譜線展寬 的英文怎麼說
中文拼音 [pǔxiànzhǎnkuān]
譜線展寬
英文
broadening of spectral lines-
It is more suitable for the broader sc spectrum generation when the dispersion curve of the fiber is flatter and distance between the two zero - dispersion wavelengths of the fiber is farther from each other
光纖的色散曲線越平坦,色散曲線的兩個零色散波長相距就越遠,也越有利於超連續譜的展寬。With the development of laser techniques, the optical cavity has played an important role on monitoring laser mode, measurement and narrowing of laser linewidth, laser mode cleaner, laser frequency stabilization, optical spectrum and cavity - qed etc., due to its advantages of ultra - low losses, high finesse and narrow linewidth
隨著激光技術的發展,諧振腔由於其腔內損耗小、精細度高、線寬窄等特點,使得其在監視激光模式、測量並壓窄激光線寬、激光模式清潔、激光穩頻、激光光譜學、腔量子電動力學等方面起到重要的作用。A flat and broad sc spectrum can be obtained by optimizing the chromatic dispersion design of the sc fiber
通過對色散曲線的優化設計,可以獲得平坦展寬的超連續譜。In the second chapter, a wideband mimo channel model with multiple - tap was integrated according to the angle of departure of the transmitting signal and its spread angle, the angle of arrival of the receiving signal and its spread angle, power azimuth spectra, doppler spectrum and the geometric construction of antenna array both sides of transmit and receive, on the basis of full research on the theories of space - time channel model proposed in the recent literature
第二章在對最近文獻中提出的一些空時通道模型理論進行詳細研究的基礎上,根據發射信號的離開角及其擴展角、接收信號的到達角及其擴展角、功率方位譜、多普勒譜和收發兩端天線的拓撲結構,綜合了一個多抽頭的寬帶mimo通道模型。At the same time, we show that under a proper nitrogen doping concentration, due to the " concentration quenching " effect, the full spectrum of the nn3 center ( i. e., its zero phonon line and various phonon replicas ) is revealed without the interference from the spectra of other higher energy centers ( especially nn4 - nn6 )
Gapi . xn :的發光譜在低組分下由尖銳的nn 。線及其聲子伴線組成,隨著組分x的提高,這些尖銳的的譜線逐漸展寬,並向低能端移動,在這個過程中,激子的能量傳輸起著重要作用The influence of several vital parameters ( the linewidth enhancement factor or, reflectivities of the facet adjacent to the external cavity r and the external reflector r ) of the ecld on the bistable characteristics have been discussed briefly
並初步介紹了ecld幾個關鍵參量,譜線展寬因子和ld鍍膜端面反射率r對雙穩環基本特性的影響。Solving the rate equation numerically, the influence of the factor a and the reflectivity r on the transient characteristics of the ecld has been analyzed when the shape of the hysteresis loop looks like a parallelogram approximately
通過對速率方程組進行數值求解,分析了當ecld雙穩環呈現近似的平行四邊形時,譜線展寬因子和ld鍍膜端面反射率r對雙穩跳變瞬間動態特性的影響。Wireless communication technologies for intelligent
加強頻譜管理促進寬帶無線技術健康發展In recent years, radio technology has developed very quickly in our country. however, a radio monitoring receiver with broad frequency scale ( 20 - 3000 mhz ), high scanning rate ( above 1ghz / s ) and whole spectrum real - time display has not developed. some imported monitoring receivers with broad frequency scale can only scan slowly and could n ' t meet actual needs. not only these imported receivers " price is high but also those developed countries usually limit the quantities of imported receivers and related technology is not open
近年來我國無線電技術水平已經有了很大發展和進步,但對于頻率覆蓋范圍寬( 20 - 3000mhz ) 、掃描速度快( 1ghz / s以上)並具備快速全頻段實時頻譜顯示和記錄的無線電監測接收設備,目前我國尚不能生產,國內現在已經進口的寬頻段監測接收機一般也只能進行低速掃描,無法滿足實際的需要。The results of laser selective excitation indicate that the emission centers near the surface exhibit inhomogenously br oadened spectra while the two different symmetry sites inside the nanotube - walls present legible spectral structures. silicon nanowires were prepared by a thermal evaporation method
受表面缺陷的影響,納米管壁近表面的eu ~ ( 3 + )離子處于較為復雜的微環境中,其發射光譜表現為非均勻展寬的光譜線形。Distribution automation using distribution line carrier systems - part 5 - 3 : lower - layer profiles ; spread spectrum adaptive wideband profile
使用分配線載波系統的分配自動化.第5 - 3部分:低層文件.擴展譜帶適配的寬帶截面分享友人