signal n. 1.信號,暗號;信號器。 2.動機(jī),導(dǎo)火線 (for)。 3.預(yù)兆,征象。 call signal 【無線電】呼號。 an alarm signal 警報(器)。 an information signal 〔美國〕暴風(fēng)警報(旗)。 an international code of signals 國際通用信號。 a signal of distress =a distress signal 船只失事信號。 adj. 1.暗號的,作信號用的。 2.顯著的,非常的,優(yōu)越的。 a signal victory [defeat] 大勝[敗]。 vt.,vi. (〔英國〕 -ll-) 發(fā)信號[警報]給(人、船等);用信號[警報]通知(暴風(fēng)、危險等);用動作[手勢]示意;預(yù)示。 a signaling bomb 信號彈。
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。
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。
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,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)估計差拍信號的頻率(距離)的位置,從而提高頻率(距離)估計精度。
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。