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- The main purpose is to study further in the constant envelope and Quasi-constant envelope modulations with high modulation efficiency. 主要研究適合深空信道傳輸的具有恒定或準恒定包絡(luò )的高效數字調制方式與直接序列擴頻相結合的組合調制解調方式。
- We use simulation and measurement to verify the LINC transmitter superior to a single Class-A power amplifier on both linearity and efficiency when a variable envelope modulated signal is used. 我們也使用模擬以及實(shí)作量測去驗證當時(shí)變振福的調變訊號被發(fā)送時(shí),LINC發(fā)射器可以在線(xiàn)性度和效率上優(yōu)于單一個(gè)A類(lèi)線(xiàn)性功率放大器。
- Have you stuck down the back of the envelope? 信封背面開(kāi)口處貼牢了嗎?
- He steamed the stamp off the envelope. 他用蒸汽把信封上的郵票揭下來(lái)。
- Carrier Envelope Modulation ( CEM ) 載波包絡(luò )調制
- He glued a stamp onto the envelope. 他把郵票貼在信封上。
- As he picked up the envelope, a key dropped out. 他揀起信封時(shí),一把鑰匙掉了出來(lái)。
- As she picked up the envelope, a key dropped out. 她拾起信封時(shí),一把鑰匙掉了出來(lái)。
- Put a stamp on the envelope, will you? 在信封上貼張郵票,好嗎?
- He stuck a stamp on the envelope. 他在信封上貼上郵票。
- She opened the envelope with her fingertips. 她用指尖弄開(kāi)了信封。
- The envelope's seal was torn open. 信封封緘被撕開(kāi)了。
- The (flap of the) envelope was unstuck. 信封(的封口)沒(méi)粘住。
- There are several enclosures in the envelope. 信封內裝有幾份附件。
- An envelope or wrapper for mail. 封套,信封為郵寄而制的信封或封套
- A good way to remove a stamp from an envelope is to soak it off. 從信封上取下郵票的一個(gè)好辦法就是用水把它泡下來(lái)。
- I enclose a stamped addressed envelope for your reply. 茲附上貼有郵票并寫(xiě)好地址的回郵信封。
- He ripped off one end of the envelope and pulled out the letter. 他撕開(kāi)信封的一端,抽出里面的信件。
- Object repository support for creating shared, reusable form and data module. 用于創(chuàng )建共享、可重用窗體和數據模塊的對象儲存庫支持。
- A paper or thin cardboard envelope for a phonograph record. 唱片套子留聲機唱片的紙套或薄紙板封套