buffer n. 1.【機械工程】緩沖器,緩沖墊;阻尼器,減震器;消聲器。 2.【化學(xué)】緩沖,緩沖劑。 3.緩沖者;緩沖物;緩沖國(= buffer state〕。 4.〔計算機〕緩沖存儲裝置。 oil buffer【機械工程】油壓減震器。 vt. 1.【化學(xué)】用緩沖劑處理。 2.緩和;緩沖;保護;使不利影響減少。 buffer economy by raising interest rates 以提高利率來保護經(jīng)濟。 The drug buffer-ed his pain. 這劑藥減輕了他的病痛。 buffer2 n. 1.【機械工程】拋(光)盤,拋光輪,拋光棒。 2.拋光工人。 n. 1.〔英俚〕無能的人,老派人物。 2.家伙,人。 3.【航海】水手[掌帆]長副手。 He was a bit of buffer. 他有點低能。 an old buffer 老家伙,老糊涂,老朽。
circuit n. 1.(某一范圍的)周邊一圈;巡回,周游;巡回路線[區(qū)域];迂路。 2.巡回審判(區(qū));巡回律師會。 3.【電學(xué)】電路,線路;回路,環(huán)道。 4.同行業(yè)聯(lián)合組織;(戲院等的)輪演系統(tǒng);輪回演出(節(jié)目)[上映(影片)]的戲院。 5.事物變化的順序。 a postman's circuit郵遞員的送信路線。 closed [open] circuit【電學(xué)】通[斷]路。 return circuit【電學(xué)】回路。 integrated circuit集成電路。 be in circuit with 和…接成電路。 go the circuit of 繞…環(huán)行。 make a circuit 繞遠路,迂回。 make the circuit of 繞…一圈。 ride the circuit (巡回法官)作巡回審判。 vt.,vi. (繞…)環(huán)行。
Simulation research and analysis on undeland buffer circuit 緩沖電路分析及仿真研究
The main electric circuit uses integration microprocessor and ic , few buffer circuit for stable operation 主要功能電路采用集成度很高的單片機,外圍電路很少,工作更加穩(wěn)定。
The hardware of the system is composed of a high - speed optical - isolator circuit , a first - in / first - out dual - port memory buffer circuit , a pci interface chip ql5032 , and a logic control circuit 系統(tǒng)的硬件部分是由高速光電隔離電路,雙端口fifo存儲緩沖電路, pci總線接口電路ql5032及邏輯控制電路等組成。
The push - pull mode switch power supply is chosen as the main circuit of the other voltages with pwm control circuit , over - current protection circuit , insulated drive circuit , mosfet buffer circuit and so on 采用高效的推挽式電路作為中低壓電源的主電路,并以pwm控制電路、隔離式驅(qū)動電路、過流保護電路、 mosfet緩沖電路、軟啟動電路、穩(wěn)壓電路等作為輔助電路。
Concretely , on the basis of describing the communication specification of arinc 429 with enhanced parallel port ( epp ) , the standard and the module application of dsp and cpld , the thesis has proposed the design of the arinc 429 technology based on dsp system . at first , the function and the application of each module of the system and the operation principle of high - performance cmos bus interface circuit hs - 3282 chip which forms the main body of the data diversion of the interface module are introduced . secondly , the hardware structure of the interface module is described in detail , mainly including data latch and buffer circuit , choice circuit of transmission rate , etc . and then the design philosophy and flow charts of the software are fully discussed , such as the basic requirement of software , the design and realization of the function 本文在簡單的論述了pc并口協(xié)議( epp )與dsp之間的通信方法、 cpld模塊邏輯控制應(yīng)用和arinc429的通訊規(guī)范的基礎(chǔ)上,給出了基于dsp的arinc429通訊接口的設(shè)計方案:對通訊板中各模塊的功能和應(yīng)用以及構(gòu)成數(shù)據(jù)轉(zhuǎn)換主體的總線接口芯片hs - 3282的工作原理做了說明;介紹了本設(shè)計所用的dsp和cpld的功能概況;詳細敘述了通訊板接口模塊的硬件結(jié)構(gòu)設(shè)計,其中,對數(shù)據(jù)緩沖電路、數(shù)據(jù)傳輸速率選擇電路、邏輯控制電路等各關(guān)鍵點做了重點介紹;具體闡述了軟件設(shè)計思想及流程圖,包括軟件的基本要求和功能的設(shè)計與實現(xiàn);接著從端口譯碼單元、 i / o通道、電平轉(zhuǎn)換電路等方面進行了接口模塊的軟、硬件調(diào)試;最后,給出了測試結(jié)果,對研制工作做了總結(jié),對本設(shè)計的優(yōu)缺點各做了評述。