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(wú)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。
Information fusion wiener signal filter 方程的多通道最優(yōu)去卷濾波器
Application of correlation algorithm based on multiresolution analysis in signal filtering 基于多分辨率分析的相關(guān)算法在信號(hào)濾波中的應(yīng)用
In this thesis the researches on signal filtering are nicely done in both hardware and software 另外,本論文還從硬件和軟件兩方面對(duì)試井過(guò)程中常用的信號(hào)濾波方法作了較詳細(xì)的研究。
On the aspect of signal filtering of hrg, the forward linear prediction ( flp ) filtering method is introduced first 在通過(guò)陀螺信號(hào)濾波提高半球諧振陀螺精度方面,本文引入了flp濾波方法。
Some researches are made on the principle of well logging technology, measuring methods and the theory of signal filtering usually used on well logging technology 研究了測(cè)井技術(shù)的原理和測(cè)量方法,并對(duì)測(cè)井中常用的濾波方法作了研究。
Some researches are made on the principle of well logging technology, measuring methods and the theory of signal filtering usually used on well logging technology 研究了試井技術(shù)的原理和測(cè)量方法,并對(duì)試井中常用的濾波方法作了研究。
Finally, this paper brings forward to the betterment means for making sensor probe . the circuit of signal procession module are introduced . it expounds the important parts, for example, design of oscillatory, design of demodulation circuit, design of signal filter circuit 介紹了研制的傳感器信號(hào)處理模塊電路,對(duì)電路中的重要部分如:高穩(wěn)振蕩源的設(shè)計(jì)、檢波電路設(shè)計(jì)、濾波電路設(shè)計(jì)等都有詳細(xì)說(shuō)明。
Secondly, we simulate the transmission process in computer, calculate the optical-signal-to-noise-ratio ( osnr ) of output signal with the same input signal filtered by the ofbg, matched filter and f-p filter, analyze the improvement of the osnr after filtered by them . we find it also has advantage over f-p filter . taking the two reasons into account, we believe that the weak ofbg is superior to the widely used f-p filter 另外用計(jì)算機(jī)模擬計(jì)算了光信噪比的改善情況,研究發(fā)現(xiàn):一個(gè)相同的噪聲信號(hào)經(jīng)弱ofbg后的光信噪比較經(jīng)過(guò)f-p濾波器后的光信噪比高,由此認(rèn)為,ofbg用作光濾波器對(duì)接收端前置光放大器的噪聲進(jìn)行濾波,比常用f-p光濾波器具有更大的優(yōu)越性。
Associated with the military project " high speed arbitrary waveform generator ( awg ) module ", this thesis focuses on the designing methodology of analog channel of the awg developed by uestc . signal filtering, amplitude and offset controlling, square wave and modulating wave's generating are studied in detail and corresponding circuit implementation are developed 本文結(jié)合電子科技大學(xué)承擔(dān)的軍用型號(hào)項(xiàng)目“vxi任意波形發(fā)生器es14v21”,展開對(duì)任意波形發(fā)生器模擬通道設(shè)計(jì)技術(shù)的研究,詳細(xì)討論了信號(hào)的濾波、放大、衰減、加偏處理以及方波和調(diào)幅波的產(chǎn)生方式,并設(shè)計(jì)了具體電路。
In the design of the circuit of hardware, the paper choose the suitable signal sensor, rationally designing the signal enlarging circuit by programme-controlled and signal filter circuit designing the sampling at datas / retaining circuit and hardware communications based on rs-485 network . combining with software-controlled it select the integrated gathering-card of a / d datas of the high accuracy for the 12th precision, which simplify software programmings and have higher flexibility and can extensible 在硬件電路的實(shí)現(xiàn)上,選擇了合適的信號(hào)傳感器:合理設(shè)計(jì)了信號(hào)程控放大電路和濾波電路;數(shù)據(jù)采樣保持電路和現(xiàn)場(chǎng)基于rs-485網(wǎng)絡(luò)結(jié)構(gòu)的硬件通信系統(tǒng);結(jié)合軟件控制選用了12位高精度的ad集成數(shù)據(jù)采集卡,使軟件編程簡(jiǎn)化且具有較高的靈活性和可擴(kuò)展性。