納秒脈沖 的英文怎麼說
中文拼音 [nàmiǎomàichōng]
納秒脈沖
英文
nanosecond pulse-
Synchronization of full - solid high - stability nanosecond pulse sources
全固態高穩定度納秒脈沖源的相干合成技術Duo to the intrinsic characteristics of the gaas material, serai - insulating ( si ) gaas photoconductive semiconductor switches ( pcss " s ) have more obvious advantages in the performance of both high power and ultra - fast switching than those pcss " s made of other materials and then can be widely used in ultrahigh speed electronics, field of high power microwave generation and pulse forming ( pulse sources of high power ultra - fast electromagnetism, ultra - wide - band microwave generator )
半絕緣gaas光電導開關（ photoconductivesemiconductorswitches簡稱pcss ' s ）具有兼備寬頻帶和高功率容量特性，使其在超高速電子學和大功率脈沖產生與整形技術領域（大功率亞納秒脈沖源、超寬帶射頻發生器等）具有廣泛應用前景。Extremely short period pulses have been employed in this technology ( usually as short as several nanoseconds or even several picoseconds ), which results in the transmission capability of up to gigabits per second [ 1 - 4 ]. because of the high transmission rate, uwb communications are best suited for wireless personal area networks ( wpan )
Uwb技術採用超短脈沖發射技術（納秒乃至皮秒量級） ，佔用的頻譜可達幾個ghz ，這使得其在短距離內可達到幾百兆比特的傳輸速率[ 1 - 4 ] ，該技術因此而非常適于近距離高速無線個人域網[ 2 ] （ wpan ） 。Radiant characteristics of subnanosecond and monopolar pulse - excited aperture
單極性亞納秒脈沖激勵口徑的輻射特性It has many advantages, for example high transmission rate, low power consumption, good security, robustness to multipath and low cost
利用納秒級的非正弦波窄脈沖來傳輸數據，具有傳輸速率高、功耗低、安全性好、抗多徑能力強以及成本低廉等許多優點。It is a novel short - distance wireless communication technique, in which data are transferred using non - sinusoidal pulses with very short duration, so it is fit for using in indoor environments which is a typical multipath environment. and it can be coexisted with the existing wireless communication systems at the same frequency band
超寬帶通信系統利用納秒至皮秒級的非正弦波窄脈沖傳輸數據，非常適合作為城區及室內密集多徑環境下的應用，並且能夠與現有的傳統窄帶系統共存。Development and experimental research on the fast rise time emp generator
快前沿納秒高壓脈沖源的開發及實驗研究Pulses in the nanosecond and subnanosecond regimes with high power and high repetition rate have wide applications in lidar, ranging, remote sensing, microsurgery, micromachining, and so on
高峰值功率、高重復頻率的納秒至幾百納秒的脈沖激光，廣泛地應用於激光雷達、激光測距、遙感遙控、微型手術和微型機械方面。Surface modification of metals irradiated by intense nanosecond pulsed electron beam
納秒脈沖電子束沖擊強化金屬表面的研究The second harmonic produced by a q - switched nd : yag laser with wavelength e = 532 nanometers ( nm ), pulse width 0 nanoseconds ( ns ) and repetition frequency i = 1 hz was used to bombard a highly pure solid hexagonal bn ( h - bn ) target ( 96 % ), with diameter of 2cm. in a vacuum chamber, boron nitride ( bn ) film was deposited on the single - crystal silicon substrate
利用高能脈沖激光（波長= 532nm ，頻率= 1赫茲，脈寬= 10納秒）在常溫下轟擊燒結的高純六方氮化硼（ h - bn ）靶，在真空反應室中將bn薄膜沉積在單晶硅基底上。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。Experimental research of repetitively nanosecond - pulse breakdown in air under non - uniform electric field
極不均勻電場下重復頻率納秒脈沖氣體擊穿實驗研究Based on the theory mode, the delay time between the beginning of optical illumination and the onset of lock - on switching was calculated, and the transiting speed of electrons, the traversing velocity of the current filament, was obtained as well. the calculated results matched well the experimental results. taking advantage of the ultra - fast response characteristics of the devices, si - gaas pcss ' s are successfully applied to the broadening test of nanosecond laser pulses
應用單極電荷疇模型數值計算了lock - on效應的光、電時間延遲和載流子的渡西安理工大學碩士學位論文越速度（絲狀電流穿越開關間隙的速度） ，所得計算結果與實驗測試結果基本吻a利川半絕緣gaas光屯導開關的超快光l匕11向應燈性，成功地應川下納秒激光脈沖展寬試驗中，證明了開關可廠泛應川在超快光電響應和光電反饋網路中。This dissertation is mainly concerned about the radiation of the tem - horn arrays which radiate uwb ( ultra wideband ) pulse, it mainly involves three parts : theory, numerical stimulation and experiment. the uwb antenna is a new research field in the world which has many differences from nb ( narrow band ) antenna. the most difference is that the uwb antenna such as tem - horn radiates nanosecond pulse which has wide frequency spectrum, but the nb antenna radiates single frequency signal
超寬帶天線是一項新興的研究領域，它與窄帶天線有很多不同之處，最根本的不同在於：超寬帶天線例如tem喇叭天線是輻射納秒級短脈沖信號，這種脈沖信號有很寬的頻譜；而窄帶天線大都是輻射單一頻率時諧信號的。Gaas photo - conductor detector is a new type of sub - nanosecond and pulse radiation detector that has been developed in recent years
Gaas光電導探測器是近年來發展起來的一種新型亞納秒，脈沖輻射探測器。The nlo properties of the essa films were measured with the ns / ps laser by using the z - scan technique. the materials c60 derivatives ( mono - adduct tmaf, tri - adduct ttaf and hexa - adduct thaf ) and pss act as the positive charged electrolytes and opposite electrolyte, respectively
利用納秒和皮秒激光脈沖作為光源，採用z - scan技術測量了以c60衍生物（單加成tmaf 、三加成ttaf和六加成thaf ）為正電荷電解質， pss為負電荷電解質的靜電自組裝薄膜的光學非線性。Investigation of high power sub - nanosecond electrical pulse generated by gaas photoconductive switches
用光激開關產生一高功率亞納秒電脈沖的研究分享友人