脈沖比較器 的英文怎麼說
中文拼音 [màichōngbǐjiàoqì]
脈沖比較器
英文
pulse comparator- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 比 : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
- 較 : Ⅰ動詞1 (比較) compare 2 [書面語] (計較) dispute Ⅱ副詞(比較) comparatively; relatively; fair...
- 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
- 比較 : 1 (對比) compare; compare with; contrast; parallel (with); comparison; by comparison; in comp...
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In the sub block circuit design, the contents that the author had introduced include : the principle of band gap voltage reference and the design technique in low power supply ; the analysis of spike pulse noise rejection, frequency divider and dead time in oscillator and control circuit ; the selection of the width and length ratio of four switches and 2x / 1x mode change point in driver and mode selection circuits
在子電路設計中,作者比較深入分析的內容有:基準電路的原理及低電源電壓下基準電路的設計;振蕩器和控制電路中尖峰脈沖噪聲抑制、兩分頻電路及死區時間設定;驅動及模式選擇電路中開關管的寬長比的選擇及模式轉換點的設計。The master dissertation introduces passive correlative orientation system and base theory in signal dispose briefly in the first place. the system takes tv sound fm signal from tv satation signal. the power rate of tv station signal to sound signal is ten to one. in the case of submerged by mussy weave and machine ' s hot noise, dispersed target signal is feeble
系統採用電臺的電視伴音調頻信號,其中電臺信號與伴音信號功率之比基本為10 : 1 ,並且目標散射信號較弱,一般情況下淹沒在雜波和機器熱噪聲之下,採用常規的脈沖檢測方法很難對遠距離的目標進行檢測,而以電臺直達信號作為參考與目標回波信號進行相關檢測;系統中信號的相關處理會產生旁瓣,而強目標的旁瓣會影響附近的弱目標檢測。At the same time the effection of some important recombinations are discussed and the relation of photoconduction versus time is given. in chapter 4, auston circuit, blumlein pulse forming line, multiplier of pulse forming line are introduced and give their differentiates
在第四章中,分析各種以光導開關為核心器件的電脈沖成形電路: auston電路、 blumlein脈沖成形線、層疊線倍壓器,對其輸出轉換效率進行比較,並進行實驗研究。Focusing on the tactical index of ew system - bearing accuracy, this article makes deep - through analysis, comparison and study of the theory basis for traditional direction finding method. a 16 - channel monopulse amplitude - comparison direction finding method and new phase - delay estimating method has been proposed to use, through computer ' s analog computation and relative measures in actual engineering practices, the bearing accuracy of traditional method has been increased and the service requirement of the ew weapon system and adaptability of equipment satisfied
本文圍繞著電子戰武器系統的戰術技術指標?測向精度,對傳統的測向方法的理論基礎進行了深入的分析、比較和研究,提出了採用16通道單脈沖比幅測向體制和新的相位延時估算方法,通過計算機的模擬摸擬計算,以及在實際的工程實現中採取的相關措施,解決了採用傳統的測向方法提高測向精度,滿足電子戰武器系統的戰術技術指標要求和裝備的適裝性。An intensity modulated fiber optic micro - accelerometer with a digitally feedback circuit is designed. this sensor employs a graded index lens with a reflective coating on one end and measures the relative displacement between the lens and a pair of optical fibers
在本系統中設計了脈沖數字式再平衡迴路,使得該微型光纖加速度傳感器和一般的光纖傳感器相比,又具有動、靜態性能較好,精度、穩定性較高等優點。2 、 the influence to the quality of array ccd camera under the irradiation of cw and pulse laser was investigated experimentally. the result of experiment shows that the ccd easily damaged by pulse laser to cw laser. the thresholds of ka - 320 model ccd saturation and sub - damage were measured
2 、系統地開展了脈沖與連續激光干擾面陣ccd光電探測器實驗,實驗證實:與連續激光相比,脈沖激光僅需較低的能量即可將ccd破壞,得到在破壞面陣ccd探測器方面脈沖激光優于連續激光的結論。Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control
本文結合相關技術的介紹和分析,描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現,此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備,該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能,同時該設備的驅動程序基於wdm模式,並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面,能夠方便地運行在windows98 / 2000 / xp操作系統平臺上,具有實時性強、工作穩定、通用性較好和性價比高等特點。The tests of e - o applications by our flux ktp has been realized, the results showed : optical waveguides fabricated by using an ion - exchange process, which have an exchange - ion concentration depth profile and refractive - index profile, is close to a complementary error - function distribution, optical homogeneity and device thermal stability is much better. amplitude modulation switch formed by our flux ktp has the contrast ratio of 150 : 1 and insert loss is 2. 5 % at 1064 nm. high quality optical pulse with 1 ns width was cut successfully by using an e - o modulator from a laser pulse with 50 ns width, this modulator had run for three years, and the crystal did n ' t blackened, it showed our low conductivity flux ktp can endure high modulation voltage for a very long time
Ktp晶體的電光應用試驗表明:用離子交換法製作的電光波導,其離子交換濃度、折射率變化符合餘弦誤差函數,光學均勻性以及器件的溫度穩定性較好;製作的強度調制電光開關,消光比為150 : 1 ,對1064nm激光的插入損耗為2 . 5 ;製作的電光調制器用於激光脈沖整形試驗,從脈沖寬度50ns的激光脈沖削出脈寬1ns的高質量光脈沖,該電光開關經過長達三年多的使用,沒有出現晶體變黑現象,說明本實驗的低電導率ktp晶體能夠耐受長時間的調制電壓。The change of transformer ’ s output voltage with coupling coefficient is analyzed. the calculated formulas for parameters of air - core and part - magnetic - core pulse transformer are deduced based on electromagnetic theory. comparing with past formulas for calculated the parameters of the transformer, this formulas is more accurate to reckon the parameters of transformer
首先從理論上分析了提高耦合系數對變壓器輸出電壓的影響,推導了高功率帶繞式空芯和部分磁芯脈沖變壓器的電感及耦合系數的計算公式,並與已有的方法進行比較,經實驗驗證,本文推導的方法能夠較準確地計算帶繞式空芯脈沖變壓器的參數。With advantages of simple and reliable in structure, high isp and easy control over a wide range of thrust, pulsed plasma thruster ( ppt ) is very suitable for micro - satellite ' s orbit control and high precision attitude control
脈沖等離子體推力器( ppt )具有結構簡單可靠,比沖高,推力在較大范圍可控的特點,適合用於微、小衛星軌道控制和小衛星高精度姿態控制,其研究和應用得到了重視。In chapter 4, we design a new conductivity detector for ion chromatography. the square wave is used as stimulating signal and the sampling is triggered by synchronization pulse at suitable time. by using these measures, the effects of doublelayer capacitance and polarization on the measurement are eliminated and the accuracy is improved
摘要第四章介紹了一種新型的以方波激勵脈沖采樣為原理的二電極電導檢測器,這種電導檢測器採用了方波為激勵信號,在適當時刻用同步脈沖觸發采樣,從而在較大程度上克服雙層電容和極化的影響,且在結構設計上比目前國內常用的五電極電導池簡單。On the base of comparing many kinds magnetic material, the amorphous iron material is acted as magnetic core of high power spiral strip pulse transformer
通過比較各種磁芯材料的性能,最終選用鐵基非晶態材料作為高功率帶繞式脈沖變壓器的磁芯材料。Impulse wave has been examed on high speed wide frequency spectrum oscillograph, we have a satisfaction result on amplitude, shape, and shot time duration
發射電路經過高速寬帶示波器的輸出測試,得到了比較理想波形和幅度以及納秒級寬度的窄脈沖。Melp vocoders utilize mixed pulse and noise as the excitation to elimate the buzzes in traditional lpc vocoders, and add a jitter voicing state to overcome the tonal noise. parameters " interpolation, adaptive spectrum enhancement and pulse dispersion also are adopted to improve the continuity. the synthetic speech of melp vocoders sound much more natural and perceivable than the traditional vocoders "
Melp聲碼器採用混合脈沖和噪聲激勵解決了經典lpc的嗡嗡聲的問題;引入了抖動濁音狀態以克服音調噪聲;利用參數插值、脈沖散布和自適應譜增強等措施提高合成語音的自然度和可懂度;此外還採用了多帶激勵,使其具有了比較強的抗背景噪聲的性能。Through analysis and comparison of formation mechanisms for slagging and fouling on beating surfaces of coal - fired boilers, as well as experiences of applying steam sootblowers, hydraulic sootblowers, and fuel - gas pulsating sootblowers on boiler no. 6 in dezhou power plant, in has pointed selected type of sootblowers should be directed against the fouling property and soot cleaning requirements of different heating surfaces in the large - scale coalfired boiler
摘要通過對蒸汽吹灰器、水力吹灰器、燃氣脈沖吹灰器在德州電廠6號爐應用結果的分析比較,指出大型燃煤鍋爐應根據不同受熱面的積灰特點及清灰需要,有針對性的選擇吹灰器類型。In order to get data, the plane use the way of comparative between the black line and white line. the device is composed of the pulse producer, system controller, signal processor, logic analyzer, interface circuit and electrical machinery driver. this device could follow the tracks of the plane graphic border automatically
跟蹤裝置運用黑白交界圖線比較法取得數據,由步進脈沖發生器,系統控制器,信號處理器,邏輯判別器,介面電路,電機驅動器等組成,可對平面圖形邊界進行自動跟蹤控制。The goal of the filter is to improve the sensitivity of an optical receiver by optimally filtering a communication signal. in this paper we calculated the temporal response of the matched filter, the commonly used f - p filter, as well as the matched weak ofbg filter. we find that the reflected pulse of weak ofbg closely resembles the triangular shape characteristic of a perfectly matched filter
論文計算了通信系統中矩形光脈沖信號經強、弱ofbg 、匹配光濾波器、 f - p濾波器的輸出光脈沖波形,經分析比較后發現:弱ofbg和理想匹配光濾波器的輸出信號波形極其相似,不存在碼間干擾,而f - p濾波器的輸出波形存在比較嚴重的碼間干擾。In this dissertation, several technology problems of pulse trains deintrleaving algorithms are dealt with, they are presorting techniques based on coherent processor, probabilistic neural network deinterleavers, adaptive data association methods for pulse trains analysis and deinterleaving, signal processor designing issues. the research is focused on real time processing. the coherent processor is a crucial technique for real time presorting
本論文研究高密度復雜信號下的脈沖列去交錯技術的若干問題,包括基於關聯比較器的信號預分選技術研究;概率神經網路脈沖去交錯器的研究與設計;卡爾曼濾波和概率數據關聯方法用於脈沖列分析和去交錯;雷達截獲系統信號處理器設計等等。The intracavity photon density and initial population inversion density are assumed to be gaussian distributions instead of plan wave assumption, based on this assumption, the rate equations of diode - pumped intracavity - frequency - doubled passively q - switched laser are modified. through solving these space - dependent rate equations numerically, the results under different assumption are compared. 5
將腔內光子密度和初始反轉粒子數的平面波近似修正為高斯分佈近似,獨立地導出描述二極體泵浦內腔倍頻-被動調q激光器的速率方程,並通過數值求解該方程比較了兩種近似下脈沖特性的不同; 5 .實驗驗證了2中提出的實驗方案,並對實驗結果進行了分析。In order to let students deeply realize servo construction of servo system and debugging of close loop and half close ioop system, design and make pulse comparing position loop circuit and numerical value comparing position loop circuit
為了讓同學們更深了解伺服系統的構成以及閉環和半閉環系統的調試,設計和製作了脈沖比較型和數值比較型兩種位置控制器。分享友人