It is suggested that future heart sound detection instrument should be digitization, multimedia and intelligence to meet different application requirements.
指出了心音检测仪将逐步向数字化，多媒体化，智能化的发展趋势。
However, the heart sound detection is still only an accessorial tool to diagnose or evaluate cardiac function, because it lacks objective and quantitative indices.
但是由于缺乏能够客观量化的指标，使得心音信号检测在诊断和评估心功能方面仍然只是一种辅助手段。
A method of sound detection under strong noise conditions is advanced applying the theory of differential amplifier and utilizing transducers having different sensitivities.
提出了应用差动放大理论和灵敏度不同的传感器来完成强噪声环境下微弱声信号提取的方法。
Abstract: To reduce the fluctuation of frequency response of a Distributed Feedback (DFB) fiber laser used in underwater sound detection, an encapsulated structure with orifices was designed.
摘要：针对分布反馈式(DFB)光纤激光器用于水声探测时频响曲线起伏较大的问题，设计了一种开孔套管式封装结构。
In the design, in view of the breakdown different form, has studied the sound detection law, the pulse magnetic field law, the audio frequency induction method and so on each method principle.
在设计中，针对故障的不同形式，研究了声测法、脉冲磁场法、音频感应法等各种方法的原理。
One advantage of acoustic detection is that sound travels rather better in water and ice than light does.
利用声学原理探测中微子的一个优势就是：与光相比，声音在水或冰中更容易传播。
The company's app aggregates users' photos by location, using factors like GPS as well as sound and light detection.
该公司的应用可以利用GPS以及声音或者光线检测等因素，根据地点将用户的照片聚集起来。
According to the difference of the medium, along which the surface sound wave propagates, the detection method is classified, and the general principle, progress, and its application are introduced.
根据表面声波传播介质的不同，对检测方法进行了分类，并从检测原理，研究进展及应用等方面对各检测方法进行了详细介绍。
To detect water leaking of underground tube, the traditional method relies on the sound-electricity transformation. Therefore, detection sensitivity, depth and distance suffer great limitation.
传统的检测地下管道漏水的方法是以声—电转换为基础，这使得灵敏度、深度和距离都受到很大限制。
Conclusions Sound stimulation test is simple, convenient and economic in neonatal hearing screening, so that it is a good method for early detection of hearing disability.
结论声刺激检测新生儿听力能代表绝大多数新生儿听力状态，且检测记录方便，理应做为新生儿听力筛查的方法之一。
In accordance with international standards called for the establishment of a sound surface, auxiliary materials detection system and improve product quality guarantee system.
根据国际标准要求建立了完善的面、辅料检测系统和完善的产品质量保证体系。
Adopting the numeric simulation and the numeric detection technique, the analysis and discussion is made for the eigenvector selection in the measurement of abnormal sound of bearings.
采用数字仿真和数字检测技术，对轴承异常声检测特征量的选择进行了分析讨论。
Finally arithmetic processing of detection and orientation are completed, function of sound source orientation is accomplished.
最终完成目标探测识别的算法处理，实现声源定位识别功能。
Investigating the channel of the underwater sound and the effect of the signal detection in it, by utilizing the obtained results, the optimum receiving direction can be chosen.
当研究水声信道和信号在其中的检测效果时，利用本文的结果可以选择最佳的接收方向。
The company has advanced machinery and equipment and first-class processing technology, has improved detection instruments and sound after-sales service network.
公司拥有先进机械设备和一流的加工技术、具有完善的检测手段和健全的售后服务网络。
The company has advanced machinery equipment first-class processing technology, has improved detection instruments sound after-sales service network.
公司拥有先进机械设备和一流的加工技术、具有完善的检测手段和健全的售后服务网络。
The study focuses on environmental sounds recognition after the monitoring center receiving audio data from the sea. First a brief introduction is given to sound propagation and detection process.
课题研究内容主要是对于已经接收到监控中心的海上音频数据进行识别，首先介绍了声音传播和检测过程及其对后续处理的影响；
In order to avoid such accident, a warning system using passive infrared target detection was developed. It can search body targets in the mine cars and give sound and light warning as well.
为了避免此类事故，根据红外检测原理研制了被动式红外探测报警系统，以此对矿车里的人体目标进行检测，并作出声、光报警。
The optimal application of sound pole, leak detector and correlator supported by leak detection program have improved the accuracy of leak detection of underground water pipelines.
听音杆、检漏仪和相关仪等设备的优化使用，加之合理的检漏程序，提高了地下输水管道漏点检测准确率。
There is a connection guiding, real-time detection, fault judging, alarm records, sound-light alarm, the screen prompt, safety preferred real-time automatic control function.
有连接导引、实时检测、故障判断、报警记录、声光报警、屏幕提示、安全优先的实时自动控制功能。
Separation of speech in voice communications, acoustic target detection, sound signal enhancement, and so has important theoretical significance and practical value.
语音分离的研究在语音通信、声学目标检测、声音信号增强等方面有着重要的理论意义和实用价值。
Described are the sound source detection method for the aerodynamic noise on Shinkansen rolling stock and relevant noise reduction measures.
介绍了新干线车辆空气动力噪声的声源探测方法及相应的降噪措施。
This technique solves the puzzle of sound wave coupling and makes sure that the quality with ultrasonic detection is sound.
这一技术解决了声波耦合的难题，使超声波自动检测质量得到了保证。
Because of the disadvantages of the hydrogen detection methods at present, the hydrogen micro-sensor detection system was designed based on a new type of piezoelectric-sound-resonance cavity (PSRC).
针对目前氢气检测的各种弊端，设计了一种基于微压电声学谐振腔的氢气浓度检测系统。
The current detection method of motorcycle engine abnormal sound is artificial auscultation, which is very subjective and easy to make mistakes.
现行的摩托车发动机异响检测方法为人工听诊，主观性很强，容易出现错判。
The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.
系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。
Fifth, a sound monitoring system for AIDS and improve the detection of AIDS monitoring network.
五是健全艾滋病监测体系，完善艾滋病检测监测网络。
They rely on scent and sound primarily as their sensory detection.
它们主要依靠嗅觉和听觉来感知外界。
They rely on scent and sound primarily as their sensory detection.
它们主要依靠嗅觉和听觉来感知外界。
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