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- Heart Sound Scope Design 心普图示仪的设计
- It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals. 该电路涉及到放大、滤波、电平抬升等电路,并给出了安全设计问题,利用驻极体电容传声器来拾取心音信号。
- Then on the heart sound envelope, S1 and S2 were recognized. 然后利用数学形态学方法提取心音信号的包络;
- Design scope Design scope of this project includes water, sewage water, rainwater, fire-protection in the building, and water and sewage water within the red line. 设计范围包括红线内的饮用水,污水,雨水,建筑消防。
- It consists of a phonocardiogram sensor, a heart sound collecting and processing circuit, and a computer. 该系统由心音传感器、心音信号采集处理电路及计算机组成。
- The 3rd heart sounds is physiology sex, without pathology meaning. 第三心音是生理性的,没有病理意义。
- Cardiovascular examination showed a normal first heart sound but a prominent pulmonic second sound, with no audible murmur of tricuspid insufficiency. 心血管检查显示,第一心音正常,但肺动脉第二心音亢进,未听到三尖瓣关闭不全的杂音。
- 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,又叫室性奔马律,低音调,用钟式听诊器在心尖处听得最清楚。
- Binaural Receiver Type Sound Scope 双耳接收器式杂音探测器
- The heart sounds are muffled when the pericardial sac is distended with fluid. 当心包充满液体时心音减弱。
- 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,又叫房性奔马律,收缩期前奔马律,也是心室顺应性改变的结果。
- 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;郭爱雯.;基于连续小波变换得心音信号时频分析
- "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. 穿越心灵的旷野,透过跳动的心音,细细地看,静静地听,苦等的爱情在遥远的距离之中。
- Firstly,the original heart sounds signal was preprocessed by Huang Transform. 首先利用黄变换对心音信号进行预处理;
- My heart beat thick in the course of the interview. 在面试过程中我的心跳得厉害。
- An instrument consisting of microphones and recording equipment used to monitor and record heart sounds and murmurs. 心音描记图由话筒和记录装置组成的仪器,用来监测和记录心脏声音和杂音
- 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. 在这里本文又引入了数学形态学理论,利用它提取了心音信号的包络,然后合成了自适应滤波需要的参考。 这样得到的噪声信号虽然在心音成份部分不能保证与原心音中的噪声相关,但在心音间隙期二者是强相关的,利用这种相关性,在这里滤去间隙期的噪声信号,得到了分界更清晰的心音图,为心音成份的识别打下基础。
- A graphic record of heart sounds and murmurs that is produced by a phonocardiograph. 心音描记图通过心音描记器产生的心脏声音和杂音的图画记录
- 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. 本文利用心音信号在小波域的分布特点,提出了一种基于小波变换域的参数化双谱心音信号分析方法。
- 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. 本文介绍一种频谱分析仪与微处理机间的接口电路和程序,可将频谱分析仪所采集的心音送入微处理机。