脈沖距離制 的英文怎麼說

中文拼音 [màichōngzhì]
脈沖距離制 英文
pulse distance system
  • : 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
  • : Ⅰ名詞1 (距離) distance 2 (雄雞、雉等的腿的後面突出像腳趾的部分) spur (of a cock etc )Ⅱ動詞...
  • : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
  • : Ⅰ動詞1 (製造) make; manufacture 2 (擬訂; 規定) draw up; establish 3 (用強力約束; 限定; 管束...
  • 距離 : 1 (相隔的長度) distance; range; gap; space; spacing; separation 2 (相距) be apart from; be aw...
  1. Based on the model of safe following distance, the design blue print of system is presented in the text. using the multiple impulses horae rotate speed sensor to measure the vehicle speed and nanometer radar to measure the distance of own vehicle to frontal vehicle, and analyzing and judging collected information by at89c51 which is the control centre of the system

    本文在安全跟車模型的基礎上,提出了系統方案:採用霍爾多轉速傳感器測量汽車的速度,毫米波雷達測量兩車的和相對速度,利用at89c51作為信息採集單元的控中心,對各種信息進行分析判斷,當行車小於報警時啟動相關的報警單元。
  2. The results show that the cps signals have the thumbtack - typed ambiguity, no distance and / or speed ambiguity and excellent speed / distance measuring performances. 3. we analyze anti - interference performances of the uniform ppm - ps radar signals and the random ppm - ps radar signals, and make the comparison between them

    研究結果表明隨機位調與隨機二相碼調相復合串信號具有「圖釘型」的模糊函數,不存在速度模糊,具有良好的測測速性能。
  3. Based on the doppler effect and pulse coherence technique, synthetic aperture radar ( sar ) breaks through the azimuth resolution limitation imposed by real aperture antenna. in combination with the pulse compression technique, two - dimensional high resolution imagery to distant targets can be realized

    合成孔徑雷達( sar )利用以多普勒頻移理論和相參為基礎的合成孔徑技術,突破了實孔徑天線對方位向分辨力的限,與壓縮技術相結合,實現了遠目標的二維高分辨成像。
  4. At the same length, the insertion loss of different sub - channels also undergoes changes. this effect, along with the intrinsic background noise, impulse noise and the receiving sensitivity of modem on the adsl, will limit the maximum transmission distance on one single subscriber line

    首先,銅線的插入損耗將隨著線路的增加而成比例地增加,並且在同一下各子通道的插入損耗也發生變化,這個因素和線路固有的背景噪聲、噪聲、數據機的接收靈敏度一起將限在單用戶線上adsl所能夠傳輸的最大
  5. Synthetic aperture radar ( sar ) is a new type of radar system developed since 1950 ' s. it breaks through the resolution limitation imposed by real aperture. with pulse compression technology, two - dimensional high resolution to distant targets can be realized

    合成孔徑雷達( sar )是五十年代發展起來的一種新型雷達體,它利用合成孔徑原理,突破了實孔徑天線對解析度的限,並結合壓縮技術,可以對遠目標進行方位向和向兩維高分辨成像。
  6. Chirp signal is a kind of pulse - compressed signal with large time - bandwidth products achieved through linear frequency modulation. it has high resolution in range because of its great bandwidth

    線性調頻信號是通過線性頻率調獲得大的時寬帶寬積的一種壓縮信號,具有大的帶寬,因此有高的分辨力。
  7. With the mathematic model of tracking beam current by velocity, real - time tracking can be obtained ; with current simulation controlling transducer and subsection linearity, precision of velocity ( error in ? 1 % ) is triumphantly can be controlled ; with inspection of the pulse numbers of switches, the position of all vehicles are checked to eliminate the error of calculating distance between all ones

    通過建立速度跟蹤束流的數學模型,較好地解決了速度跟蹤束流的實時性問題;通過採取用電流模擬量控變頻器和分段線性處理的辦法,成功地解決了速度精度問題(誤差在士1 %內) ;通過檢測接近開關觸發的數,適時校核所有小車位置,消除各車之間計算誤差,從而很好地解決了累計計算誤差。
  8. And the code selection of good non - periodic auto correlation in pulse internal phase modulation will benefit the suppress of range side - lobe

    內部調相選用具有良好非周期自相關性能的編碼還有利於旁瓣的抑
  9. The project adopts pulsed laser ranging in noncoherent detect mode, uses a 905nm pulsed laser diode as the laser source, detects object with a single apd, adopts an optics - mechanics scanner in object space to obtain images, and obtain distance images and intensity images of object simultaneously

    該研究方案採用直接探測激光測,以波長為905nm的半導體激光器作為激光光源,利用單元apd探測器進行探測,採用物空間掃描的光機掃描方式進行掃描成像,能同時獲得目標的圖像和強度圖像。
  10. First, this paper research and analyze the feature of signal of pulse doppler radar, and the mathematic model of radar is constructed. the several interference methods that narrow - band suppressing interference, range deception interference and velocity deception interference are discussed. and interference ability is evaluated and simulated

    研究和分析多普勒雷達信號特徵,建立了該種雷達的數學模型,並討論對多普勒雷達的窄帶噪聲壓式干擾、欺騙干擾、速度欺騙干擾等幾種干擾樣式,並進行干擾性能評估和模擬研究。
  11. For the self - magnetic field mid with relatively simple structure, the stability of self - magnetic field generated by electron flow is obtained by adjusting the diode gap and the delay time of bipolar pulse. under the combined effect of self - magnetic field and electrical field in the diode, stable and dense anode plasma was produced

    對于具有簡化結構優點的自磁絕緣子二極體,通過調節陰陽極間保證電子流造成的自磁場穩定形成,同時控合適的雙極延遲時間,電磁場共同作用形成了穩定的稠密陽極等子體。
  12. Firstly, the paper, combining the characteristic of synchronous pulse bursts and inhibition with the modified pcnn model, presents a way of finding the foveation points in the images adaptively and effectively, and simulates the human vision system. secondly, pcnn is extended to pcnns, based on the properties of information couple and transmission, an algorithm that is used to fuse images of the same target got by several sensors to an image is presented to simulate the human vision system. thirdly, combining the properties of synchronous pulse bursts, capture, and transmission and competition of waves, the paper presents two ways of classification, one is an algorithm based on the properties of neuron to capture and inhibit to classify the data taking on any complex unlinear distribution robustly, the other is based on the restricted distance and modified of the former to remove the influence of inferior samples in classification ; fin ally, based on the accumulative difference pictures, and the forming and transmission of pcnn wave, selecting and controlling the direction of autowave by connecting the neighbouring neurons selectively, the paper presents a way to simulate the tracks of moving object and detect the moving direction

    首先結合pcnn的同步發放和側抑特性,提出了基於改進型pcnn的圖像凹點檢測演算法,該演算法是一種自適應而有效的圖像凹點檢測方法,並且較好地模擬了人類視覺系統;然後,結合信息傳遞和信息耦合特性,將pcnn擴展成pcnns ( pcnn網路群) ,提出了一種基於pcnns的圖像融合演算法,能夠將多個傳感器獲取的同一目標的圖像信息融合到一幅圖像中,有效模擬了人類視覺系統;另外,結合pcnn的同步發放特性、捕獲特性和波的傳播競爭特性,開拓地將pcnn用於模式分類中,提出了基於耦合神經元點火捕獲抑特性的分類方法和改進的約束下的pcnn分類方法,前者可實現對樣本空間中任意復雜分佈訓練樣本的穩健非線性分類,而後者能夠消除訓練樣本中刺點對分類的影響;最後,結合累積差分圖像思想、 pcnn波的形成與傳播特性,通過各神經元之間連接取向來選擇與控自動波的流向,將pcnn用於運動視覺分析中的運動軌跡模擬及運動方向檢測。
  13. The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion

    我們應用二階超高斯光與高斯信號同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa增益區的二階超高斯控在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光;在基於soa的交叉增益調( xgm )全光波長轉換中,採用級聯的soa能有效地使反轉光的頻率啁啾得到有效降低,波長向下轉換的和反轉光的峰值能量都得到明顯提高,降低了利用交叉增益調( xgm )波長轉換中對波長精度的要求,從而提高了波長轉換的靈和性。
  14. With the vacuum air flow transferring theory, the machine has a frame of stainless steel, which takes it easy to installing and uninstalling. pulse puffin reverse device was set in the machine in order to increase the efficiency of dividing materials, to control automatically the transferring and feeding various kings of powder materials, it is suitable for matching the plastic injector or extruder, which requests high for the height of feeding, long distance of feeding and big quantity of feeding

    本機採用真空氣流輸送原理,不銹鋼組合結構,裝拆簡單,維修方便,內藏反吹裝置,物料分率高,可對各種粉料自動控輸送加料,適用於上料高度較高,輸送較遠及上料量大的注塑機及擠出機的直接配套使用。
  15. Dsp56f805 samples the ultrasonic pulse coming back from the target, then measures the distance and shows it on led. tms320vc5509a is accomplished the detecting speed and the main control of the radar system, is 16 fixed dsp with high performance and low power produced by ti company. dsp5509a samples the wave coming from t / r module, then measures the target ’ s speed and send this information to the assistant control chip - p89v51 based on boost c51 core mcs produced by philips company, which controls the lcd

    雷達系統的控和信號處理的核心晶元是motorola公司的dsp型16位單片機56f805 ,由它對超聲波回波進行ad采樣后,計算目標並在七段數碼管上顯示。測速雷達系統中信號處理的核心晶元是ti公司的超低功耗、高性能的16位定點dsp ? ? tms320vc5509a ,由它對收發組件輸出的多普勒回波進行采樣,計算出目標運動速度后,送給輔助控晶元? ?飛利浦公司生產的基於c51內核的增強型單片機p89v51 ,並且在液晶顯示器上顯示速度信息。
  16. Psr is a radio detection equipment that provides information on range and bearing of aircraft in the form of a target blip on the radar screen to air traffic controllers by transmitting radar pulses and detecting the reflected signals from the aircraft. no active transponder or avionics on board aircraft has to be relied on

    監察雷達發出雷達,偵測從飛機反射回來的信號,便可計算飛機的及方位,並以目標點在雷達屏向航空交通管員顯示,而不須依靠航機上的應答機或其他航空器材。
  17. In this paper, high resolution range steady imaging under the conical angle measurement, angle glint suppression under conical angle measurement, target recognition under momopulse angle measurement are studied

    本文主要研究了圓錐掃描測角體維高分辨穩定成像,圓錐掃描測角體下角閃爍的抑,單測角體下目標識別等課題。
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