計數檢測器 的英文怎麼說
中文拼音 [jìshǔjiǎncèqì]
計數檢測器
英文
count detector- 計 : Ⅰ動詞1 (計算) count; compute; calculate; number 2 (設想; 打算) plan; plot Ⅱ名詞1 (測量或計算...
- 數 : 數副詞(屢次) frequently; repeatedly
- 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
- 計數 : count; tally; counting計數卡 numbered card
- 檢測器 : detector
- 檢測 : check; detection; test; gauging; detecting; sensing; [工業] checkout; measuring
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At the same time, the parameter monitoring circuit is designed to check the operational parameters of pharos that include voltage of power supply, operational current, based on lm339 voltage comparer, optical sensor and logical circuit
以lm339電壓比較器為核心,結合光傳感器、邏輯電路等,設計出參數檢測電路,監測航標燈的電源電壓、工作電流等工作參數。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。Do some necessary calculations and decide on the general scheme of compton back - scattering imaging scanner to the real wall inspection. include the selection of radioactive source, the calculation of compton back - scattering beam, the calculation of the basic condition of finding out the different materials and the determination of some important parameters as well. 3
其主要內容包括入射源的選擇,散射粒子的理論計算,發現異物的最低條件計算以及系統的一些重要參數的確定,主要包括:放射源的選擇,散射角的確定,后準直器的形狀與尺寸,前準直器的尺寸,前準直孔的大小,檢測器的種類與型號,檢測器的效率等。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 basic idea of this method is to produce particles from the posterior densities, and these weighted samples provide approximations to the densities. in this dissertation, sequential monte carlo method and its applications in communication are investigated. firstly, its basic idea, method and improved method are introduced, then induce the bound of particles, which determines the performance of the system, and the more particles are chosen, the higher computation is done, finally, a new detector based on new importance function is proposed, which deals with the joint channel estimation and detection in flat fading channels
首先介紹了它的基本思想、基本方法、及當前研究現狀;在此基礎上推導出樣本數選擇的界,樣本數的選擇決定了系統的性能,但是若選的太多,計算復雜度也會隨之增大,因而給出這個界是十分有意義的;最後提出了一種基於新的重要函數的檢測器用來解決平坦衰落通道下的聯合通道估計和檢測問題,並通過模擬證明了我們提出的新檢測器的有效性。Di - on electrics service and products cover the power electric field including power generation transmission distribution, power equipment manufacturing, subway, utilites, ac dc metrology field as well, more than 500 units of electric power utilities and stations such as beijing power supply bureau, guangzhou power supply bureau, baosteel, three gorges power station and more manufacturers like siemens, abb, alstom, bicc, pirelii, toshiba and more and 30 units of metrology institutes in china like nim, tsinghua university and more are our user. di - on electric is sole and exclusive distributor for numerous famous companies like transinor doble norway, measurements international canada, ndb canada, schuetz germany, aan germany, dr. strauss germany and etc, taking care of their business and service in p. r. china including hongkong
絕大多數員工擁有本科和研究生以上學歷,在電力系統和計量系統工作多年,從事電力檢測帶電監測和計量測試儀器的技術服務和市場銷售工作長達10年以上,為約500多家電力工業系統的發供電部門如北京供電局,廣州電力局,深圳供電局,三峽電廠,廣州抽水蓄能電廠,田灣核電站等等,科研調試部門如廣東省電力試驗研究所,湖北省電力試驗研究所等等與設備生產廠如siemens , abb , alstom , toshiba等等提供了國際最先進可靠的測試技術和儀器設備為約30多家國內二級以上相關計量科研院所,包括國家計量院,清華大學,中國運載火箭研究院,空間技術研究院,航天二院,成飛,西飛和各省市計量院,電力試驗研究院所等提供了大量最先進可靠的計量檢測儀器。A linear relation can be found between response value of ultraviolet absorption detector, fluorescence detector, electrochemical detector and refractive index detector and quality of the object under test ; however, relation between response value of evaporative light - scattering detector and quality of the object under test is usually not a linear one, therefore, mathematical conversion of response value should be made before making calculation when necessary
紫外、熒光、電化學和示差折光檢測器的響應值與待測物的質量呈線性關系,但蒸發光散射檢測器響應值與待測物的質量通常並不呈線性關系,必要時需對響應值進行數學轉換后進行計算。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。At the present time the prediction method of attracting pest with black light and recognizing and counting by man is generally adopted. there are some serious shortages such as bad recognition accuracy and low efficiency. it reduces seriously accuracy and timeliness of prediction and is disadvantage in guiding insect disease prevention
目前普遍採用的黑光燈誘集害蟲、人工識別計數的測報方法,存在識別準確性差、效率低等嚴重缺陷,極大地降低了測報的準確度和時效性,不利於指導農田害蟲的防治工作,因此本文提出了基於機器視覺和小波分析的圖像識別技術,用於農田害蟲的自動檢測預報。Although there are many literatures describing ultrasonic detector for traffic flows, none of the same category has referred the techniques applied in the design herein such as multi - sensor construction, automatically establishing datum line regardless of suspension height, digital filtering and multi - lane detection as well as measuring length of motorcade
目前有關超聲波車流檢測器的文獻較多,但本設計中採用的多探頭結構、自動標定超聲波探頭的架設高度、數據濾波以及多車道測量和檢測車隊長度等技術在同類設計中未見使用。The detector of intelligent oxygen analyzer based on zirconia mentioned in this paper has a lot of characteristics such as easy maintenance and long life. the controller combines temperature control, digital display, analog output, temperature calibration, high temperature protection and other functions together,
本文設計的智能型氧化鋯氧量儀的檢測器具有維護方便、使用壽命長的特點;其控制器集溫度控制、數字顯示、模擬輸出、溫度修正和超溫保護等功能為一體,具有高精度數字顯示的模擬輸出功能。The count demodulator design of underwater active acoustic detecting device based on cpld
的水中主動聲探測儀計數檢波器設計In the paper, the design of the real - time test system for crystal parameters is presented. the signal generator of sweep frequency based on dds device ad9852, the signal measuring circuit based on gain and phase detector ad8302, and the real - time control and deal circuit based on tms320vc5416 and the design of high - speed printed digital & analog circuit board are discussed in details
本文闡述了晶振實時測量系統的設計,介紹了以dds晶元ad9852為核心的掃頻信號源電路,以增益相位檢測器ad8302為核心的信號檢測電路,以dsp晶元tms320vc5416為核心的實時控制與運算電路,以及高速數模混合電路板的設計方法。The system composition structure includes 8031 single chip computer, signal test ( count sensor and speed sensor ), electrical interfaces ( amplification shaping circuit, drive, relay, 8155 parallel i / o, 8279 keyboard display, d / a converter ) and executive mechanism ( electromagnet and electromotor )
系統組成結構由8031單片機、信號檢測(計數傳感器和測速傳感器) 、電氣介面(放大整形電路、驅動介面、繼電器介面、 8155并行i o介面、 8279鍵盤顯示器介面和d a轉換介面) 、執行機構(電磁鐵和電機)組成。The main content includes exponent comparator, leading zeros detector and leading zeros anticipatory logic, while leading zeros anticipatory logic is the core
主要內容包括:指數比較器設計、前導零檢測器和前導零預測邏輯,而前導零預測邏輯是本文的核心。Instead of using a thermometer to take our temperature, maybe we will have sensors implanted in our bodies that will be read by a personal health care monitor
我們也許會帶有植入體內的傳感器,可以由個人健康檢測器據此讀出數據,無需用體溫計來測量我們的體溫。The optimum multiuser detection can obtain the best bit error rate theoretice. but its computing complexity increases with the number of users exponentially and belongs to np maturity problem. so much research fasten on the multiuser detection with low computing complexity. cdma multiuser detection is in fact a combination optimize problem
基於最大似然準則的最佳多用戶檢測器在理論上可以獲得最小的誤碼率,提供最佳的檢測性能,但其計算復雜度隨用戶數呈指數增長,屬于np完備問題,因此大量的研究集中於發展計算復雜度較低的次最佳多用戶檢測器,使其具有合理的計算復雜度。Chapter 7 introduces and analyzes some timing error detection and feed - forward timing recovery algorithms for gmsk signal. the auto - correlation method is improved by using a post - filter. simulation results show that the improved method has better estimation accuracy
首先分析比較了常見的gmsk符號同步的定時誤差檢測器演算法和前向定時參數估計演算法,並用后濾波的方法對定時參數估計的自相關法提出了改進,提高了演算法的估計精度。Permanent magnet bushless motor sensorless control system based on dsp
基於數字信號處理器永磁無刷電機無位置檢測器控制系統設計In particular, the cfar detection under nonhomogeneous backgrounds are summarized and analyzed in some details. using the numerical performance simulation results, the performance of mean level ( ml ), order statistic ( os ) and trimmed mean ( tm ) type cfar detectors are analyzed and compared in varies conditions. for the proportion of practical application and further development of radar cfar techniques, we have summarized the performance characteristics of these detectors
主要工作概括起來有以下幾個方面: ( 1 )對現有雷達cfar檢測技術,特別是非均勻環境下的cfar檢測技術進行全面的總結與分析,利用數值分析與性能模擬方法,從不同的角度對各種均值( ml )類、統計排序( os )類和削減平均( tm )類cfar檢測器進行理論分析和性能比較,並總結各種檢測器的規律與特點,為今後的實際應用和研究新的cfar檢測技術提供準備。分享友人