模數制 的英文怎麼說
中文拼音 [móshǔzhì]
模數制
英文
dimensional framework-
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。Aiming at permanent brushless dc motor in mini - bev ( battery electric vehicle ) with torque ripple and violent noise during low speed running, the fuzzy control method is combined with slide mode control method to suppress the influence due to un - modeling parameters, and to ensure the robustness in the process of reaching slide mode plane
摘要針對微型電動車用永磁無別電動機轉矩脈動大、低速運行時噪聲明顯等主要問題,採用模糊控制和滑模控制相結合的方法,克服了未建模參數的影響,保證了滑模到達階段的魯棒性,同時抑制了轉矩脈動。This article takes the lagrange equation as the principle, establishes mathematics modeling to the inertia brake vibration when it brakes, then simulates it with matlab. this paper educed the relation equations between, which are the inertia brake ' s friction coefficient of the brake ring and the friction disk, the mean radius, the braking force, rotation inertia of the driving top and the spline shaft, spiral climbing angle of the brake ' s concave - convex helicoid, the mean effort radius of the concave - convex helicoid, elasticity coefficient of the spring, quality of the driving top and the spline shaft, rotations inertia of the brake ' s rotation part besides the driving top and the spline shaft, suppresses sleeve. provides the theory basis for the inertia brake structure optimization
本文以拉格朗日方程為理論基礎,對慣性制動器在制動時的振動進行數學建模,然後用matlab對其進行模擬,得出了慣性制動器在制動時振動角頻率分別與制動環和摩擦片之間的摩擦系數、制動力的平均半徑、主動頂和花鍵軸的轉動慣量、慣性制動器的凹凸螺旋面的螺旋升角、凹凸螺旋面平均作用力的半徑、彈簧的彈性系數、主動頂和花鍵軸的質量、慣性制動器除主動頂和花鍵軸外其他部分的轉動慣量和、頂壓套的質量等慣性制動器各零部件的物理參數之間的關系,為慣性制動器的結構優化提供了理論依據。Design manual for enclosed epicyclic metric module gear drives
封閉行星米制模數齒輪傳動裝置匠設計手冊Secondly, it describes the hardware system of the exoskeleton hand, including the circuit design of the driver, the fpga - based motion controller, the processing and the a / d conversion for the sensor signal
其次,設計了外骨骼手底層控制系統的硬體電路,包括微型驅動器模塊電路的設計,基於fpga的運動控制器電路的設計,傳感器信號調理以及模/數轉換電路的設計。Using domestic strained integrated resistor as weighing sensor, at89c52 single chip as control unit, combined with arithmetical magnification, analogtodigital conversion ( a / d ), real time clock, liquid crystal display ( lcd ), and series communication interface, a minitype automatic weighing lysimeter is developed. that made measurement of evapotranspiration become conveniently and effectively in studying on water use of crops
為了方便、有效地測定植物的蒸散,為水分利用研究提供價廉物美、簡單易用的儀器,本研究利用國產的集成電阻應變式稱重傳感器,採用at89c52單片機作為控制單元,結合運算放大、模數轉換、實時時鐘、液晶顯示、數據存儲、串列通信等外圍介面電路,研製了小型自動稱重式蒸散儀。In the positioning servo - system, which generally is configured by the d. c. pulse width modulator ( pwm ) velocity governing system and position servo - loop, the parameter perturbance of pwm velocity loop really exist by reason of such as the load behavior ; power voltage supply ; operating setting value, etc. 1, 2 , and it cannot be ignored. by using the identification technique to form the mathematical model of the system, authors have confirmed the facts. therefore, to design the discrete sliding mode controller ( dsmc ) of the positioning servo - system, the perturbed parameters value bounds of the pwm velocity loop, which is as the controlled plant of position servo - loop, should be accounted. consequently, the design principle of dsmc for accounting system with parameter perturbance is proposed by the authors. the proposed method can ensure the stability of system with parameter perturbance and the behavior of non - overshoot, fast precise positioning. in order to reveal the effects of the design method, the comparative research work is done by the authors. also, it has been tested in an industrial experiment, the results proved it is satisfactory
由直流脈寬調速系統( pwm )和位置環構成的定位系統中,速度環的參數隨負載特性;電網電壓;給定工況而攝動是不容忽視的.作者通過系統辨識建模也證實了這一事實1 , 2 .因此在設計位置環的離散滑模控制時,必須針對速度環(即位置環的控制對象)的參數攝動范圍採用「對象參數攝動離散滑模控制器的設計方法」 ,以確保系統在參數攝動時的穩定性和快速、無超調、準確定位的優良動態品質.為剖析該設計方法的控制效果,本文作了對比性研究,並將該設計方法用於工業試驗中,取得了滿意的結果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。Specification for pinion type cutters for spur gears - 1 to 8 metric module
正齒輪插齒刀規范. 1至8米制模數The analog signals are regulated to satisfy the system and analog - to - digital converter ( adc ) ; dsp is the core part and is connected with adcs, a controller of ethernet, a rs - 485 bus transceiver, a can bus transceiver and a clock. the real - time data is disposed by dsp and is transferred to the upper computer when the alarm is happened
模擬信號調理模塊對輸入的信號進行調理,以達到系統和模數轉換器( adc )采樣的要求; dsp作為系統的核心部件,外擴了adc 、以太網控制器、 rs - 485總線收發器、 can總線收發器和時鐘晶元, dsp對實時數據進行處理,當報警發生時將實時數據通過以太網上傳給上位機。In addition, bad loans to state - run enterprises which deficit are common, incomplete bank system and regulation, lacking of credit and law force, composed other critical factors of lowering efficiency on china ' s state - run bank. in the mean time, foreign banks and financial organization are enlarging their scale and business scopes in china. with the advantages on scale, system, management, information processing, policy, they will launch tremendous impact and challenges to chinese counterparts shortly after wto agreement is signed
而與此同時,進入我國的外資銀行和金融機構在經營規模和業務范圍上正不斷擴大,並將利用它在規模、體制、管理、信息數據處理和咨洵服務、中間業務、政策法規、用人機制上的優勢,于中國加入wto的今後幾年內對我國銀行業構成全方位的沖擊和挑戰。The diamerter is even distributed and is much smaller than that of the holes. maybe there are several nanotubes grown from one hole. for two - step oxidation films, the diameter of the prepared nanotubes is the same as that of the holes
一次氧化的模板制備了直徑均勻的竹節狀碳納米管,但直徑徑遠遠小於模板孔的直徑,因此一個孔內可能長出數根碳管。Analogue mobile phone service was completely phased out. mobile service began fully digitalised
模擬制式行動電話服務完全淘汰,流動服務開始全面數碼化。Additional specific topics include : constructing and modeling of genetic networks, lambda phage as a genetic switch, synthetic genetic switches, circadian rhythms, reaction diffusion equations, local activation and global inhibition models, center finding networks, general pattern formation models, modeling cell - cell communication, quorum sensing, and finally, models for drosophila development
外加的特定題目尚有:建構基因網路的模型、以嗜菌體作為基因開關、合成基因開關、日夜節律、反應擴散方程式、局部活化和整體抑制模型、中心尋找網路、整體型式生成模型、細胞間訊息互換的建模、數量感應,最後也將探討果蠅的發育模型。The ina128 is used by left leg ' s driver circle and the aims are to enhance the cmrr and reduce the disturbance of 50hz. the part of a / d transmitting chip is the adc0809 which have a eight - channel transmitter, a eight - bit a / d transmitter and the logical control by microprocessor
考慮到家庭監護的實際應用,精度的要求不是很高, a / d轉換器採用的是adc0809 ,它有8通道多路轉換器、 8位模/數轉換器和與微處理器兼容的控制邏輯電路。Specification for rack type gear cutters, metric module
米制模數齒條式銑齒刀規范First, mathematical model of swaying system is made, which is a basis on later chapters. meanwhile, the system is simulated and designed. the effect of loaded mass, loaded suppleness, general leaking coefficient and cubage elasticity modulus on performance of system is also analyzed
首先,作者建立了橫蕩控制系統的數學模型,作為以後各章節討論的基礎,同時對系統進行模擬和設計,並研究了系統負載質量、負載剛度、總漏損系數和容積彈性模數對系統性能的影響。Specification for general purpose, metric module gear hobs
米制模數齒輪滾刀通用規范The main controller is in charge of managing, communicating and the measuring of grating - displacement and angle - displacement. the subcontrollcr is in charge of the measuring of inner diameter of psd, the analog - to - digital converting of the serial a / d and the data processing of dsp
主控制器完成管理、通信及光柵位移、角位移測量控制功能;子控制器完成psd內徑尺寸檢測、串列a / d模數轉換及數字信號處理器( dsp )數據處理功能。Analysis on mathematics model of modulus design of jingjiang prince ' s palace
以數學建模工具分析靖江王府模數制規劃分享友人