聲阻抗匹配 的英文怎麼說
中文拼音 [shēngzǔkàngpīpèi]
聲阻抗匹配
英文
acoustic impedance matching- 阻 : 動詞(阻擋; 阻礙) block; hinder; impede; obstruct
- 抗 : Ⅰ動詞1 (抵抗; 抵擋) resist; combat; fight 2 (拒絕; 抗拒) refuse; defy 3 (對等) contend with...
- 匹 : Ⅰ動詞(比得上; 相當; 相配) be equal to; be a match for Ⅱ形容詞(單獨) lone Ⅲ量詞1. (用於馬、騾等) 2. (用於整卷的綢或布)
- 配 : Ⅰ動詞1 (兩性結合) join in marriage 2 (使動物交配) mate (animals) 3 (按適當的標準或比例加以...
- 阻抗 : [電學] impedance
- 匹配 : 1. [書面語] (婚姻配合) mate; marry 2. [電學] matching
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Acoustic impedance matching of middle ear
中耳聲阻抗匹配Lagrange wave speed in the release process was computed from the measurement, and result shows a good agreement with the data in literature. furthermore from the lagrange wave speed, the stress - strain relationship in the release process was calculated using the impedance match solution. comparison of the stress - strain with the fluid elastic - plastic model indicates that ofhc copper exhibits a clear work - harden behavior during the release
根據界面粒子速度剖面,計算得到了卸載過程中lagrange聲速隨界面粒子速度變化的關系,所得結果與文獻給出的數據符合很好;其次,利用阻抗匹配近似,計算分析了無氧銅卸載過程的應力-應變關系,並與流體彈塑性模型進行了比較,結果表明:無氧銅的卸載過程存在明顯的應變硬化效應。When tested with two saw filters whose center frequencies are 155mhz and 163mhz respectively, the ic completed the summing function of input signals, while the 5db bandwidth expands by about 10mhz. and the variation of the matched impedance caused by the ic is small enough to be ignored
在對中心頻率分別為155mhz和163mhz的聲表面波濾波器進行加權控制的測試中,該電路實現了信號的疊加功能,輸出信號的5db帶寬展寬約10mhz ,且電路引起阻抗匹配的變化小。The cavity depth between the rigid panel and absorption material is adjusted in order to make the surface characteristic impedance of the absorption material mathch the surface characteristic impedance of the air, so the absorption coefficient is the maximal
該系統由一層吸聲材料和可以移動的剛性板組成,調節剛性板與吸聲材料之間的空腔深度,使得吸聲材料的表面特性阻抗和空氣的特性阻抗相匹配,從而使吸聲系數達到最大。The impedance matching design of the ultrasonic motor has been completed. the measuring pzt have been adhered to either side of the stator, measuring voltage changes of it making use of piezoelectric effect when the ultrasonic motor works
為增大馬達的輸出能力,定子採用雙面粘貼壓電陶瓷驅動。建立了超聲波馬達的等效電學模型,完成了超聲波馬達阻抗匹配的設計。Presents the simple but highly reliable on - line detection of ultrasonic transducer clamping capacitance based on the impedance circuit model constructed through the impedance characteristics of the ultrasonic transducer under triple harmonics, and concludes from experimental results that this method can be used to effectively detect the variation of clamping capacitance while the transducer is operating, and the matching inductance can be dynamically regulated according to the results of detection, and dynamic matching can therefore be achieved in the real sense at the end of the transducer to improve the overall performance of the whole system
為了解決大功率超聲應用的換能器電端匹配問題,分析了超聲波換能器在諧振頻率三次諧波下的阻抗特性,給出了超聲換能器三次諧波下的阻抗電路模型.並根據阻抗電路模型建立了對超聲換能器的夾持電容實現在線檢測簡單、可靠性高的方法,實驗證明該方法有效的.該方法可以在換能器工作過程中隨時檢測夾持電容的變化,根據檢測結果對匹配電感進行動態調整,實現真正意義上的換能器電端的動態匹配,從而大大改善匹配質量,提高系統的工作性能Acoustic impedance matching
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