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- It consists of a phonocardiogram sensor, a heart sound collecting and processing circuit, and a computer. 該系統由心音傳感器、心音信號采集處理電路及計算機組成。
- heart sounds sensor 心音傳感器
- Then on the heart sound envelope, S1 and S2 were recognized. 然后利用數學(xué)形態(tài)學(xué)方法提取心音信號的包絡(luò );
- Based on the principle of the differentiating interferometer, a novel optical fiber sound sensor was presented. 摘要基于微分干涉儀原理，建立了一套新型光纖聲傳感器系統。
- Cardiovascular examination showed a normal first heart sound but a prominent pulmonic second sound, with no audible murmur of tricuspid insufficiency. 心血管檢查顯示,第一心音正常,但肺動(dòng)脈第二心音亢進(jìn),未聽(tīng)到三尖瓣關(guān)閉不全的雜音。
- The 3rd heart sounds is physiology sex, without pathology meaning. 第三心音是生理性的，沒(méi)有病理意義。
- S3 .The third heart sound (S3, or ventricular gallop) is low-pitched and best heard at the apex with the stethoscope bell. S3第三心音，又叫室性奔馬律，低音調，用鐘式聽(tīng)診器在心尖處聽(tīng)得最清楚。
- It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals. 該電路涉及到放大、濾波、電平抬升等電路,并給出了安全設計問(wèn)題,利用駐極體電容傳聲器來(lái)拾取心音信號。
- S4.The fourth heart sound (S4, atrial gallop, presystolic gallop) is also the result of altered ventricular compliance.Its cadence has been likened to the soft a of appendix. S4第四心音，又叫房性奔馬律，收縮期前奔馬律，也是心室順應性改變的結果。
- The heart sounds are muffled when the pericardial sac is distended with fluid. 當心包充滿(mǎn)液體時(shí)心音減弱。
- Huiying Liang.Iire artimo."A heart sound feature extraction algorithm based on wavelet decomposition and reconstructin,"IEEE,vol.20,no,3,PP.1539-1541,1998. 李勇;高小榕;郭愛(ài)雯.;基于連續小波變換得心音信號時(shí)頻分析
- "Cross the weald of the mind, through heart sound jump about, see small and softly, hear quietly, the bitterness love of[with] etc. is in the faraway distance. 穿越心靈的曠野，透過(guò)跳動(dòng)的心音，細細地看，靜靜地聽(tīng)，苦等的愛(ài)情在遙遠的距離之中。
- Firstly,the original heart sounds signal was preprocessed by Huang Transform. 首先利用黃變換對心音信號進(jìn)行預處理;
- My heart beat thick in the course of the interview. 在面試過(guò)程中我的心跳得厲害。
- So, this paper uses mathematical morphology theory to catch heart sound envelope, and then composes the reference noise which is heavily correlative to the noise in the primary PCG signal. 在這里本文又引入了數學(xué)形態(tài)學(xué)理論,利用它提取了心音信號的包絡(luò ),然后合成了自適應濾波需要的參考。 這樣得到的噪聲信號雖然在心音成份部分不能保證與原心音中的噪聲相關(guān),但在心音間隙期二者是強相關(guān)的,利用這種相關(guān)性,在這里濾去間隙期的噪聲信號,得到了分界更清晰的心音圖,為心音成份的識別打下基礎。
- An instrument consisting of microphones and recording equipment used to monitor and record heart sounds and murmurs. 心音描記圖由話(huà)筒和記錄裝置組成的儀器，用來(lái)監測和記錄心臟聲音和雜音
- With distribution feature of heart sound signals in wavelet domain, an analysis method is proposed for parametric bispectrum of heart sound signals based on wavelet transform domain in this paper. 本文利用心音信號在小波域的分布特點(diǎn),提出了一種基于小波變換域的參數化雙譜心音信號分析方法。
- A graphic record of heart sounds and murmurs that is produced by a phonocardiograph. 心音描記圖通過(guò)心音描記器產(chǎn)生的心臟聲音和雜音的圖畫(huà)記錄
- Novel Optical Fiber Sound Sensor Based on Differentiating Interferometer 基于微分干涉儀的新型光纖聲傳感器
- This paper describes an interface and programs which connect the spectral analyzer and microcomputer To zse them may send the heart sound collected by spectral analyzer to the micrceomputer. 本文介紹一種頻譜分析儀與微處理機間的接口電路和程序,可將頻譜分析儀所采集的心音送入微處理機。
