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Flash Memory Technology Direction

Flash Memory Technology Direction

標簽： Technology Direction Memory Flash

上傳時間： 2016-11-27

上傳用戶：waitingfy
Linux remote Direction.

Linux remote Direction.

標簽： Direction remote Linux

上傳時間： 2017-03-11

上傳用戶：拔絲土豆
Stepper Motor to control the Direction

Stepper Motor to control the Direction

標簽： Direction Stepper control Motor

上傳時間： 2014-01-16

上傳用戶：牛布牛
ARM core Direction ARM core DirectionARM core DirectionARM core Direction

ARM core Direction ARM core DirectionARM core DirectionARM core Direction

標簽： core DirectionARM Direction ARM

上傳時間： 2013-12-13

上傳用戶：aa54
The radially averaged power spectrum (RAPS) is the Direction-independent mean spectrum, i.e. the ave

The radially averaged power spectrum (RAPS) is the Direction-independent mean spectrum, i.e. the average of all possible Directional power spectra. This function computes and plots the RAPS of an input image. The function was written to produce the RAPS for square weather radar reflectivity images so you will have to relabel the plot axes and title to suit your needs. The radially averaged power spectrum provides a convenient means to view and compare information contained in 2D spectra in 1D

標簽： spectrum Direction-independent i.e. the

上傳時間： 2013-12-17

上傳用戶：watch100
DAC技術用語 (D/A Converters Defini

Differential Nonlinearity: Ideally, any two adjacent digitalcodes correspond to output analog voltages that are exactlyone LSB apart. Differential non-linearity is a measure of theworst case deviation from the ideal 1 LSB step. For example,a DAC with a 1.5 LSB output change for a 1 LSB digital codechange exhibits 1⁄2 LSB differential non-linearity. Differentialnon-linearity may be expressed in fractional bits or as a percentageof full scale. A differential non-linearity greater than1 LSB will lead to a non-monotonic transfer function in aDAC.Gain Error (Full Scale Error): The difference between theoutput voltage (or current) with full scale input code and theideal voltage (or current) that should exist with a full scale inputcode.Gain Temperature Coefficient (Full Scale TemperatureCoefficient): Change in gain error divided by change in temperature.Usually expressed in parts per million per degreeCelsius (ppm/°C).Integral Nonlinearity (Linearity Error): Worst case deviationfrom the line between the endpoints (zero and full scale).Can be expressed as a percentage of full scale or in fractionof an LSB.LSB (Lease-Significant Bit): In a binary coded system thisis the bit that carries the smallest value or weight. Its value isthe full scale voltage (or current) divided by 2n, where n is theresolution of the converter.Monotonicity: A monotonic function has a slope whose signdoes not change. A monotonic DAC has an output thatchanges in the same Direction (or remains constant) for eachincrease in the input code. the converse is true for decreasing codes.

標簽： Converters Defini DAC

上傳時間： 2013-10-30

上傳用戶：stvnash
基于微網的光伏變流器系統設計

光伏發電是未來新能源發電重要方向之一，而光伏變流器是光伏發電系統的核心。介紹一種基于微網理念的光伏變流器設計。以該變流器為核心的光伏發電系統可以看做一個小型的微網系統。該系統能根據外部電網情況，工作于并網模式和離網模式。介紹了該系統的各個組成部件的設計以及變流器主電路部分器件的選型。最后，由實驗樣機進行測試。試驗結果驗證了電路拓撲結構及控制方案的可行性，也說明了系統參數設計方法的正確性。 Abstract: Solar Photovoltaic generation is an important Direction of new energy power generation in the future，while photovoltaic converter is the core of photovoltaic generation system. This paper deals with a study on photovoltaic inverter based on the concept of microgrid. This paper describes a system whose core component is the photovoltaic inverter，can work on grid-connected mode or run independently according to the external situation. The paper simply describes the main components of the system. At last，the prototype was produced and tested. Test result has proved feasibility of circuit topology structure and controlling scheme and shown correctness of system parameters.Key words: PV inverter； microgrid； off-grid； storage battery

標簽： 光伏變流器系統設計

上傳時間： 2014-12-24

上傳用戶：Shaikh
基于AVR單片機的閉環控制系統

　　針對科研實驗中對拉壓千斤頂加載過程控制的需要，采用ATmega128單片機控制步進電機進而實現對執行系統的電動泵站實行自動控制。對力和位移的數據采集與處理及用步進電機控制電動泵站手柄的技術細節作了重點描述。通過單片機的A/D變換器對AMP放大模塊采集的電橋信號作量化處理，千斤頂的操控手柄位置依電動油泵閥門開啟的方向和大小作若干定位，單片機根據力或位移傳感器信號，實時控制步進電機驅動手柄旋轉到相應操控位置。　　Abstract: 　　This article describes the use of ATmega128 AVR microcontroller series of DBS electric pumping stations and QF100/200 separate twoway hydraulic jack to automate the process of manipulating the work of the technical content. Articles on force and displacement data acquisition and processing， and stepper motor control electric pump with the handle of the key technical details were described. Through the MCU’s A / D converter module is collected on the AMP amplification quantify the signal bridge， jack handle position control valve opening according to the Direction of electric pumps for a number of positioning and size of the microcontroller based on force or displacement sensor signals， real-time control stepper motor drive control handle rotate to the appropriate location.

標簽： AVR 單片機閉環控制

上傳時間： 2014-01-16

上傳用戶：hasan2015
DUAL DIGITAL ISOLATORS

The ISO7220 and ISO7221 are dual-channel digital isolators. To facilitate PCB layout, the channels are orientedin the same Direction in the ISO7220 and in opposite Directions in the ISO7221. These devices have a logic inputand output buffer separated by TI’s silicon-dioxide (SiO2) isolation barrier, providing galvanic isolation of up to4000 V. Used in conjunction with isolated power supplies, these devices block high voltage, isolate grounds, andprevent noise currents on a data bus or other circuits from entering the local ground and interfering with ordamaging sensitive circuitry.

標簽： ISOLATORS DIGITAL DUAL

上傳時間： 2013-10-24

上傳用戶：hbsunhui
基于DSP的ATV-ATT中控系統設計

設計一種應用于某全地形ATV車載武器裝置中的中控系統，該系統設計是以TMS320F2812型DSP為核心，采用模塊化設計思想，對其硬件部分進行系統設計，能夠完成對武器裝置高低、回轉方向的運動控制，實現靜止或行進狀態中對目標物的測距，自動瞄準以及按既定發射模式發射彈丸和各項安全性能檢測等功能。通過編制相應的軟件，對其進行系統調試，驗證了該設計運行穩定。 Abstract: A central control system applied to an ATV vehicle weapons is designed. The system design is based on TMS320F2812 DSP as the core， uses modular design for its hardware parts. The central control system can complete the motion control of the level of weapons and equipment， rotation Direction， to achieve a state of static or moving objects on the target ranging， auto-targeting and according to the established target and the projectile and the launch of the security performance testing and other functions. Through the development of appropriate software and to carry out system testing to verify the stability of this design and operation.

標簽： ATV-ATT DSP 中控系統

上傳時間： 2013-11-02

上傳用戶：jshailingzzh

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Direction

Flash Memory Technology Direction

Linux remote Direction.

Stepper Motor to control the Direction

ARM core Direction ARM core DirectionARM core DirectionARM core Direction

The radially averaged power spectrum (RAPS) is the Direction-independent mean spectrum, i.e. the ave

DAC技術用語 (D/A Converters Defini

基于微網的光伏變流器系統設計

基于AVR單片機的閉環控制系統

DUAL DIGITAL ISOLATORS

基于DSP的ATV-ATT中控系統設計