通道轉換器 的英文怎麼說
中文拼音 [tōngdàozhuǎnhuànqì]
通道轉換器
英文
channel converter- 通 : 通量詞(用於動作)
- 道 : Ⅰ名詞(道路) road; way; route; path 2 (水流通過的途徑) channel; course 3 (方向; 方法; 道理) ...
- 轉 : 轉構詞成分。
- 換 : 動詞1. (給人東西同時從他那裡取得別的東西) exchange; barter; trade 2. (變換; 更換) change 3. (兌換) exchange; cash
- 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
- 通道 : thoroughfare; passageway; pass; enterclose; gallery; drong; tunnel; avenue; alure; way; row; key ...
- 轉換器 : -ad
- 轉換 : change; transform; convert; switch
-
The new system consists of a single - chip computer system ( at89c51 + psd311 ) and alow power consumed analyzer by applying a new adc chip ads774, and a dead - time correcting circuit is designed to correct the collecting time
本系統由單片微機系統( at89c51 + psd311 )組成多道緩存,由低功耗模數轉換器組成分析器,與微型計算機通過列印并行介面實現數據通訊,並含有死時間校正電路。To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft
為了使開發出的軟體可以適用於高速dsp器件開發,節省系統資源,課題首先從數字信號處理的理論進行分析,得出可以利用抽樣率轉換的數字濾波器的特點,即多相濾波實現數字上下變頻計算負擔的減小,之後進一步將多相濾波器與頻譜搬移部分結合,通過公式的推導,得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。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。This paper introduces the basic theory, structure, data transfer protocol of ds2450 1 - wire quad a / d converter, and the application of four channel digital storage oscilloscope
摘要介紹了ds2450單總線四通道模擬轉換器的基本原理、結構、數據傳送協議,以及在四通道數字存儲示波器中的應用。The design and application of ad6640 and ad6624 are fully discussed in this part. the design of software module includes the parameter design for ddc filter and the baseband signal processing of dsp. and the realization of the viterbi channel decoding algorithm by dsp and the simulation of the burst at the transmitter are discussed
模塊的硬體設計主要包括: a d轉換器、數字下變頻器( ddc )以及dsp ,詳盡討論了a d器件ad6640和ddc器件ad6624的設計和應用;模塊的軟體設計主要包括: ddc濾波器參數設計和dsp的基帶信號處理,給出了viterbi通道譯碼演算法dsp實現和發射端突發形成的模擬實現。Air filtration portfolio, air filters, valve, oil mist machine, filter valve, oil mist separator, micro - mist separator, stability activated solenoid valve, pressure gauge, micro - valve and vacuum valves, links the release of the closure - pressure valves, and pipe connection, a one - way valve, t - shelves, shelves, brackets, diaphragm - type flow switches, blades type flow switches, further growth actuator, the valve lock, precision valve, pressure switches, mechanical pressure switches, pneumatic control ratio positioning devices, and electric - gas ratio positioning devices, and telecommunications - pressure converters, electro - pneumatic proportional valve, filter valve, shuttle valve, gas - electric relay and gas indicator, delay pneumatic valve and cylinder fcl, plumbing fcl, mufflers and exhaust cleaner, the excess flow valve with silencer, a one - way valve, rapid valve, rapid joints, rapid valve with fcl, rapid joint sub - cluster gas, micro joints, gas pipes, pipe from the devices, and helical coils, pipes, channels, scissors, multiple fastener, high - speed rotary joint, 10000 threaded joints, and insert the tube joints, rotary joints began, 68. 25 rapid joints and hoses, hose fittings and rapid non - electrostatic
空氣過濾組合空氣過濾器減壓閥油霧器過濾減壓閥油霧分離器微霧分離器穩定啟動電磁閥壓力表微型減壓閥減壓氣閥三通釋放式截流閥壓力開關管接頭單向閥t型隔板隔板托架膜片型流量開關漿葉型流量開關增速繼動器鎖定閥精密減壓閥壓力開關機械式壓力開關氣控比例定位器電-氣比例定位器電訊號-氣壓轉換器電-氣比例閥過濾減壓閥梭動閥氣-電繼電器氣源指示器氣動延時閥氣缸限流器管道限流器消聲器排氣潔凈器限流閥帶消聲器單向止回閥快速排氣閥快速接頭快速排氣閥帶限流器快速接頭集束分氣微型接頭氣喉管喉管脫離器螺旋管排管管道剪刀多管扣件高速旋轉接頭萬用螺紋接頭插入式管接頭旋式緊鎖接頭難燃性快速接頭和軟管不帶靜電快速接頭和軟管Since our founding in 1906, yamatake has built on its core of measure - ment and control technologies to maintain its position at the forefront of japan s auto - mation industry. over our long history, we have built a sterl - ing reputation for providing optimum solutions in industrial automation, factory automation and building automation. sya was approved as chinese distributor of yamatake in 1999, and began to cooperate in regulator, recorder transmitter, sensor, actuator, combustion control, air conditioning control, anti - exploding switch, and other relative equipment
上海鷹琪自動化成套設備有限公司於1999年取得山武公司的中國區代理權,並開始了與山武公司在調節器記錄儀指示儀轉換器傳感器執行器燃燒安全控制器空調控制器防爆限位開關系統相關設備等產品領域的合作,通過不斷努力,取得了相當不錯的業績,尤其調節器執行器燃燒安全控制器及防爆限位開關等產品方面有獨道的技術服務經驗,深受廣大用戶好評。In this paper, we completely discussed and designed the web - based rtu in telecontrol system for electrical railway system. first, in this paper, we divided rtu into internet - rtu, intranet - rtu and normal - rtu on scale. lan method to realize web - based internet - rtu and intranet - rtu and internet - rtu join the internet by adopting the router equipments are given, then, the conjunction mode between lan and el channel and two resolved scheme are designed and compared : router mode and conversion equipment mode
首先,本文把不同規模的被控端分為internet級被控端、 intranet級被控端以及常規被控端,對于internet級被控端和intranet級被控端,本論文採用構建lan的方式實現其web模式的轉變,在internet級被控端採取路由器設備連接internet ,接著,本論文對綜自被控端lan和e1介面通道的連接方式進行設計與比較,提出使用路由器和介面轉換器兩種模式。It contains two a / d channels, every channel has a 4kx 16bit buffer. it has three flexible trigger modes : inner trig, outer trig and software trig. vvp platform can support up to 4 plug - in boards ( 8 channel a / d ) to work together
該模塊作為一塊vvp儀器平臺上的插板,採用20msps的16位a d轉換器,一塊插板上設計了2個高速a d轉換通道,每個通道有4k 16位的緩沖存儲器,可以內部觸發、外部觸發和軟體觸發。Advanced fpga technology is introduced to improve the integration of digital circuits, and all digital circuits in the original module are integrated in the fpga chips, which could not only reduce the cost, but also improve the reliability and measurement precision of the circuits. high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi, analyze and execute the commands, harmonize each section of the module and process the data. higher - conversion - speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by fpga chip ; it can expand the measurement range of frequency dramatically
本文在原有vxi總線四通道計數器模塊的設計基礎上,通過對原模塊缺陷的分析,採用一些新的技術和新的電子器件來重新設計該計數器模塊:採用最新的fpga技術來提高數字電路的集成度,將原模塊中的所有數字電路全部集成在fpga晶元中,這樣不僅能節約成本,還能提高電路的可靠性和測量精度;採用高速的數字信號處理器( dsp )取代原有的單片機作為協處理器,來接收vxi發來的各種命令,分析命令、執行命令、協調模塊各部分的工作以及對數據的處理;採用轉換速率更高的比較器晶元將輸入的被測信號轉換為fpga晶元能夠識別的方波信號,能極大提高測量頻率的范圍;採用d / a轉換晶元和隔離運算放大器得到隔離通道所需的比較電平,該比較電平值能夠根據實際需求進行設置,能增強模塊的使用靈活性。The main content and creative work in this dissertation include : ( 1 ) design a high precision sampling circuit based on a dual channel adc ad10242 to provide data for the whole system
本文完成的主要工作和創新之處有: ( 1 )基於雙通道模數轉換器ad10242設計高精度數據採集電路,為整個脈壓系統的工作提供必要的條件。Multichannel amplitude analyzers : standards for time - to - amplitude converters
多通道振幅分析器.時間-振幅轉換器標準An a / d converter max199 and its applications in phonic acquisition and playback system are introduced in the paper, which is of high - speed, high accu racy, multi - range, multi - channel and of low power consumption
介紹了一種速度快、精度高、多量程、多通道、低功耗的a / d轉換器max199及其在語音採集與回放系統中的應用。Abstract : an a / d converter max199 and its applications in phonic acquisition and playback system are introduced in the paper, which is of high - speed, high accu racy, multi - range, multi - channel and of low power consumption
文摘:介紹了一種速度快、精度高、多量程、多通道、低功耗的a / d轉換器max199及其在語音採集與回放系統中的應用。High speed 14 bits 4 channels synchronous a / d converter is also chosen, which can successfully lead to sampling and hold of multiple channels signals
在外圍電路的實現上,選取了四通道14位a d轉換器,真正實現了各路信號的同步采樣保持。The main chip of the usb interface circuit is a cypress semiconductor ' s product, cy7c64613, which has intergrated usb sie ( serial interface engine ) and enhanced 8051. the oscilloscope module is realized according to the real time sampling principle. it has two signal chunnels and a dual 8 - bit dual a / d converter whose most sampling rate is 40msps, so two signal acquisition can occurs in the same time
隨后介紹虛擬儀器測試平臺中各硬體模塊設計實現: usb介面的主晶元是cypress公司的cy7c64613 ,此晶元集成了usbsie和8051核;示波器模塊根據實時取樣原理實現,採用雙8位a / d轉換器,提供兩條信號通道,可以同時採集雙路信號,最高的采樣率為40mhz ;信號源模塊採用直接數字合成( dds )原理實現,它所能產生的信號頻率為10hz 5mhz ,最小頻率解析度為9 . 537hz 。The left and right channels are combined to one digital data string via a multiplexor
通過多路轉換器將左右聲道合成一個聲道。Digital signal processor ( dsp ) was used as the microcontroller of the daq card, and synchronous a / d converters were used to collect synchronous signals
該數據採集卡以數字信號處理器( dsp )為主控制器,結合同步模數轉換器( adc )實現了多通道同步採集的功能。The auto - test process could be done by several instructions " executed. results of the ip core ' s simulation shows the adc can achieve a 10 - bit resolution. system has 8 input channel and 5 sample period selection with the control of internal bus
對該ip核的全局模擬結果表明,所設計的模數轉換器可以達到10位的精度,可以通過系統總線信號對8路信號輸入通道以及5種采樣速率進行選擇控制,可以通過系統指令完成模數轉換器的自測試功能。The functional module and the mainboard compose an automatic measurement instrumentation with real - time data acquisition and processing function. this module involves two multi - channel adc and the sample clock is shared between these adc so as to synchronization
本模塊使用了單片集成多通道同步a d轉換器,並在轉換器之間共享采樣時鐘的方法在模塊內部實現了通道間同步。分享友人