檢測器信號 的英文怎麼說
中文拼音 [jiǎncèqìxìnháo]
檢測器信號
英文
detector signal- 檢 : Ⅰ動詞1 (查) check up; inspect; examine 2 (約束; 檢點) restrain oneself; be careful in one s c...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 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
- 號 : 號Ⅰ名1 (名稱) name 2 (別號; 字) assumed name; alternative name3 (商店) business house 4 (...
- 檢測器 : detector
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
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Chapter 3 discusses the modules used in the fh - mpsk and fh - / 4dqpsk systems. these modules include : duc / ddc ( digital up converter / digital down converter ), nyquist flitter, burst start detection, interpolation module, pll ( phase locked loop ), pll error extraction, initial phase correction and the coding and decoding for tcm
第三章主要討論了跳頻模式下fh - mpsk和fh - 4dqpsk系統中各個模塊的設計,這些模塊包括:上下變頻器、奈奎斯特濾波器、信號到達檢測、插值模塊、通用環路、各環路誤差提取方法、初始相位校正和tcm編譯碼。The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下: 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號,然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號,並提取目標的時差和多普勒頻率,再結合由天線獲得的目標方向等參數,就可以實現目標的定位和跟蹤。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。In the thesis, a signal processing scheme of polarization - insensitive fiber optic michelson interferometric magnetic sensor is described : making the interferometer work near the quadrature with closed loop controlling working point method, the fundamental frequency component of the magnetic field sensing signals can be detected to measure the input direct current ( dc ) magnetic field by phase sensitive demodulation
本文主要介紹了偏振無關光纖michelson干涉型微弱磁場傳感器信號處理的方案:通過閉環控制工作點演算法使干涉儀工作在正交工作點處,再利用相敏檢波演算法提取傳感器輸出信號的基頻分量,以測量直流磁場的大小。The synchro / resolver signal transmit & receive card is the most important and difficult part which used special a / d and d / a ( axis angle converter ) to make conversion between the analog singnals related to angle and its digital counterpart, thus solve the issue of stimulation and test of synchro / resolver signal , improved the test precision and automatic degree
其中同步器卡的開發是難點和重點,它採用特殊的數/模、模/數轉換器件?軸角轉換器,實現了角位-數字信號相互間的直接轉換,解決了隨動系統性能檢測中三相同步器信號激勵與同步器信號/分解器信號數字化檢測問題,有效提高了系統的自動化程度和檢測精度。Adopt advanced microprocessor for smart control, it is suitable for display and control temperature, humidity, pressure, liquid level, instantaneous flow, speed and so on in many physical quantity inspect signal, and can data - logging multi - channel measure signal
採用先進的微處理器進行智能控制,適用於溫度濕度壓力液位瞬時流量速度等多種物理量檢測信號的顯示控制,可巡迴檢測多路測量信號。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。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。The test samples injected into injection valve are brought into the column by mobile phase ; all ingredients are separated in the column and entered into the tester by order, chromatographic signals of which will be recorded by recorder, integrator or data processing system
注入進樣閥的供試品,由流動相帶入柱內,各成分在柱內被分離,並依次進入檢測器,由記錄儀、積分儀或數據處理系統記錄色譜信號。In the first part, the work has been done toward the development and fabrication of the instruments, and discussion about the signal sensing theories based on the fiber - optic mode - filtered light detection. 1. develop and fabricate the mode - filtered light sensing instruments
第一部分開展了儀器的開發和研製工作,以及基於光纖模式濾光檢測的信號傳感理論研究:一、開發和研製基於裸光纖體系和基於修飾光纖體系的模式濾光傳感裝置。The electrochemical proton gradient generated across the membrane is used by the cells for atp synthesis absorption of a photon by br initiates a catalytic cycle that leads to vectorial transport of a proton out of the cell
它的質子泵功能使br作為最有前途的光敏蛋白,應用在光電轉換器,信號儲存和光學檢測等多種方面。In principle, ultrasonic sensors are suspended over a road, which keep emitting pulse signals periodically to nearby and feed back waves to decide existence of any obstacles, thus to detect the speed, height, length, different sizes ( heavy, medium and small ) of moving vehicles and accumulative flow as well as length of motorcade. optionally, it can be applied to multitude driving lanes simultaneously for traffic data. by integrating and analyzing these measured data, the necessary figures concerning traffic flow may be obtained, which are fundamental basis guiding road buildings
本課題設計的是一種懸掛式超聲波車流多信息檢測器,通過懸掛于路面上方的超聲波探頭向路面周期性地發射脈沖信號,利用地面回波來判斷遮擋物地存在,可用於檢測行駛中的機動車車速、車高、車長、大中小分型以及累計車流量、車隊長度等信息,並可用於多個車道車流信息的同時檢測,綜合這些測量參數可獲得車流量的必要數據,可為公路建設提供必要的基礎依據。In the receiver, the tone is detected right off the discriminator before any audio processing and decoded allowing the receiver to unmute
在接收器一端,亞音頻檢測器在任何音頻處理前檢測音頻信號,如果可以翻譯出亞音頻信號,則允許接受機接觸靜音狀態。A resolution method in software is applied to calibrate zero point and full scale of the circuit. software approach to nonlinear correction for sensor and circuit is presented. therefore system error is eliminated, and measurement accuracy of temperature is improved. the signal of acidity electrode is detected by a differential amplifier circuit, which consists of operational amplifiers tlc2254 with high input impedance and low drift
採用橋路和單運放差動放大電路對溫度傳感器信號檢測放大,軟體校正溫度傳感器和測量電路的非線性,軟體校準測量電路的零點和滿度,消除測量電路的系統誤差,提高補償溫度的測量精度;採用高阻、低漂移運放tlc2254組成高阻差動放大電路用於酸度電極信號測量。The analysis of the weak signal circuit, amplifying circuit of the signal and power circuit in the thermal conductivity detector has been done, and the characteristic of the circuits with the rhenium tungsten filament is designed
針對氣相色譜熱導檢測器的弱信號失真和電源不穩定問題,研究與設計熱導檢測器的弱信號測量電路、信號放大電路以及電源電路。Firstly, in order to meet the requirement in application, the influencing factors for defocus measurement with one - way defocused detector are analyzed and the influencing regularity of detector position are discussed, after that the relationship between defocus errors and output signals is given too. according to the optimization results, the experimental device is established for this paper
首先,本文從工程應用角度出發,通過分析單向離焦檢測的誤差影響因素,討論了探測器位置誤差對測量的影響規律,給出了離焦量與測量信號的輸出關系,優化設計了檢測光學系統,搭建了實驗裝置。Design of a signal processing card for diode array detector and development of its virtual device driver
二極體陣列檢測器信號處理卡的研製及其虛擬設備驅動程序的開發So they are able to keep synchronous and processing concurrently. besides the high resolution ratio sensor, the tiny volt class constant power and 24 bit a / d converter which equipped microprocessor are used. the high accuracy amplifier and low - pass filter circuit were designed to deal with the signals
為保證各傳感器檢測的信號具有足夠高的解析度,採用了微伏級高精度穩壓電電源和具有微處理器的24位a d轉換器ads1211 ,並設計了相應的高精度信號放大器和低通濾波器。Because of the difficulty to obtain the traffic flow information of lanes at non - detector intersections in most metropolises of the world, based on the relationships between the lanes of signal - controlled intersections, cluster analysis and stepwise regression are integrated to predict the traffic volume of lanes at non - detector isolated controlled intersections. first cluster analysis is used to cluster the lanes of non - detector isolated signal - controlled intersections and the lanes of all signal - controlled intersections with detectors. then, by the results of cluster analysis, the traffic volume samples are selected randomly and stepwise regression is used to predict the traffic volume of lanes at non - detector isolated signal - controlled intersections. the method is tested by the traffic volume data of lanes of the road network of nanjing city. the problem of predicting the traffic volume of lanes at non - detector isolated signal - controlled intersections was resolved and can be widely used in urban traffic flow guidance and urban traffic control in cities without enough intersections equipped with detectors
針對目前國內外大中城市中普遍存在的無檢測器信號交叉口車道交通流信息難于獲取的情況,基於信號控制交叉口車道之間的相關性,綜合應用聚類分析和逐步回歸法預測單點無檢測器信號控制交叉口車道流量.首先應用聚類分析將單點無檢測器信號控制交叉口的車道與有檢測器信號控制交叉口的車道交通流量進行聚類,然後在聚類分析結果的基礎上隨機選取車道交通流量樣本運用逐步回歸法預測單點無檢測器信號控制交叉口的車道流量,此方法經過南京市的具體車道流量數據驗證.此類問題的解決,可廣泛應用於城市交通流誘導系統以及交通控制系統分享友人