納秒 的英文怎麼說
中文拼音 [nàmiǎo]
納秒
英文
billisecond-
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Nanosecond event detection for electrical connectors, contacts and sockets
電連接器觸點和插座的納秒事件探測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。Subnanosecond millimeter relativistic backward wave oscillator, based on superradiance mechanism, was a novelty microwave device developed in last few years. the dependence of peak power on the square of the density of electron beam is almost linear
基於超輻射機理的亞納秒毫米波微波器件是近幾年發展起來的一種新型微波器件，其輻射功率與參與束波互作用的電子束密度的平方成正比關系。The use of the state - of - the - art laser facility makes it possible to create conditions of the same or similar to those in the astrophysical processes. the introduction of the astrophysics - relevant ideas in laser - plasma experiments is propitio us to the understanding of the astrophysical phenomena. however, the great difference between the laser - produced plasmas and the astrophysical processes makes it awkward to model the latter by laser - plasma experiments. this paper addresses the physical backgrounds for modeling the astrophysical plasmas by laser plasmas, connecting these two kinds of plasmas by scaling laws. thus, allowing the creation of experimental test beds where observations and models can be quantitatively compared with laser - plasma data. special attentions are paid on the possibilities of using home - made laser facilities to model astrophysical phenomena
採用當前最先進的激光裝置與物質相互作用，可以獲得與天體物理過程中相同或相似的條件，並進而開展利用激光等離子體模擬天體物理現象的實驗.然而，激光等離子體為微米空間尺度、納秒存活時間，而天體物理對象則為宇宙學的極大的時間與空間尺度，對在物理上和實際操作上將這兩種表面上存在巨大差異的物理過程對應起來從而利用激光等離子體研究天體物理過程的可能性進行了討論，特別是對利用國內的激光裝置開展模擬實驗的可行性進行了討論For adds and subtracts, the average number of cycles required is two, versus about 12 to 15 for the previous type. this is almost a 75 % reduction in execution time : 120 ns versus 400 ns
對于加減法運算所需循環的平均數是2 ，而舊型號機卻需12 ? 15 。在執行時間上減少約75 % ，即現在用130納秒，從前用400納秒。Mfmzi was conducted on a small gas - puff z - pinch device, and three interferograms with an interpulse delay of 13 ns were obtained in one shot of z - pinch
該干涉儀在小型噴氣式z箍縮裝置上進行了實驗，在一次等離子體內爆過程中拍攝到時間間隔為13納秒的三幅干涉圖。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。Employing the self - consistent nonlinear theory, the wave beam interaction and the wave developing with time in the subnanosecond millimeter relativistic backward wave oscillator were theoretically analysised
本論文採用自洽非線性理論，理論分析了相對論返波振蕩器中注波互作用及亞納秒電子束與波在微波器件中隨時間的演變過程。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。Even though most of today s systems will not provide times with nanosecond resolution, the actual values should at least be much better than can be obtained with the older method
方法精確一百萬倍的精度。即使當今的大多數系統無法提供納秒精度的時間，但是實際值應當至少比用老的方法獲得的要好得多。The simulation results show the existence of both limits and optima for the studied parameters, related to the stable operation and the maximum efficiency, respectively. underlying the conditions that the longitudinal guiding magnetic field is 1. 8t, diode voltage is 250 kv, the impedance is 150, we got a peak power as high as 100 mw for the tm01 mode at 38ghz
經優化設計，本文給出了一個相對論亞納秒毫米波返波振蕩器的物理模型，在引導磁場為1 . 8t 、二極體電壓為250kv 、阻抗為150的情況下得到了超輻射狀態下輸出微波峰值功率為100mw 、中心頻率為38ghz 、模式為tm _ （ 01 ）模的微波輻射。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分享友人