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- A FFT spectrum analyzer was used to measure the resonant frequency. 試驗時(shí)采用六種實(shí)大尺寸試材，共振頻率之測定系利用FFT頻譜分析儀。
- Detail view of sensor to measure the inner pipe's resonant frequency. 用來(lái)測量?jì)裙芄舱耦l率之感測器詳圖。
- Analysis is made on thermally excited deflection and resonant frequency of the micromachined silicon resonant sensors. 分析了硅微機械諧振式傳感器在熱激勵下的撓曲及諧振頻率變化，建立了相應的數學(xué)模型，并對熱撓曲靈敏度進(jìn)行了優(yōu)化設計。
- Capacity existing in the circuit and consequently the resonant frequency of the antenna system. 天線(xiàn)尺寸決定回路中的電感量和電容量,從而也決定天線(xiàn)系統的諧振頻率。
- The firmness of watermelon can be nondestructively evaluated by measuring the resonant frequency of the watermelon. 西瓜的硬度可以通過(guò)檢測其固有頻率得到。
- Qf value and temperature coefficient of resonant frequency decreased gradually as (Lii/2Ndi/2)TiO3 content increased. Qf值和諧振頻率溫度系數隨(Li_(1/2)Nd_(1/2))TiO_3含量增加而線(xiàn)性下降。
- Keywords: ultrasound, achilles tendon, mechanical properties, resonant frequency. 關(guān)鍵詞：超音波、阿基里斯腱、機械特性、共振頻率。
- The results showed that the resonant frequency decreased slightly with increased number of mortise holes. 此一結果將有助于對老舊建材彈性留存率之評估，有助于此等建材之有效再利用。
- The line with an impedance of approximately 37.5 ohms around 2000 Hz is this driver resonant frequency (Fs). 該線(xiàn)與一阻抗約37.;5歐姆左右，2000年赫茲這是司機的諧振頻率（財經(jīng)事務(wù)）。
- The existence of components decreases the shielding effectiveness and resonant frequency. 元件的存在使得機箱的屏蔽效能降低，諧振頻率下降。
- This capacitance in conjunction with the inductance forms a "self resonant frequency" for your loop or inductor. 這電容在連接以感應性形成"自已諧振頻率"為您的圈或感應器。
- In other words,for a desired resonant frequency,the IE-AMC structure cell size is only about 30-40% of conventional structure. 換句話(huà)說(shuō),設計具有同樣諧振頻率的AMC結構單元,使用這種結構的單元尺寸僅為普通結構的30~40%25左右。
- The resonant frequency of the impeller blades of APU load coInPressoris a target index necessary to be controlled in the process of themaintenance of iIllPeller. APU負載壓氣機葉輪葉片的共振頻率是維修葉輪過(guò)程中需要控制的一項指標。
- The complex resonant frequency and radar cross abation(RCS)are formulated by spectral domainapproach of periodic structure. 運用無(wú)限周期結構的諸城法建立起微帶陣列天線(xiàn)的復諧振頻率和雷達散射截面公式。
- In order to make the RF source and the waveguide have the same resonant frequency,the automatic frequency control(AFC)system is used. 為了使得射頻源和波導管的頻率保持一致 ,采用了自動(dòng)頻率控制系統 (AFC)。
- To raise(atoms or molecules) to a higher energy level by exposing them to electromagnetic radiation at a resonant frequency. 充能把（離子或分子）暴露在一個(gè)共振頻率的電磁輻射下使其提高到一個(gè)較高的能量等級
- A disc-shaped spring bearing with special constructer is designed which makes the resonant frequency of the motor adjustable. 電機采用特殊結構的盤(pán)式彈簧軸承，使電機諧振頻率的設計與調整靈活方便。
- The advantage of ESPI for vibration measurement is that we can obtain the resonant frequency and the correspondent mode shape at the same time. 利用光學(xué)的電子斑點(diǎn)干涉術(shù)做為物體振動(dòng)量測之特點(diǎn)，在于獲得振頻的同時(shí)，亦可得到其對應之振型的全場(chǎng)圖。
- The hysteresis loops, response of vibration, transmissibility and resonant frequency of dampers with different thickness are obtained respectively. 獲得了鋼板厚度不同時(shí)隔振器的彈性遲滯回線(xiàn)、隔振器系統頻響特性、傳遞率及固有頻率。
- The resonant frequency of a quartz crystal is generally determined by the size of the plate combined with the mode in which it vibrates. 石英晶體的諧振頻率通常是由組合振蕩模式之振動(dòng)片尺寸來(lái)決定的。
