signal detector 中文意思是什麼
signal detector
解釋
信號檢測器-
The output signal from the detector may be the blackening of a photographic emulsion.
探測器的輸出信號可以是照相乳膠的黑度。 -
Measurement method of the error of signal amplitute for ultrasonic flaw detector
超聲探傷信號幅度誤差測量方法 -
Measurement method of the error of signal amplitute for eddy current flaw detector
渦流探傷信號幅度誤差測量方法 -
The concept of irradiance signal - to - noise ratio ( snr ) on the target plane and the minimum of the irradiance that can be detected by the detector was taken as the beginning, combined with a thorough analysis of the spectrum radiating feature of the target and the sky background, the atmosphere conditions, spectral filtering and the influence that the various components in the system have on the target irradiance on the detector ' s target plane and the background irradiance snr, the equation of the flying bomb ' s effect range affected by the point of burst measuring system is made, and all related factors that have an impact on the effect range are analyzed as well
從探測器靶面上輻照度信噪比的概念、探測器的可探測輻照度最小值出發，在詳細分析目標、天空背景的光譜輻射特性、大氣條件、光譜濾波技術以及系統各環節對探測器靶面上目標與背景輻照度信噪比的影響的基礎上，推導了炸點測量系統對爆炸的飛行彈體的作用距離方程，分析了影響作用距離的諸因素。 -
Hi this thesis, the technique of detector array is used to obtain the location of anomalous infrasound, it is the basic of the study of prediction of earthquake. to derive useful information by using spectrum analysis on infrasonic signal. then combing with other methods a forecast could be made
本課題主要是利用數字技術，採用用傳感器陣列計算異常次聲波波源的方位，這是今後預測震中位置研究的前提；並對次聲信號進行頻譜分析，提取有用的關于臨震次聲方面的信息，再結合其他的預報方法，作出準確的地震預報。 -
2, the bearings production and processing equipment signal processing equipment, bearing cleaning equipment, packaging equipment bearings, the bearings production equipment, round instrument, blank processing equipment, double - end grinders, electric spindle and wheel grinding oilstone and other materials, printers marking machine measuring instrument, spherical roller processing equipment, raceway - seiki, roughness measuring instrument, the finish detector converter, hardness needle - sorting machine and new materials, lubricants, preservatives, cleaning agents, testing instruments
2軸承生產加工設備球加工設備軸承清洗設備軸承包裝設備軸承生產設備圓度儀毛坯加工設備雙端面磨床電主軸砂輪油石及其他研磨材料印字打標機加工測量儀球面滾子加工設備滾道超精機粗糙度測量儀光潔度檢測儀變頻器硬度針分選機及新型材料潤滑劑防腐劑清潔劑測試儀器等。 -
The apparatus uses 880, 950nm nir led as light source, interference filter as homochromy device, si photronic as detector. digital signal comes from ad transformation, processed by microprocessor system
以880 、 950nm的近紅外led為光源， 14個窄帶干涉濾光片為單色器，以硅光電池為檢測器，經ad轉換得到數字信號，送單片機處理。 -
In the part of detector, it mainly introduces the design of liquor tubes, heater, pressurize, and thermocouple ; in the part of controller, this design uses tms320lf2407 as the cpu. the design part mainly introduces controller circuit design which mainly contains data collection circuit, prepositive magnifying circuit, a / d convert circuit, failure self - diagnosis circuit, the tms320lf2407 interface circuit, temperature control circuit, display circuit, 4 ~ 20ma standard signal output circuit ; in the software part, it mainly introduces software chart of main program and partly linearization subprogram design
檢測器部分重點介紹了導流管的設計、加熱器的設計、密封技術的設計以及測溫電路的設計;控制器部分以tms320lf2407為核心，重點介紹了控制器電路設計，主要包括數據選擇電路、前置放大電路、 a / d轉換電路、故障自診斷電路、 tms320lf2407介面電路、控溫電路、顯示電路、 4 20ma標準信號輸出電路共八個部分;軟體設計重點介紹了主程序軟體設計及分段線性化子程序設計。 -
During the course of the manufacture for packaging 2000 pixel hgcdte irfpa wafer, some crucial techniques are solved, such as the design of the button stem structures with inclined dragging wires applied in cryogenic platform, the optimization of long linear irfpa detector ' s signal wires layouts, the implement of a fanout board having thin film gold metalization for defining the required electrical conductors and a method of hermetically sealed vacuum enclosure of large dimension windows, etc
在用於封裝2000元碲鎘汞焦平面晶元的分置式微型杜瓦研製中，詳細闡明了一種焦平面晶元其裝載面為斜拉式支撐結構的設計，實現了探測器外引功能線的布線優化及其輸出引線工藝改進，並提出了一種大尺寸高氣密光學窗口的焊接方法等關鍵技術。 -
Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method
其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。 -
When the neutron decay constant is measured in the zero power assembly, the dt external neutron measurement system ( scintillator photomultiplier tube detector st - pmt ) may provide trigger - signal and time correlationship
摘要在零功率堆上進行了衰變常數測量實驗中，建立外中子源dt中子測量系統可以為物理診斷系統提供觸發信號和時間關聯信號。 -
Firstly, a system was developed in functions to collect infrasound data, to transform analog voltage signal from detector into discrete signal by a / d card and to process the data by using methods of digital signal process
首先設計一套數據採集系統，次聲波信號通過傳感器被轉換成模擬電壓信號，通過a d板將其轉換為離散的數字序列，輸入計算機。利用數字信號處理的原理和方法對異常次聲信號進行分析處理。 -
Then we introduce the character of the atmosphere channel, which we emphasized on the atmosphere scatter, absorption and scintillation ' s effect on the laser beam. in chapter, we explain why we used cassegrain telescope to collect the optical signal at first, then the lightsource, detector, front amplifier used in optical communication has been compared to that of fiber communication, the noise including shot noise, thermal noise and background light noise has been explained here for analysis the snr and ber in the next section
在第三章介紹無線光接入系統的光收發單元，採用多孔徑卡塞格倫式的收發天線對消除減小大氣湍流影響有較大作用，針對大氣通道的特點無線光系統收發單元在光源、光探測器、前置放大電路上存在許多有別于光纖通信的技術，同時還闡述了光接收機包括背景噪聲的噪聲機制和接收靈敏度、誤碼率等指標，最後給出了一個整個傳送鏈路的功率預算。 -
The output of the detector is the video-signal proper, with a 2-volt swing.
檢波器的輸出是相應的視頻信號、擺幅為2伏。 -
Once has the bandits and thieves to intrude guards against the place, the detector launches the wireless coded signal immediately, the networking center number which installs when is apart from defense area 150 meter within the main engine to send out the police whistle sound to report to the police immediately, reports to the police dials to establish in advance or reports to the police the telephone, the handset number, answers in the police telephone to return puts user pre - record to report to the police the pronunciation, long - distance reports to the police, simultaneously comes the real - time transmission through the internet to deploy troops for defense, to withdraw from a defended position, to report to the police and so on the condition, inquires the historic record through the computer network
該系統還採用美國進口原裝晶元與先進的無線數字高頻技術微電腦cpu控制器主機組成。在防範地點安裝好主機后，並設置在布防狀態。一旦有盜賊闖入防範地點，探測器立刻發射無線編碼信號，安裝在距防區150米以內的主機立即發出警笛聲報警，報警時撥打預先設定的聯網中心號碼或報警電話手機號碼，接警電話里回放用戶預錄的報警語音，遠程報警，同時通過網際網路來實時傳遞布防撤防報警等狀態，通過電腦網路來查詢歷史記錄。 -
The rotor position detector also gives speed signal for adjusting phase current, which is often realized by pwm chopper
另外，轉子位置檢測器還提供轉速信號給pwm斬波器，以調節電機的轉速。 -
It " s function is to receive laser signal and to sent out the electric signal ; the second is the monolithic processor system. this part function is to pick up the electric signal sent by ccd detector and to compute the digital signal to get the data where the laser beamed, then sent the data to pc computer ; the third part is the control interface for people to control whole measurement process
本文介紹的桁架梁撓度實時檢測的電荷耦合（ ccd ）測量系統由ccd接收系統，單片機測量系統和pc機測量軟體三部分組成。該系統採用線陣ccd為傳感器，以8031為控制核心，在單片機系統和pc機軟體之間建立了可靠的通信，能在比較惡劣的條件下獲取、顯示、存儲、處理和比較桁架的撓度值。 -
In the fourth chapter, we presented the mmse soft interference cancellation detector as the signal detector, and proposed an effective transmit power allocation scheme to improve the performance of mimo - ofdm system. if ldpc channel coding is applied, we can find the performance can be improved about 1db when ber is 10 - 6
通過採用預編碼的技術能夠極大地簡化接收機的復雜度，因此在第五章中首先介紹了預編碼技術在無線多用戶mimo系統中的應用，並著重討論了當前引起廣泛關注的thp預編碼技術。 -
Cue signal detector
提示信號檢測器 -
4. the wideband active signal detector is presented and simulation is given. the result proves this detector is efficient, and that non - rectangle enveloped hfm signal is the optimal detection signal
給出了寬帶主動信號檢測器的形式，並進行了模擬研究，證明寬帶檢測器的有效性，同時驗證了非矩形包絡雙曲調頻信號為最佳檢測信號。
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