narrow-pulse 中文意思是什麼
narrow-pulse
解釋
窄脈沖-
The principle of vibrator is to introduce scattered energy to underground in a comparatively long time, and collect the energy through correlation and compress it into a narrow pulse. the portable high - frequency vibrator system, developed by key lab of geo - exploration and instrumentation ( jilin univ ), ministry of education, generates chirp signal and accumulates energy through a long - time bestiring. according to the characteristics of vibrator, the seismic recorder that operates on - line with vibrator must have these functions as follow : first, it must have the ability of recording a great quantity of data. second, it must have assistant channels to sample reference signal. third, it must have the function of data correlation in real - time
可控震源利用可控的小能量、長時間激發波來實現沖擊震源瞬時產生的大能量激發波。在利用可控震源進行地震勘探時，要求地震儀長時間記錄地震信號，這對地震儀的采樣長度提出了很高的要求。受存儲量和數據傳輸速度的限制，絕大多數地震儀很難對如此大的數據量進行記錄，同時，可控震源要求地震儀有兩個輔助通道並且具有數據相關功能，目前國內還沒有出現滿足要求的地震儀產品。 -
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
研究和分析脈沖多普勒雷達信號特徵，建立了該種雷達的數學模型，並討論對脈沖多普勒雷達的窄帶噪聲壓制式干擾、距離欺騙干擾、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。 -
Radar emits wide pulse to ensure the distance, and gets narrow pulse by using corresponding pulse compression method when receiving. this is pulse compression
脈沖壓縮是指雷達通過發射寬脈沖，保證足夠的最大作用距離，而接收時，採用相應的脈沖壓縮法獲得窄脈沖以提高距離解析度的過程。 -
The pulse - peek sampling and adc module is able to catch a single and very narrow pulse in order to sample its peek value without being influenced by other pulses or noise. the pulse - peek sampling and adc module can also adapt itself to different rising edge of pulses, so it can scale different types of explorers made by our research institute
X射線探測器定標分析系統的前端脈沖峰值採集及其轉換電路能夠實現單個快速脈沖的捕捉及對不同脈沖上升沿陡緩的適應，它對不同傳感器的放大信號特徵都有很好的適應性，對脈沖峰值采樣的結果具有很高的精度。 -
Furthermore, the variation of sbs performance parameters, such as threshold and reflectivity, with parameters of pumping laser and multi - mode optical fiber has been researched by analysis of the numerical solution. experiments have also been operated in ld - pumped solid - state laser system with high - repetition more than 100hz and narrow pulse - width between 15ns and 47ns. the experimental results agree with calculated results by the theoretical model
第三章在重復頻率100hz 、脈寬15 47ns可調的dpl系統中，實驗研究了不同芯徑、長度的光纖在不同能量、脈寬的激光泵浦下sbs閾值、反射率等性能參數等變化趨勢，實驗結果和理論分析一致。 -
At the same time, the experiment of multimode crystal fiber to improve the beam quality of mopa dpl with high repetition rate and narrow pulse width were carried out in this paper
本文還開展了多模石英光纖應用於窄脈沖、高重復頻率mopadpl系統改善光束質量的實驗研究。 -
In this topic, an adc circuit and data - storage system for all digital ultra - wideband receiver was designed, and the ultra - wideband narrow pulse signal that is received is digitalized, using an ultra - high - speed a / d convertor
本課題設計了一個全數字化超寬帶接收器的adc電路及數據存儲系統。利用一個超高速的ad轉換器，對超寬帶窄脈沖信號進行數字化。 -
Diode pumped solid state lasers ( dpssl ) have become the central focus of the field of lasers due to their many advantages such as high efficiency, stability, good quality of light beam, compactness, long time and etc. diode - pumped passively q - switched laser is much efficient to obtain narrow pulse width and high peak power
激光二極體泵浦的全固態激光器（ diodepumpedsolidstatelasers ， dpssl ）具有效率高、穩定性好、光束質量好、結構緊湊、壽命長等優點。 -
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。 -
Based on the construction of traditional flip - flop, we propose a novel edge - triggered flip - flip using one latch controlled by narrow pulse according to race - hazard of clock. then this principle is adopted in ternary circuit, a new ternary d type edge - triggered flip - fiop based on cmos transmission gate is proposed
在二值單閂鎖結構邊沿觸發器的基礎上，把利用時鐘信號競爭冒險的思想應用於三值電路中，提出了基於cmos傳輸門的二值d型時鐘信號競爭型邊沿觸發器。 -
The second reason is the nonlinear rectifier with a bulky capacitor in the input stage of the smps, which leads to a narrow pulse and rich harmonics
原因之二是開關電源的輸入端採用二極體整流，後接較大的濾波電容，導致輸入電流為一很窄的脈沖波，含有豐富的諧波分量。 -
The result of simulation and test verified that this algorithm is simple to be carried out, and harmonics in output waveform are small, and neutral point voltage can be controlled very well, and narrow pulse problem is solved as well
模擬和實驗結果表明，該方法實現簡單，輸出波形諧波含量小，中點電位得到很好的控制，並較好地解決了窄脈沖問題。 -
On the basis of improvement of a simple but effective three - level svpwm algorithm, a simple neutral point balancing and narrow pulse elimination algorithm without current sensor is proposed. and dead time is compensated in the algorithm also
本文在對一種簡潔高效的三電子svpwm演算法改進的基礎上，提出一種無電流傳感器的中點電位控制和窄脈沖消除方法，同時進行了死區的補償。 -
Therefore, it is useful to make further study on heightener of reflectivity and applying in laser system with narrow pulse - width less than 30ns and high repetition rate more than 100hz for space - communication and laser - detect
而對光纖相位共軛器而言，關鍵問題是如何突破sbs反射率低於60的瓶頸，並應用到重復頻率大於100hz 、脈沖窄於30ns的激光系統中獲得較高的穩定性和較好的相位共軛效果。
分享友人