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- modulation frequency ratio 調制頻率與載頻的比
- And higher modulation frequency can be achieved with small current aperture and adequate spontaneous emission factor. 通過(guò)減小VCSEL電流孔徑、適當增大自發(fā)輻射因子可以實(shí)現比邊發(fā)射器件高幾倍的傳輸速率;
- If this modulation frequency is present the output of the comparator will be low. 如果這是本調制頻率的輸出將是比較低。
- This paper delves into the method of finding the best damp ratio and intrinsic frequency ratio of CVIS. 得出系統求解方程及尋找最佳阻尼比和固有頻率比的方法。
- It is convenient to change the optical intensity of the sidebands by tuning the DC bias voltage while the microwave modulation frequency and power are fixed. 當微波調制頻率及功率一定時(shí),可方便地調節直流偏置電壓來(lái)改變各階光波的強度。
- In chapter 3,the relationship of the parameters such as frequency ratio, mass ratio, damper ratio of mega_frame and substructure, and mean-square of random response is given . 3.在第3章,結合頻域分析法和隨機分析方法對單層巨型鋼框架懸掛結構體系進(jìn)行了主子結構間質(zhì)量比、頻率比、阻尼比等參數的優(yōu)化分析研究。
- Experimental data show that the intensity modulation depth increases with the bias current of LD.When the modulation frequency increases,the intensity modulation depth decreases. 實(shí)驗數據表明,光強調制度隨激光器偏置電流的增加而加深,隨調制頻率的升高而減小。
- The character of FSK spectrum is centrosymmetric, spectrum peaks spread with an interval of the modulation frequency, so the right frequency cannot be got by FFT spectrum. 移頻信號的頻譜特性是譜峰以新出現的邊頻頻率為中心,以低頻頻率為間隔向兩邊展開(kāi),通過(guò)FFT譜分析不能得到精確的結果;
- The bouncing overall power is nearly maximized at the optimum frequency ratio of the minimum pitching overall power.The higher rear-frequency and The higher rear-damping ratio reduce pitching motion. 跳動(dòng)總功率在最小俯仰總功率的最佳頻率比時(shí),幾乎達到最大值,較高的后頻和較高的阻尼比減少了俯仰運動(dòng)。
- With the increases of the inclined angle and the mass ratio, the resonance amplitude will decrease when the frequency ratio is 1, but it will increase obviously when the frequency ratio is 1/2 and 2. 隨著(zhù)拉素傾角和橋面與拉索質(zhì)量比的增大,橋面與拉索的頻率比為1時(shí),拉索的共振振幅減小,而橋面與拉索的頻率比為1/2和2時(shí),共振振幅將明顯增大。
- The characters of this improved circuit are not only low phase noise and high stable carrier but also ideal AF modulation frequency response, excellent anti-vibration and temperature performance. 該電路不僅具有低的相噪、高穩定的載波,還具有理想的音頻調制頻響、優(yōu)良的抗震動(dòng)性能和溫度性能。
- The change of the modulation frequency will change the corresponding frequency value of the protuberant part on the PSD curve, and at the same time the peak value of the protuberant part is changed. 當調制頻率不同時(shí),PSD曲線(xiàn)的突變部分會(huì )發(fā)生相應的頻移,調制頻率高則突變發(fā)生在空間頻率較高的頻段,同時(shí)PSD峰值不變。
- To solve the problem of sky-high modulation frequency requirement in MOG (Micro-Optical Gyroscope), a new double-frequency modulation technology based on triangular wave was proposed. 對微光學(xué)陀螺雙頻率調制中需要極高調制頻率差的問(wèn)題,提出了一種基于三角波的雙頻率調制技術(shù)。
- An advantage of resolution is they use simple setting only a cursor, measurable the modulation frequency of the radio system that cannot survey with common frequency tally or parasitism frequency. 分辨率的一個(gè)優(yōu)點(diǎn)是他們只用簡(jiǎn)單的設置一個(gè)光標,就可測量用通俗頻率計數器無(wú)法測量的無(wú)線(xiàn)電系統的調制頻率或者寄生頻率。
- Since outputs of the master laser are antiphase for direct modulation and external modulation, the fluctuations of similarity index with modulation frequency for the two lasers are contrary. 由于內部、外部調制引起主激光器的輸出反相,兩種調制方式下同步品質(zhì)隨調制頻率的變化趨勢也相反。
- effective value - revolving frequency ratio 有效值-轉頻比
- Automatic Frequency Ratio Control 自動(dòng)頻率比控制
- Objective To observe the effect of modulated frequency sinusoidal electrotherapy on experimental renal failure in rabbits. 目的探討正弦調制電流對實(shí)驗性腎功衰竭的治療作用。
- Many kinds of modulation frequency output 多種調制頻率輸出
- Frequency Modulation Frequency Modulation 調頻-調頻