脈沖探測 的英文怎麼說
中文拼音 [màichōngtàncè]
脈沖探測
英文
pulse detection- 脈 : 脈名詞1. (動脈和靜脈的統稱) arteries and veins2. (脈搏的簡稱) pulse 3. (像血管的組織; 連貫成系統的東西) vein
- 探 : Ⅰ動詞1 (試圖發現) try to find out; explore; sound 2 (看望) call on; visit; see 3 (向前伸出)...
- 測 : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
- 探測 : survey; search; sound; probe; sounding; detection; acquisition; reconnaissance; localization; fin...
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The background count of the detector is 4~6 counts 1 min.
探測器的本底計數率為46脈沖1分。In recent years, the longitudinal pulsed - discharge gas lasers with diffusive cooling have received renewed interests. a compact low power pulsed laser with high repetition rate has potential importance in laser exploration, fine mechanical processing, photochemistry and so on
近年來,縱向放電的脈沖氣體激光器重新受到了人們的重視,一種小型的低功率的高重復頻率脈沖激光器在激光探測、精細加工和光化學等許多應用領域,有重要的應用前景。Ion detection technique has been successfully used in the study of rydberg states of na2 by pulse optical - optical double resonance. high - lying rydberg states near ionization limit have been observed and high sensitive and high gain spectra have been obtained. this technique is very useful for molecular spectroscopy
本文首次實現了鈉分子體系中離子探測脈沖激光光譜,研究了鈉分子電離限附近的高里德堡態,獲得了高靈敏度和高增益的光譜,拓寬了分子光譜研究領域。At present, this kind of gaas photoconductor detector has had practical value. it can detect x - ray, gamma - ray, laser pulse successfully
目前,我們研製的gaas探測器已具有一定的實用價值,可用在室溫下對x射線、射線、激光脈沖進行探測。The limited sensitivity of present pulsar surveys and the greater frequency drift make the more distant pulsars difficult to observe.
目前脈沖星普查的有限探測靈敏度和大的頻率漂移,使我們難以觀測到更遙遠的脈沖星。This paper is a part of the important national defence research project - research on the technique of three millimeter pulsed radar
本文是國防重點科研課題「三毫米脈沖雷達探測技術」的組成部分之一。The experimental data are in good agreement with the calculated results of the model by analysis of the data of the laser pulse of different energy induced the laser plasma shock front by acoustics means. in addition, the calculated results of the model are in good agreement with the experimental data by optics means
同時設計應用聲學方法對水中不同能量的脈沖激光作用下產生的激光等離子體沖擊波波前傳播過程進行測試及數據分析,對光學陰影方法探測的激光等離子體沖擊波近場波前傳播數據進行詳細分析,結果表明新模型計算結果與實驗測量值一致。Specific pulse detectivity
比脈沖探測The parameters contain impulse noise, memory effect, scan correlated shift, coherent noise, random noise, dropped lines, inoperable detectors, saturated detectors, mtf, system resolution
輻射性能參數包括脈沖噪聲、記憶效應、掃描相關偏移、一致噪聲、隨機噪聲、丟失行、不可操作探測器、飽和探測器、調制傳遞函數、系統解析度。When the rf pulse is combined with magnetic field gradients, a spatially encoded signal is produced that can be detected and translated into images
當射頻脈沖與磁場梯度聯合起來時,我們可以探測到一個空間編碼信號的產生並且將它轉變成圖像。Point type heat fire detector meets the requirements of gb4716 - 1993. the test itemsinclude electrostatic discharge, radiated electromagnetic fields, and electrical transient bursts
點型感溫火災探測器應符合gb4716 - 1993標準的要求。檢測項目有:靜電放電;輻射電磁場;電快速瞬變脈沖群。The use of interferometer to detect and analyze laser radiation is well known, but when the intense ratio of the laser radiation to the background natural light radiation is too small, the laser radiation cannot be detected. a novel more sensitive method for detect of wideband weak incident laser in strong background noise is introduced in this paper. the optical unit uses two wedge interferometers and two line array detectors. the incoming light radiation is divided into two beams and through the interferometers
在被動激光偵察告警中,對微弱脈沖激光信號的探測是一個難點。當探測距離相當遠或視場內接收的背景光輻射很強時,脈沖激光信號到達探測器的能量很小,會淹沒在強大的背景光信號中而探測不到。本論文提出了一種探測微弱脈沖激光信號的方法,可對強烈背景光中的激光威脅信號進行探測和告警,並給出其波長參數。Detecting sonar pulse transmitted by an active sonar, it is called " sonar pulse detection "
聲吶脈沖偵察是利用目標主動聲吶發射的脈沖信號來探測目標的技術。Monopulse detection technology is being widely used with the development of precision guidance weapon
摘要隨著精確制導武器的發展,單脈沖探測技術得到了越來越廣泛的應用。In this paper the methods of chronically implanting microelectrodes, combined electrophysiology with behavioral learning in vivo, were used to study the effects of low frequency stimulation ( lfs ) of the dorsal norepinephrine bundle ( dneb ) on the learning - dependent long - term potentiation ( ld - ltp ) at the hippocampal mossy fiber synapses onto ca3 pyramidal neurons. paired - pulse technique at the intervals of 75 - ms, 150 - ms and 300 - ms was used as the test stimulation. the results showed as follows : 1
本實驗運用慢性微電極埋植技術和電生理學結合行為學的在體研究方法,以配對脈沖檢測(間隔分別為75ms , 150ms , 300ms )為檢測手段,探查了低頻( 1hz , 5hz )刺激去甲腎上腺素背束( dorsalnorepinephrinebundle , dneb )對大鼠苔蘚纖維- ca3 ( mf - ca3 )突觸上習得性長時程增強( learning - dependentlong - termpotentiation , ld - ltp )及動物行為習得的影響。The results show that the technique can be effectively applied to such problems in gpr signal processing as detection and time delay estimation
分析結果證明,這種方法可以有效地用於目標檢測,時延估計等脈沖探地雷達信號處理中的關鍵問題。What i have done in this subject include : 1. consult the reference about gpr and appreciate the general theory of gpr ; 2. analyze the signal model of carrier - free pulse ground penetrating radar and the feature of each part of radar echo data
本人的主要工作包括: 1 .查閱探地雷達資料,了解探地雷達基本原理; 2 .分析無載頻脈沖探地雷達回波數據信號模型及各信號分量特徵; 3 .研究並完成信號處理演算法,即雜波抑制和合成孔徑處理兩部分演算法; 4 .實測數據進行模擬,驗證演算法效果並分析模擬結果。Beam scanning and wind field measurement of direct - detection doppler lidar
激光多脈沖探測的計算機模擬與實驗研究The wind profiler works on the principle similar to that of a radar by sending out pulses of electromagnetic waves vertically upward into the atmosphere
氣流剖析儀的操作原理與雷達相類似,兩者都是向天空發出電磁波脈沖探測大氣。Furthermore, it is further discussed that imaging and inconsistency of channels have an effect on monopulse detection system
在此基礎上,又進一步討論了單脈沖成像技術和通道不一致性對單脈沖探測系統的影響。分享友人