نتایج جستجو برای: capacitive microphone

تعداد نتایج: 15960  

Journal: :ACM Transactions on Graphics 2014

Journal: :Transactions of the Society of Instrument and Control Engineers 1989

Journal: :The Journal of the Acoustical Society of America 1957

Hassan Monsef Taher Ghomian

There are fewer problems encountered with optical voltage transducers in comparison with their inductive and capacitive counterparts. Although capacitive and inductive transformers are used vastly for the purpose of measurement and protection in the networks, they cause problems such as core saturation and improper transient responses which decrease the accuracy of measurement and eficiency of ...

Journal: :The Review of scientific instruments 2012
Brian S Kim Wang Zhou Yash D Shah Chuanle Zhou N Işık M Grayson

In this paper, a four-point characterization method is developed for samples that have either capacitive or ohmic contacts. When capacitive contacts are used, capacitive current- and voltage-dividers result in a capacitive scaling factor not present in four-point measurements with only ohmic contacts. From a circuit equivalent of the complete measurement system, one can determine both the measu...

Journal: :The Journal of the Acoustical Society of America 1961

Journal: :IEEE Trans. Instrumentation and Measurement 2002
Paul L. Fulmek Florian Wandling Wolfgang Zdiarsky Georg Brasseur Stefan P. Cermak

Based on a capacitive angle and angular rate sensor, a sensor measuring the relative angle between two rotating shafts has been developed. Two rotatable electrodes are placed between two sensor plates. The relative angle between the two rotors and the absolute position of the rotor blades are calculated from measurements of the capacitive coupling between different transmitting stator segments ...

Journal: :IEICE Transactions 2007
Yasuhiro Ogasahara Masanori Hashimoto Takao Onoye

Capacitive and inductive crosstalk noises are expected to be more serious in advanced technologies. However, capacitive and inductive crosstalk noises in the future have not been concurrently and sufficiently discussed quantitatively, though capacitive crosstalk noise has been intensively studied solely as a primary factor of interconnect delay variation. This paper quantitatively predicts the ...

2009

A polar pattern is a circular graph that shows how sensitive a microphone is in different directions. Each “circular” division represents 5dB of sensitivity, so you can see where the microphone picks up the strongest to the weakest sounds at different points. On the graph below, 0 degrees shows the direction the microphone is facing. 90 and 270 degrees are the sides of the microphone and 180 de...

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