master signal 中文意思是什麼
master signal
解釋
主臺信號-
The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble
系統採用電臺的電視伴音調頻信號，其中電臺信號與伴音信號功率之比基本為10 ： 1 ，並且目標散射信號較弱，一般情況下淹沒在雜波和機器熱噪聲之下，採用常規的脈沖檢測方法很難對遠距離的目標進行檢測，而以電臺直達信號作為參考與目標回波信號進行相關檢測；系統中信號的相關處理會產生旁瓣，而強目標的旁瓣會影響附近的弱目標檢測。 -
Finally designs the interface cirvuit with the master control system. the analog singal is isolated by linear optical isolator and the digital signal is isolated by common optical isolator
設計了與主控系統的介面隔離電路，採用線性光耦對模擬信號進行隔離，普通光耦對數字信號進行隔離。 -
It might be of signal advantage to one, ignorant as i, to hear the opinions and experience of a master in the art.
象我這樣一個才疏學淺的人，要是能聆聽到精通此道的大師談談自己的風解和經驗，受益一定會不小的。 -
According to the request of this subject, we have developed the system hardware and software for the slave device and the inspection software running on the pc. in this paper all of the followings is illustrated detailedly, such as the research on the principles of measurement and its realization, three means of water - level measurement that are separately based on photo electricity coder, pressure sensor and potentiometer ; selection of the microchip, we choose an advanced integrated soc ( system on chip ) microchip c8051f021 as the main controller ; realization of signal sampling, processing and its conversion in the mcu ; application of high precision 16 bits adc cmos chip - - ad7705 in our system, designing its interface with the microchip and relevant program ; using a trickle charge timekeeping chip ds1302 in the system which can provide time norm and designing of its i / o interface and program ; additionally, a 4 ~ 20ma current output channel to provide system check - up using ad421. in the system, ad421, ad7705 and the microchip compose spi bus ; to communicate with the master pc, here we use two ways which are separately rs232 and rs485 ; moreover, there are alarm unit, keyboard unit, power supply inspection unit and voltage norm providing unit in the system
針對研製任務的要求，課題期間研製了下位機系統硬體和軟體，開發了上位機監控軟體，其中所作的具體工作包括：測量原理的研究和在系統中的實現，在本次設計中用三種方法來進行水位測量，分別是旋轉編碼器法、液位壓力傳感器法和可變電阻器法；主控晶元的選擇，我們選用了高集成度的混合信號系統級晶元c8051f021 ；實現了信號的採集和處理，包括信號的轉換和在單片機內的運算；高集成度16位模數轉換晶元ad7705在系統中的應用，我們完成了它與單片機的介面設計及程序編制任務；精確時鐘晶元ds1302在系統中的應用，在此，我們實現了用單片機的i o口與ds1302的連接和在軟體中對時序的模擬，該晶元的應用給整臺儀器提供了時間基準，方便了儀器的使用；另外，針對研製任務的要求，還給系統加上了一路4 20ma模擬信號電流環的輸出電路來提供系統監測，該部分的實現是通過採用ad421晶元來完成的，本設計中完成了ad421與單片機的spi介面任務，協調了它與ad7705晶元和單片機共同構成的spi總線系統的關系，並完成了程序設計；與上位機的通信介面設計，該部分通過兩種方法實現： rs232通信方式和rs485通信方式；系統設計方面還包括報警電路設計、操作鍵盤設計、電源監控電路設計、電壓基準電路的設計。 -
The purpose of this work is to use a single acoustic transducer to perform as a command master, which acts as several signal sources, to control the remote operation vehicle
本文主要在探討如何利用簡易之水下聲學設備來創建一套可靠之水下通訊及遙控裝置，以供水下載具使用；再結合網路遙控方法，使得網路的遙控與通訊的架構得以成型。 -
While this was doing, the master seeing some light colliers, who not able to ride out the storm, were oblig d to slip and run away to sea, and would come near us, ordered to fire a gun as a signal of distress
正當大家全力抽水時，船長發現有幾艘小煤船因經不起風浪，不得不隨風向海上飄去當他們從我們附近經過時，船長就下令放一槍，作為求救的信號。 -
The last, introduce the scheme of signal acquisition and process device based on master and slave machine
最後，根據系統聯調暴露的問題提出新的實時方案? ?基於上下位機的信號採集處理機。 -
The reconstruction project of shanghai metro line 1 is carried cut in accordance with the master plan of the south station, construction subsequence, signal reconstruction plan and vehicle operation organization
摘要介紹了上海軌道交通1號線上海南站站改建工程的總體設計方案、施工撥接計劃、施工順序、信號改造過渡方案、列車運行組織以及施工撥接的全過程。 -
Dolby master studio : this is targeted at high level users and supports 8 - channel 7. 1 audio with a signal - to - noise ratio of at leas 95
杜比大師工作室：這是針對高層次的用戶，並支持八聲道音頻7 . 1與信號雜訊比在租賃95 。 -
In this system, as master computer, pc can get signal that is send by slave computer, and by using pc, value of environment can be typed and inquired about
在該系統中， pc機作為上位機，它可以接受下位機系統傳輸過來的信號，並可以通過它列印和查詢下位機發送來的環境測量值。 -
The engineer and conductor were talking excitedly with a signal - man, whom the station - master at medicine bow, the next stopping place, had sent on before
他們正在和一個守路員激烈地爭論著，這個守路員是前面梅迪西彎車站的站長特地派來等這一趟火車的。 -
The features of pci local bus, signal definition, command definition, bus operation and the addendum of the pci local bus specification, revision2. 3 are introduced briefly at first. then the structure and function of plx pci 9656 pci bus mastering i / o accelerator are summarized including : pci 9656 ' s three data transfer modes ( direct master, direct slave, and dma ) and direct connection to three processor local bus types ( m mode, c mode. j mode )
在簡要介紹了pci總線的特點、 pci總線的信號、命令和操作規范、 pci總線的配置空間以及有關最新pci總線規范pci2 . 3里的一些新增和修改的內容之後，本文概述了plx公司的pci總線專用控制器pci9656結構和功能，並介紹了pci9656的發起者、從設備、 dma三種工作模式以及m 、 c 、 j三種局部總線介面方式。 -
The designed base - station and substation ( dolly controler ) both have infrared interface which can beam and receive infrared signal. by accreting the beaming power, one base - station can control 64 set of substations at mostthe base - station and master pc computer is connected with rs - 485 interface, this fullfils the demand of long - distance and high - speed commnication
通過增大發射功率，一臺基站最多可控制64臺從站。基站與上位pc機之間採用rs - 485介面進行通信，可以滿足遠距離高速通信的要求。 -
For every sensor, there are a signal amplifier, filter circuit and date processing microprocessor to constitute a sensor - based system. each sensor - based system are controlled and coordinated by a master single chip microprocessor system by means of interior communicating
針對每種參數的檢測傳感器，分別配用了相應的信號放大電路、濾波電路和檢測數據處理的專用單片機系統，使各個參數的檢測自成系統。 -
But the performance of the mimo system has deep relation with the properties of the multi - path signal in that environment, particularly affected by the correlation, the time spread and the azimuth spread of each path. therefore, in order to achieve potential huge capacity of the channel, gain prospective performance, choose appropriate system configurations and design excellent algorithms for signal processing, it is very important to realize and master the characteristics of channel in the indoor and the outdoor environment
而多入多出系統的性能，在很大程度上跟所處環境的多徑信號性質有關，特別與各條路徑之間的相關度、時延擴展和角度擴展有很大的關系，因此，了解和掌握戶內和戶外環境中無線多入多出通道的特徵，對實現潛在的巨大通道容量、取得預期的性能、選擇合適的系統結構和設計優良的信號處理演算法至關重要。 -
Locating with cell _ id based on ms : this kind of system can be called ms - autonomous - locating system or forward - link locating system in gsm network. the locating process is the ms working out it ' s geometry location comparing with several base stations ( their location is fixed ) based on received signal from them, then calculating the location by some kind of algorithms. therefore the user of the ms could master himself ' s location information
基於移動臺的cell _ id定位：這類系統也稱為移動臺自定位系統，在蜂窩網路中也叫做前向鏈路定位系統。其定位過程是由移動臺根據接收到的多個已知位置發射機發射信號攜帶的某種與移動臺位置有關的特徵信息來確定其與各發射機之間的幾何位置關系，再根據有關演算法對其自身位置進行定位估計，由移動臺用戶掌握其自身的位置信息。
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