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- This confirms the idea that the mechanical waves generated from the convection zone are not very effective in heating the chromosphere and corona. 這就證實(shí)了一些人認為的對流層機械波并不是一個(gè)對色球和日冕的有效加熱機制的說(shuō)法。
- A vibration source and a medium are needed to form a mechanical wave. 機械波的形成需要振源和介質(zhì)。
- VHD - functions: the sine wave generated 156.25KHz. VHD --功能：產(chǎn)生156.;25KHz的正弦波。
- Design using VHDL language of sine wave generator, but the basic operation of reference for learning! 利用VHDL語(yǔ)言設計的正弦波發(fā)生器，只是基本操作，僅供學(xué)習參考！
- Adjustable square wave generator, square wave to control the amplitude, frequency, duty cycle. 可調方波發(fā)生器，可以控制方波的幅值，頻率，占空比。
- Supposition of two vibrations with same frequency and direction, condition generated mechanical wave, dynamic equation of plane harmonic wave. 同方相同頻率的兩個(gè)簡(jiǎn)諧振動(dòng)的合成;機械波產(chǎn)生的條件;平面簡(jiǎn)諧行波的運動(dòng)學(xué)方程。
- Optional shock wave generator that introduced from Germany, which has the advantages in fragmentation efficiency, low noise and low cost of lithotripsy. 采用引進(jìn)德國技術(shù)的電磁波源發(fā)生器，具有碎石效果好，無(wú)噪聲，低成本碎石的優(yōu)點(diǎn)。
- A realization technique of high speed arbitrary wave generator based on dual DDS(direct digital frequency synthesizer) is presented. 提出了一種基于雙DDS(Direct Digital Frequency Synthesizer)的高速任意波發(fā)生器實(shí)現技術(shù)。
- This paper mainly presents a advanced double circuit sine?wave generator which comprises W77E58, CPLD, AD9835 and other ASIC. 用直接數字頻率合成技術(shù)和高速單片機W77E58,可編程邏輯器件CPLD,直接數字頻率合成專(zhuān)用芯片AD9835等超大規模集成電路來(lái)產(chǎn)生具有兩路正弦波輸出的信號發(fā)生器。
- Piezoelectric wave generator contains more than eight groups of piezoelectric actuators and displacement amplifiers with flexible hinges. 壓電波發(fā)生器由八組以上壓電驅動(dòng)器及彈性鉸鏈位移放大機構組合而成。
- To overcome this disadvantage, this study is to design gapcontrolled electrodes for a shock wave generator of an electrohydraulic lithotriptor. 為克服此缺點(diǎn)，本研究主要在設計可控制間距電極組，控制間距可以產(chǎn)生更穩定的聚焦壓力。
- Energy of simple vibration, supposition of two vibrations with same direction and frequency, generation and propagation of mechanical wave, physical quantities described mechanical wave, plane harmonic wave. 簡(jiǎn)諧振動(dòng)的能量;同方向同頻率兩諧振動(dòng)的合成;機械波的的產(chǎn)生與傳播;描述機械波的物理量;平面簡(jiǎn)諧波。
- Spectrumanalyzer, Oscilloscope und Wave Generator with the help of a soundcard and the audioTester: With the help of a high quality soundcard your PC will be an audio labour. 簡(jiǎn)介：聲音測試軟件，配合一塊高質(zhì)量的聲卡，使PC機成為一個(gè)聲音實(shí)驗室。
- Abstract: In order to advance the application of various digital RF tests, Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 摘 要： 為了更好地推進(jìn)各類(lèi)數字RF應用的測試工作，泰克公司舉行新聞發(fā)布會(huì )，推出了AWG5000任意波形發(fā)生器。
- By applying vibrations to the liver, MRE obtains images of the mechanical waves passing through the organ. 對肝臟振動(dòng)的同時(shí)，MRE可獲得機械波穿透器官后所成的像。
- In order to advance the application of various digital RF tests,Tektronix held a news conference and promoted a new arbitrary wave generator called AWG5000. 為了更好地推進(jìn)各類(lèi)數字RF應用的測試工作,泰克公司舉行新聞發(fā)布會(huì ),推出了AWG5000任意波形發(fā)生器。
- The triangle wave generator, which is composed of FET and operational amplifier circuit, is applied to trigger circuit of automatic phase - shift of flash lamp. It solves the technical problem to view the high frequncy vibrator. 場(chǎng)效應管與運算放大器組成的三角波信號發(fā)生器,用于頻閃燈觸發(fā)信號的自動(dòng)移相,解決了觀(guān)察高頻振動(dòng)物體的關(guān)鍵技術(shù)問(wèn)題。
- small amplitude mechanical wave equation 小振幅機械波動(dòng)方程
- By requirement of 2008 Olympiad sailing games at Qingdao, the experimental study on breakwaters for structural stability, wave overtopping and reflection are made in the two-dimension wave flume with irregular wave generator. 2008北京奧運會(huì )青島帆船比賽基地工程為了保證賽場(chǎng)基地內工程的水工建筑物安全可靠，滿(mǎn)足奧運會(huì )期間帆船比賽的各項要求，進(jìn)行波浪斷面物理模型試驗，以驗證防波堤斷面結構的合理性及穩定性。
- Analysing spectrograms,judging what the mechanical waves or drawing waves are,calculating their wavelength,finding the defective parts and being necessary to control them effectively. 分析波譜圖,判斷機械波和牽伸波,計算其波長(cháng),找出缺陷部件,并有效加以控制。
