,但是由於阻抗不能同時滿足匹配,調制帶寬受到限制。Compared with digital integrator composed of reversible counter, the trapezoidal formula digital integrator is utilized in integrating element of phase - lock controller, it has advantages in simple realization, fast transient response, wide lock range, insensitivity to disturbance
對鎖相控制的積分環節採用了梯形公式數字積分器,與可逆計數器構成的數字積分器相比,梯形公式數字積分器具有實現簡單、動態響應快、入鎖范圍大、抗擾動能力強等優點。If the input voltage, for example, is equal to the reference voltage u, the two integration times are equal and the counter would be set to reach its maximum
如果輸入電壓等於參考電壓, ,兩個積分時間就相等,計數器就達到最大值。The thesis describes a prototype fractional frequency synthesizer which is supported by a project granted by the ministry of science and technology of pr china. firstly, based on the principle of pll, this paper briefly describes three basic pll components : phase detector ( pd ), low pass filter ( lpf ), voltage controlled oscillators ( vco ), analyzes the linearized pll and summaries the transfer functions of third - order pll with ideal intergrator filter respectively. based on a microwave vco, the single point frequency pll frequency ranging from 2. 2 to 2. 5ghz is developed
首先,從鎖相環的基本理論、原理出發,分析了鎖相環中的三個基本部件:鑒相器、環路濾波器和壓控振蕩器,此後,針對線性化鎖相環進行了分析,研究了在使用比例積分濾波器時,三階鎖相環的環路參數計算;在電路實現時選用了lmx2353 ,在此基礎上,完成了2 . 2 ~ 2 . 5ghz范圍內的小數頻率合成器設計。For the coupling between the laser diode and the tapered single - mode fiber, the overlap integral is used to compute the coupling efficiency on the basis that the laser diode outputting mode field and the fiber eigenmode field is approximated to basic - mode gauss field. and based on the same approximation, the coupling efficiency between the semi - tapered fiber and the laser diode is calculated by using the ray - traced method. the parameters are analyzed for the effect on the coupling efficiency and give the theory foundation to optimize the design of the tapered fiber coupling system
首先通過對半導體激光器輸出模式場和光纖本徵模式場的高斯基模近似,利用交疊積分計算了錐形單模光纖與激光器的耦合效率問題;其次依據以上近似,利用光線跡蹤法計算了半錐形多模光纖與激光器的耦合效率問題,給出各個參數對耦合效率的影響和作用,為優化設計錐形光纖耦合系統提供了理論依據。We adopt double alkali cathodal tube 9789qb, which was made by emi corporation in england, as our photomultiplier, whose spectrum ranges between 300nm to 650nm, with less noise counters and single - photon apices, which make it suitable as a single - photon - counter. the disparted - voltage device is designed in a reasonable way and the cooling system of iquefied nitrogen which makes it small in size, simple in structure, easy in processing, cheap in cost and good in performance
該管型的光譜范圍在300 650nm ,具有暗計數少,有單光子峰的特點,適于做單光子計數器;本文的光電倍增管分壓器設計合理而冷卻系統採用液氮,該系統體積小、結構簡單、加工便利、成本低廉且性能良好。分享友人