signal pulse造句
例句與造句
- we must shape to the signal pulse
這時必需將信號脈沖整形。 - a study of the shaping of signal pulse under the condition of a synchronous pulse pump
同步脈沖泵浦下信號脈沖整形的研究 - laser light-scattering event-a signal pulse that locates surface imperfections on a wafer
激光散射-由晶圓片表面缺陷引起的脈沖信號。 - analysis of compression characteristics of gaussian signal pulse in semiconductor optical amplifiers by utilizing rectangular control pulse
矩形控制脈沖在半導(dǎo)體光放大器中對高斯信號脈沖的壓縮效應(yīng)分析 - it emphases on the system of signal pulse signal channels, and sets forth the methods of realizing 、 way of demodulation 、 advantage and disadvantage . afterwards, the paper introduces how to design a “ s band remote measuring receiver ”
重點介紹了單通道單脈沖跟蹤體制,對其實現(xiàn)途徑、解調(diào)方式、較其它體制的優(yōu)缺點作了全面的闡述。 - It's difficult to find signal pulse in a sentence. 用signal pulse造句挺難的
- in this paper, we frist discuss the radar signal pulse and it's parameters, then we introduce the principle and method of the measure . at last we introduce how to get the pa, pw and toa based on xilinx spartan-ii fpgas
本論文首先對脈沖及其參數(shù)進行了分析，然后介紹了雷達脈沖參數(shù)測量的原理，并針對現(xiàn)代復(fù)雜電磁環(huán)境的特點，對脈沖參數(shù)測量的方案進行了設(shè)計。 - the optical channel models for airborne submarine laser communication are built . the multipath time spreading of signal pulse is studied . the waveform of received signals in receiver in submarine laser communication system is analyzed and simulated
通過蒙特卡羅方法的模擬研究，建立了機載激光對潛通信的光脈沖傳輸模型，研究了信號光脈沖的時間擴展，分析并模擬了接收面上的接收波形。 - at present, signal pulses produced by directly modulated laser diodes have been used in optical fiber communication systems . the experiment reveals that the optical pulses from directly modulated laser diodes are far from gaussian and have near-rectangular temporal profiles with much sharper leading and trailing edges, and then a super-gaussian model, which assumes that an incident optical pulse has a super-gaussian profile, may be more suitable
但在實際的光通信系統(tǒng)中，人們常采用由直接調(diào)制半導(dǎo)體激光器產(chǎn)生的光脈沖作為信號脈沖，而實驗結(jié)果表明這種脈沖具有比高斯脈沖更為陡峭的前沿和后沿，其脈沖形狀更接近于超高斯分布，并且通常還帶有一定量的啁啾。 - agrawal's theory model of soa ca n't simulate accurately the amplified signal pulse shape in soa when the pulse width is as short as several picosecond . so we simulate accurately the peak power, full width half maximum, rising time and falling time of amplified pulse after considering the gain compression, gain asymmetry, gain shift, gain variable with situation and time . with ultrahigh velocity dense wavelength division multiplexing ( dwdm ) and optical time division multiplexing ( otdm ) developing, we demand more and more short signal pulse and more signal channels
但當(dāng)信號脈沖的寬度只有幾個皮秒時，soa傳統(tǒng)的agrawal理論模型已經(jīng)不能完全準(zhǔn)確地模擬soa對信號脈沖的放大情況，在此基礎(chǔ)上，我們在全面考慮soa的增益壓縮、增益非對稱和漂移、增益隨位置和時間變化的載流子壽命等物理機制的情況下，對皮秒超短高斯信號光脈沖經(jīng)soa放大后的脈沖的峰值功率、脈沖半值全寬度、脈沖的上升時間和下降時間等重要物理參量進行了準(zhǔn)確模擬和詳細(xì)研究。 - agrawal's theory model of soa ca n't simulate accurately the amplified signal pulse shape in soa when the pulse width is as short as several picosecond . so we simulate accurately the peak power, full width half maximum, rising time and falling time of amplified pulse after considering the gain compression, gain asymmetry, gain shift, gain variable with situation and time . with ultrahigh velocity dense wavelength division multiplexing ( dwdm ) and optical time division multiplexing ( otdm ) developing, we demand more and more short signal pulse and more signal channels
但當(dāng)信號脈沖的寬度只有幾個皮秒時，soa傳統(tǒng)的agrawal理論模型已經(jīng)不能完全準(zhǔn)確地模擬soa對信號脈沖的放大情況，在此基礎(chǔ)上，我們在全面考慮soa的增益壓縮、增益非對稱和漂移、增益隨位置和時間變化的載流子壽命等物理機制的情況下，對皮秒超短高斯信號光脈沖經(jīng)soa放大后的脈沖的峰值功率、脈沖半值全寬度、脈沖的上升時間和下降時間等重要物理參量進行了準(zhǔn)確模擬和詳細(xì)研究。 - in the picosecond and femtosecond time field, the durations of the pump and signal pulses are so short that special propagating characteristics of ultrashort pulse laser should be taken into account, especially the pulse broadening induced by the group velocity mismatch and the group velocity dispersion
在皮秒和飛秒時域，由于泵浦光與產(chǎn)生的信號光的持續(xù)時間特別短，故在討論超短脈沖與物質(zhì)相互作用時必須計及超短脈沖在介質(zhì)中傳輸?shù)奶厥庑再|(zhì)，尤其是群速失配與群速色散引起的脈沖展寬。 - nonlinear directional coupler ( nldc ) is a switch used in optical network . w . s . man had studied transmission controlling with ground state soliton through nldc, it is obviously not available to used in superhigh speed network; and mary j . potasek had studied the self-coupling with ultrashort solitons in nldc, self-coupling is difficult to control the signal transmitting . i has studied the transmission controlling with ultrashort solitons ( < 100fs ) in nldc, similarly i use a controlling pulse to control the signal pulse, it is the intensity of controlling pulse to decide the signal change its direction or not
非線性定向耦合器(nldc)是用在光網(wǎng)絡(luò)中的光開關(guān)器件，它主要用在全光網(wǎng)絡(luò)中，w.s.man等研究過基態(tài)孤子在nldc中的傳輸控制，便于對全光網(wǎng)絡(luò)中數(shù)據(jù)的正確傳輸，由于目前研究集中在100fs的超短脈沖傳輸特性上，顯然基態(tài)孤子的特點不再適用于超高速網(wǎng)絡(luò)；maryj.potasek等就超短脈沖在nldc中的自耦合做了研究，在光網(wǎng)絡(luò)中自耦合任意性太大，不利于控制脈沖的傳輸。 - active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors . usually the target-receiver range can be got by the propagating time of a signal pulse . if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation
主動水聲跟蹤定位系統(tǒng)通過測量脈沖信號的傳播時延可以測得目標(biāo)相對接收機的距離，當(dāng)此傳播時延大于系統(tǒng)同步周期時，時延測量就會呈現(xiàn)不確定性，可能相差若干個重復(fù)周期，導(dǎo)致定位解多值，稱之距離模糊現(xiàn)象。 - active underwater acoustic positioning / tracking systems locate target by measuring the range from object to receiving sensors . usually the target-receiver range can be got by the propagating time of a signal pulse . if this propagating time is larger than the pulse repetition period, it will mean that more than one signal pulse are on propagation
主動水聲跟蹤定位系統(tǒng)通過測量脈沖信號的傳播時延可以測得目標(biāo)相對接收機的距離，當(dāng)此傳播時延大于系統(tǒng)同步周期時，時延測量就會呈現(xiàn)不確定性，可能相差若干個重復(fù)周期，導(dǎo)致定位解多值，稱之距離模糊現(xiàn)象。 - a numerical simulation method is presented for studying the light storage based on the technique of dynamic eit . comparing with analytical method under certain limitations, this numerical method has advantages to study the change of the signal pulse with the effect of various factors, such as atomic decay and so on
采用數(shù)值模擬的方法研究基于動態(tài)電磁感應(yīng)透明dynamiceit技術(shù)的光存儲，與通過近似得到解析解的方法相比，此方法更有利于研究各種因素如原子弛豫對存儲過程的影響。
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