在矩形小房间内，低音扬声器和传声器的位置互换后，测量得到的低音扬声器的频响曲线与互换前是一致的。
When positions of a microphone and a woofer are exchanged in a small rectangular room, a similar frequency response curve can be obtained.
约一分钟后，吊在接收船下的传声器收听到这一声音。
About a minute later, the sound is picked up by a microphone suspended under the receiving ship.
最终我们研制成具有防粘结构的硅微电容传声器。
Finally, the silicon condenser microphone with this anti-stiction structure was fabricated successfully.
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。
It also gives a safety design problem analysis using an electret capacitor microphone to pick-up the heart sound signals.
传声器的指向性对声场方向性分布的测量有很大影响。
The directional characteristic of microphone is an important factor in the measurement of directional distribution of sound field.
扬声器。耳机胶盖。传声器及话筒特性表。
Tabular layouts of article characteristics for loudspeakers, receiver capsules, microphones and transmitter capsules.
现有技术中传声器的背侧孔典型地要求在制造过程中于硅片的后表面上进行一种二次机加工操作。
The backside holes of prior art microphones typically require that a secondary machining operation be performed on the rear surface of the silicon wafer during fabrication.
形成的一个电容性安排的一部分的多个梳齿可以制成该差动式传声器膜片的一部分。
Comb fingers forming a portion of a capacitive arrangement may be fabricated as part of the differential microphone diaphragm.
传统声源定位系统主要基于传声器阵列定位技术，其缺点在于阵列体积大，覆盖范围较小，定位精度不高。
Traditional sound localization system is mainly based on microphone array localization technology, the drawback is the large size of array, limitation of coverage and low positioning accuracy.
所以在应用双传声器声强测量法测量声功率时将受到有旋性的影响。
The measurement of sound power by use o the two-microphone technique will be affected by the rotation of the active intensity.
硅微电容传声器最近取得了突破性进展。
A great breakthrough had been made recently in silicon condenser microphone domain.
第二章介绍波动方程、声能、声能流密度、声强及度量方法、双传声器互谱声强测量原理。
In chapter two, wave motion equation, sound energy, sound energy flux density, sound intensity and its scaling method and the theorem of two-microphone sound intensity have been introduced.
与传统传声器阵列相比，体积更小易于设置，覆盖范围更大，定位精度也更高。
Compared with the traditional microphone array technology, it is smaller which means easy to set. It has greater coverage and the positioning accuracy is also higher.
对现场测量管道声衬声阻抗的双传声器法进行了研究。
The two-microphone method is investigated for the objective of in situ measuring the impedance of an acoustic liner in a duct.
这个二次操作使如此制造的微机械加工的传声器增加了复杂性和成本。
This secondary operation adds complexity and cost to the micromachined microphones so fabricated.
该方法根据自适应消噪原理，利用两只传声器采集多个说话人的混合语音，进行分离试验。
The method is derived from the principle of adaptive noise cancelling, which uses two microphones to collect several speaker's mixed-speech signals for separation tests.
本文对驻极体电容传声器的原理及噪声作了分析，这将有助于提高它的电特性。
The principle of electret condenser microphone and its noise are analyzed in the paper. It will be helpful to improve the electric specification.
本文通过球面传声器阵列测量法，研究了用于评估通信设备(例如移动电话)的背景噪声重放问题。
Background noise reproduction for the evaluation of telecommunication devices, such as a mobile phone, was investigated using the measurement of spherical microphone arrays.
这两种技术都需要用球面传声器阵列进行录音。将这两种技术与现有技术如四扬声器回放(ETSI EG 202 396-1)进行了比较。
Both techniques require the same type of recordings using a spherical microphone array. They were compared with existing techniques, such as the four-loudspeaker playback in ETSI EG 202 396-1.
临床实验表明，利用驻极体传声器基本上能采集到正常的第一、第二心音，但对有病理信息的第三、第四心音却不易正确采集到，这与患者性别和胖、瘦等因素均有关系。
The clinical experiments have indicated that the first and second heart sound can be almost acquired by the microphone, but it is difficult for the third and fourth, w…
驻极体传声器是一种用驻极体材料制造的新型传声器。
The electret microphone is a new microphone which is made with the electret material.
耳机、耳塞机，不论是否装有传声器，由传声器及一个或多个扬声器组成的组合机。
Headphones and earphones, whether or not com - bined with a microphone, and sets consisting of a microphone and one or more loudspeakers.
你看，传声器作用与电话的送话器很相像。
The microphone, you see, ACTS much like a telephone transmitter.
没有专门的校准设备通常难以进行测试传声器灵敏度校准，这个因素限制了传声器的日常校准。
Generally, it is difficult to calibrate microphone sensitivity without special calibration instruments, which makes the maintenance of microphone can't be done frequently.
驻极体传声器测试仪是用来测试传声器的灵敏度及频率响应的。
The electret microphone tester is used to test electret microphone's sensitivity and frequency response.
分析了驻极体传声器的电路模型及其传统的前置放大电路。
This paper discussed the circuit model of a electret microphone and the conventional microphone preamplifiers.
根据引信保险机构系统特性分析，选择驻极体传声器作传感器，从而获得引信保险机构的状态信号。
Based on the characteristic analyses of fuze arming device, a special acoustic transmission device is selected to obtain the state signal of the device.
最后简要介绍了该驻极体传声器测试仪所达到的性能指标。
Finally the performance of the electret microphone tester is described.
实验结果表明，风机管道中空气流动对传声器测量信号的影响很大。
The experimental result shows that the measurements with microphone are highly sensitive to airflow in the fan duct.
本文简要地介绍了自动传声器混合技术的原理以及自动传声器混合器必备的功能，并介绍一种国外新近研制成功的自动混合控制器。
The principle of automatic microphone mixing technique and the necessary functions of automatic microphone mixer are introduced briefly. A new automatic mixing console developed abroad is recommended.
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