signal n. 1.信號(hào),暗號(hào);信號(hào)器。 2.動(dòng)機(jī),導(dǎo)火線 (for)。 3.預(yù)兆,征象。 call signal 【無線電】呼號(hào)。 an alarm signal 警報(bào)(器)。 an information signal 〔美國(guó)〕暴風(fēng)警報(bào)(旗)。 an international code of signals 國(guó)際通用信號(hào)。 a signal of distress =a distress signal 船只失事信號(hào)。 adj. 1.暗號(hào)的,作信號(hào)用的。 2.顯著的,非常的,優(yōu)越的。 a signal victory [defeat] 大勝[敗]。 vt.,vi. (〔英國(guó)〕 -ll-) 發(fā)信號(hào)[警報(bào)]給(人、船等);用信號(hào)[警報(bào)]通知(暴風(fēng)、危險(xiǎn)等);用動(dòng)作[手勢(shì)]示意;預(yù)示。 a signaling bomb 信號(hào)彈。
Poor signal conversion can cause interface problems 不良的信轉(zhuǎn)換能引起界面問題。
D . analog - to - digital signals conversion technology . e 4模擬信號(hào)與數(shù)字信號(hào)間的轉(zhuǎn)換。
C . analog - to - digital signals conversion technology . d 3數(shù)字信號(hào)與模擬信號(hào)間的轉(zhuǎn)換技術(shù)。
Signal conversion processing 信號(hào)變換與處理
Proper analog / digital signal conversion is important if the computer system is to function accurately 正確的模擬/數(shù)字信號(hào)轉(zhuǎn)換對(duì)計(jì)算機(jī)是否準(zhǔn)確工作很重要。
In the course of exploiting the system hardware , we adopt the low frequency sine wave excitation technology whose frequency is alterable , and scheme out the new signal conversion & amplifying circuit , the new lcd circuit and the new system anti - interference circuit 在系統(tǒng)硬件電路的開發(fā)中,我們采用了頻率可調(diào)的低頻正弦波勵(lì)磁技術(shù),并設(shè)計(jì)出新穎的信號(hào)轉(zhuǎn)換放大電路、液晶顯示電路和系統(tǒng)抗干擾電路。
The flow - measuring system adopts the khafagi flume as the first sense organ to realize the flow / head signal conversion . the head signal is picked up and converted into voltage signal by the buoy - level mechanism and the magnet - resistant angle measuring sensor 該流量測(cè)量系統(tǒng)采用卡發(fā)基水槽作為一次敏感器件實(shí)現(xiàn)了流量水位的信號(hào)轉(zhuǎn)換,并通過浮子?杠桿測(cè)量機(jī)構(gòu)和磁阻式角度傳感器對(duì)水位信號(hào)進(jìn)行拾取并轉(zhuǎn)化為電壓信號(hào)輸出。
Based on the current signal from the proceeding stage , the first order - modulator designed could be simplified in the precondition of performance satisfaction , and it is good in accomplishing signal conversion and could be incorporated with the forestage bandgap circuit 根據(jù)前級(jí)溫度傳感電路的電流信號(hào),在滿足性能要求的前提下盡量簡(jiǎn)化電路,設(shè)計(jì)出的一階-調(diào)制電路不但很好地完成了信號(hào)轉(zhuǎn)換,而且更符合一體化結(jié)構(gòu)的要求。
This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal . it firstly used special central chip al300 , designed correlative circuits , successfully developed vga full - color fed console system , compatible with resolution 1280 1024 , achieved functions such as multi - video signal conversion and interleaving , met vga ’ s resolution of fed . it firstly designed and fabricated vga interface and separated video interface - - s - video , converting several video signals to 24 bits full - colored digital image signal in fed driving system , achieved separation of luminance signal and chromatism signal , enhanced the bandwidth of luminance signal 首次采用平板顯示專用控制芯片al300 ,設(shè)計(jì)并制作了相關(guān)配套電路,支持的最高分辨率是1280 1024 ,實(shí)現(xiàn)解隔行和多種視頻格式轉(zhuǎn)換的功能,滿足了fed顯示屏對(duì)vga分辨率的要求。首次在基于fpga的vga級(jí)彩色fed控制系統(tǒng)中設(shè)計(jì)并制作了vga接口和分離電視信號(hào)s - video接口,可以將多種視頻信號(hào)變換為fed驅(qū)動(dòng)系統(tǒng)可用的24位彩色數(shù)字圖像信號(hào),實(shí)現(xiàn)亮度信號(hào)和色差信號(hào)的分離,提高了亮度信號(hào)的帶寬。
This paper gives a comprehensive presentation about the fundamental of the flow - measuring method by flume , the design of khafagi flume and the buoy - level mechanism , the signal conversion by the angle measuring sensor and the deduce of the flow equation . it also introduces the hardware design , the development and emulation on software of the intelligent measuring meter in detail . the error of flow measurement is analyzed and calculated in the end either 本文對(duì)槽式流量測(cè)量的基本原理、卡發(fā)基槽和浮桿測(cè)量機(jī)構(gòu)的設(shè)計(jì)、角度傳感器的信號(hào)轉(zhuǎn)換以及流量計(jì)算公式的推導(dǎo)做了全面的闡述;詳細(xì)介紹了智能儀表應(yīng)用系統(tǒng)的硬件電路設(shè)計(jì)和應(yīng)用軟件的開發(fā)及仿真調(diào)試;最后對(duì)測(cè)量系統(tǒng)的各項(xiàng)誤差進(jìn)行了分析和計(jì)算。