signal change造句
例句與造句
- Signal change interval
號志轉(zhuǎn)換時段 - Relationship between surface electromyographic signal changes and subjective assessment of muscle fatigue during isometric contractions
變化與主觀疲勞感之間的關(guān)系 - Application of wavelet transform and wavelet entropy in the characteristic study of sleep electroencephalogram signal change
小波變換和小波熵在睡眠腦電信號變化特性研究中的應(yīng)用價值 - The information disseminated through these media includes storm movement , possibility of signal changes and precautionary actions
經(jīng)這些媒介發(fā)放的信息包括熱帶氣旋的動向，改變信號的可能性和應(yīng)采取的防風(fēng)措施等。 - The information disseminated through these media includes storm movement , possibility of signal changes and precautionary actions
經(jīng)這些媒介發(fā)放的信息包括熱帶氣旋的動向，改變信號的可能性和應(yīng)采取的防風(fēng)措施等。 - It's difficult to find signal change in a sentence. 用signal change造句挺難的
- We do not have statistics on cases where pedestrians were knocked down by vehicles due to failure to cross the road before the traffic light signals changed
我們沒有就因未能在交通燈號轉(zhuǎn)變前及時橫過馬路而遭車輛撞倒的個案數(shù)字作出正式的統(tǒng)計(jì)。 - It has been reported that on september 3 this year , an 81 years old man was knocked down and killed by a vehicle on prince edward road west because he failed to cross the road before the traffic light signal changed
據(jù)報(bào)，本年九月三日，一名八十一歲老翁在旺角太子道西因未能在交通燈號轉(zhuǎn)變前及時橫過馬路而遭車輛撞死。 - ( 2 ) damage detection based on wavelet transformation using the principle of time - frequency analysis based on orthonormal discrete wavelet transformation , it can detect damage by analyzing how the frequency content of observation signal changes with time
該方法利用基于離散正交小波變換的信號時頻分析原理，通過分析觀測信號的頻譜隨著時間的變化情況來檢測破損。 - In this thesis a high precision frequency ( range ) estimation technique based on the phase of the fft of the beat - note signal is presented . the phase of the fft of the beat - note signal changes with the range between the radar and the liquid surface
差拍信號的fft幅度最大處的相位隨距離變化，因此可以利用fft相位在一個頻率(距離)分辨單元范圍內(nèi)估計(jì)差拍信號的頻率(距離)的位置，從而提高頻率(距離)估計(jì)精度。 - The other research purpose is to discover characteristic information and reliable methods of reflecting spinal cord damage . due to typical damage indicators , amplitude and latent period , have bugs such as limited information and weak stabilities , this project recommends applying time - frequency analysis to monitoring spinal cord function . through analysing and comparing typical signal with stft and cwt , it is proved indicators under time - frequency distribution can be better in reflecting signal changes , espcially the wavelet transformation
針對目前ep監(jiān)測中判定脊髓損傷的指標(biāo)（波幅和潛伏期）存在信息量相對較小、穩(wěn)定性較差的缺陷，本課題提出利用時頻分析技術(shù)對術(shù)中脊髓功能監(jiān)護(hù)進(jìn)行研究，通過短時傅立葉變換和小波變換分析和比較典型信號的時頻分布，證明時頻特征參數(shù)能更有效的提取信號的變化信息。 - A infrared system with which can detecte the pulse of human . because human body are semitransparent , and the transparence of it change along with the heart beat . the infrared sensor can detecte the change , we may tanslate the signal from sensor into a digital form by a cmos ic . when the signal change into a digital form , another ic can get the rhythm of the heart from the analog ic . this article designed the anologe ic which got the sensor signal into digital form
本論文完成了一個基于反射型紅外線傳感器的cmos模擬專用集成電路的設(shè)計(jì),它構(gòu)成的紅外系統(tǒng)具有探測心跳頻率的功能。設(shè)計(jì)根據(jù)人體組織的半透明度會隨心臟跳動而變化的特點(diǎn),由傳感器探測到這一變化,通過專用集成電路將信號放大并利用,獲得心跳頻率。本模擬芯片結(jié)合數(shù)字電路可計(jì)算即時心率或統(tǒng)計(jì)心跳總數(shù)。 - 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(diǎn)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。 - Main conclusions drawn from the analyses of calculating results are as follows : ( 1 ) the microwave absorption of atmosphere gas have obvious attenuation at the wavelengths for cloud detection , thereinto , the water attenuation effect changes greatly , so the 94ghz cloud detecting radar should have water vapor attenuation correction scheme . ( 2 ) when 37ghz and 94ghz radars detect clouds , the difference between the atmosphere and cloud attenuation and the large variety of radar reflectivity conduce the intension of the radar backscatter signals change . ( 3 ) for the thin cloud layer and low water content of cloud , 37 - ghz radar backscatter signals are not as good as 94 - ghz radar , that is to say that the 94ghz radar has better capability in thin clouds detection
本工作得出如下結(jié)論： ( 1 )大氣氣體的微波吸收在測云波段產(chǎn)生明顯的衰減，其中水汽衰減效應(yīng)變化很大；即將上天的空間94ghz測云雷達(dá)必須有水汽衰減訂正方案； ( 2 ) 37ghz和94ghz雷達(dá)測云，由于大氣和云衰減不同和雷達(dá)反射率的很大差異，導(dǎo)致雷達(dá)回波信號強(qiáng)弱不同； ( 3 )對云層較薄、含水量較少的云，在不計(jì)雷達(dá)參數(shù)的情況下， 37ghz雷達(dá)回波信號不如94ghz測云雷達(dá)，也就是說94ghz對薄云有更強(qiáng)的探測能力；對云層較厚、含水量大的云，由于強(qiáng)衰減的作用， 94ghz雷達(dá)回波信號小于37ghz雷達(dá)； ( 4 )從大氣衰減的不利因素方面考慮，空間94ghz雷達(dá)測高層薄云的效果最好；測低層薄云時需要考慮氣體衰減訂正；因濃厚云的強(qiáng)衰減作用，探測其中下部的能力大大減弱，不僅要進(jìn)行衰減訂正，而且要借助其他信息來反演整個云層的含水量垂直分布； （ 5 ）為了獲得從極薄到極濃厚云的垂直分布探測能力，未來測云雷達(dá)系統(tǒng)最好采用雙波長甚至三波長（如94 、 37和13ghz ） 。 - Combined with the research project of the advanced performance of wire rope in the port cranes , a key technological problem of the ministry of communications , this dissertation investigated the stress - effect on the magnetic flux leakage ( mfl ) of wire ropes and the law of the mfl signal changes during wire rope fatigue testing by experiments and modern signal processing methods based on the ferromagnetic theory , being aimed at the present problems of current wire rope testing technology . the characteristic parameters and quantitative descriptive specifications for wire rope defective signal were analyzed in detail . this dissertation present a novel method of quantitatively evaluating locate faults ( lf )
本文結(jié)合交通部重點(diǎn)科技項(xiàng)目“港口起重機(jī)鋼絲繩傳動件的高性能技術(shù)研究” ，針對當(dāng)前鋼絲繩電磁檢測技術(shù)中所存在的問題，以鐵磁學(xué)為理論基礎(chǔ)，以試驗(yàn)和現(xiàn)代數(shù)字信號處理技術(shù)為手段，對鋼絲繩漏磁信號的應(yīng)力效應(yīng)、鋼絲繩疲勞損傷歷程中的漏磁信號變化規(guī)律做了深入的研究，對鋼絲繩缺陷信號的特征參數(shù)和缺陷的定量描述指標(biāo)做了詳細(xì)的分析，提出了一種局部缺陷的定量逼近方法。