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- Frequency-shift keying refers to the simple case of frequency modulation by a simple signal with only discrete states, such as in Morse code or radio-teletype applications. 調頻方式也使磁帶處于飽和狀態(tài),起到降噪的作用,同時(shí)接收端的調頻捕獲效應基本消除了透印和前回聲等現象。
- On the basis of design of DDS utilizing FPGA, it presented a method of realizing the altitude modulation by generating the main wave and the modulation wave respectively, and the frequency modulation by changing frequency tuning word of main DDS. 在利用FPGA實(shí)現DDS的基礎上,使用兩路DDS分別產(chǎn)生主波形和調制波形,方便地實(shí)現兩個(gè)任意波信號的幅度調制; 同時(shí),通過(guò)調制波形數據實(shí)時(shí)控制主DDS的頻率控制字,用數字的方法直接實(shí)現波形的各種頻率調制。
- The e xperiment results demonstrate that chaotic frequency modulation (CFM) can improv e the EMC of SMPS, and the EMC of SMPS modulated by the different discrete chaot ic sequences are not obviously different. 實(shí)驗結果表明混沌頻率調制可以改善開(kāi)關(guān)電源的EMC性能,同時(shí)可以看出不同的離散混沌序列調制后的開(kāi)關(guān)電源EMC性能相差不大。
- Frequency modulation does not allow static to creep in. 頻率調制不允許靜電干擾混入。
- Frequency modulation is not possible with polychromatic light. 多色光不可能調制頻率。
- Under Tie-Line Bias Control (TBC) pattern, the area frequency modulation performance is affected directly by the value of frequency error factor k in area control error (ACE). 在TBC控制模式下,區域控制偏差(ACE)中頻率偏差系數k的取值直接影響區域調頻性能。
- Lorry, doing all he could to propitiate, by tone and manner, `have the dear child here, and our good Pross. 她這信念也絕不會(huì )因任何苦難和危險而改變。此刻她抱著(zhù)膀子出來(lái)了,用英語(yǔ)向她第一個(gè)瞧見(jiàn)的人復仇女神說(shuō),“晤,沒(méi)問(wèn)題,冒失鬼!
- How to release a Module by itself ? 模塊的版本相關(guān)性指什么?
- The figure below illustrates a simple frequency modulation architecture. 下面的圖表列舉了一個(gè)簡(jiǎn)單的調頻結構體系。
- Method:The procedure involved eliciting ABRs by clicks and slow vertex response (SVRs) by tone pips to the aided and unaided ear presented in sound field . 方法:所采用的客觀(guān)測試包括:聲場(chǎng)情況下助聽(tīng)與未助聽(tīng)的由短聲引起的聽(tīng)性腦干反應(ABR)測試及由短純音引起的顱頂慢反應(SVR)測試。
- Currently,its modulation by ATP/ADP,phospholipids and cytoskeleton are being actively studied. 目前尤以ATP/ADP、磷脂、細胞骨架對其的調控研究最為活躍。
- A method of representing data in magnetizable surface storage; for example,"modified frequency modulation". 在磁表面存儲技術(shù)中一種表示數據的方法,例如改進(jìn)型調頻制。
- To download the module by itself or as part of Gnosis Utilities. 以下載該模塊本身或將其作為Gnosis實(shí)用程序中的一部分。
- In this paper,direct platemaking technology is briefed,frequency modulated half tone dot technology (principles,characters and technologics) is emphasized. 本文簡(jiǎn)述了直接制版技術(shù),著(zhù)重敘述了調頻網(wǎng)點(diǎn)技術(shù),包括原理、特點(diǎn)及技術(shù)。
- Header is sent by the output cache module by default. 標頭是否由輸出緩存模塊發(fā)送。
- A large proton synchrotron,uses frequency modulation of an electric field to accelerate protons. 一種大的質(zhì)子同步加速器,用電域的調頻加速質(zhì)子。
- The atom's quantum fidelity evolves, periodically with time, and its frequency is modulated by radiation intensity. 原子的量子態(tài)保真度隨時(shí)間呈周期性演化,其演化的頻率受輻射強度或光子數調制。
- In the present work,modulation by melatonin of activities of carp retinal second-order neurons, horizontalcells and bipolar cells, is studied using multidisciplinary approaches. 應用多種實(shí)驗技術(shù),我們研究了褪黑素對鯽魚(yú)視網(wǎng)膜水平細胞和雙極細胞這兩種第二級神經(jīng)元信號傳遞的調制作用。
- A method of representing data in magnetizable surface storage;for example, " modified frequency modulation" . 在磁表面存儲技術(shù)中一種表示數據的方法,例如改進(jìn)型調頻制。
- Infection-points linked by tone pattern, classified into dominant type and recessive type, is an important stanchion of this theory. 調式銜接折度是折度打磨說(shuō)的重要支柱,有隱性和顯性?xún)深?lèi)。