滾降率 的英文怎麼說

中文拼音 [gǔnjiànglǜ]
滾降率 英文
roll off rate
  • 滾 : Ⅰ動詞1 （翻轉; 滾動） roll; turn round; trundle 2 （走開; 離開） get away; beat it 3 （液體沸騰）...
  • 降 : 降動詞1. （投降） surrender; capitulate 2. （降伏） subdue; vanquish; tame
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Analyze, design and simulate the digital down - convert frequency. first, the analogue if signal is converted to digital if signal in one a / d convertor which used passband sampling theory. the digital if signal is then passed to a pair of digital mixers operating in phase quadrature for mixing the if signal to baseband signal

    首先利用帶通采樣定理對中頻模擬信號進行a / d變換后將其混頻到基帶，然後用平方根升餘弦滾降濾波器同時完成低通濾波和匹配濾波雙重作用，以提高解調器的效率。
  2. With roll - off factor of 1. 35, rs coding efficiency of the goat. coding efficiency 7 8 rate for qpsk symbol rates by 2

    其中滾降系數為1 . 35 ， rs編碼效率為188 204 ，卷積碼編碼效率為7 8 ， qpsk碼率為符號率乘2
  3. Owing to lacking of economic accumulation, limitation of fund and influence of market capital profit orientation, economic elements, for instance talented person, technology and bankroll flow into eastern area in many minority regions, such as subei district. it makes local economy capital weaker, economy growth and performance slower and gap wider, compared with advanced regions

    包括許多肅北縣這樣的民族自治地方由於經濟積累不足，財富有限，受市場經濟資本趨利性影響，人才、技術、資金諸要素卻不斷流向東部地區，使民族地區經濟資本更加弱化，與發達地區相比較經濟滾動速率降低，績效下滑，發展滯緩，差距拉大。
  4. We have designed a new type of ijf code to reduce the envelope fluctuation, and have also got the reduced envelope fluctuation ijf - oqpsk. it has faster roll off of the power spectrum and lower energy of band out

    本文設計了一種能夠抑制包絡起伏型的ijf信號碼型，並相應地得到了抑制包絡起伏型的ijf ? oqpsk ，它具有更快的功率譜滾降特性和更好的相位路徑。
  5. The large c1 cap rolls off the gain of the regulator starting at a low frequency so that high frequency noise isn ' t amplified by the error amp

    這個大的電容c1從一個較低的轉折頻率開始滾降，所以高頻噪音沒有被誤差放大器放大。
  6. To extand the length of lower feed roller. to offer you more stable feeding, low breakdown and easy to repair. the machine speed don ‘ ‘ t disturb the stitch length

    加長下滾輪長度，使送布穩定，降低故障率，更換容易，不因速度快慢產生大小針。
  7. Because msk phase is continuous, the rolloff velocity of the msk spectrum to the psk was improved greatly. on the other hand, if the channel ' s bandwidth is presented, the data transmission rate of msk is better than that of bpsk. 2

    由於msk相位連續，它相對于psk頻譜的滾降速度有了很大的改善；另外在給定通道頻帶的時候，它比bpsk傳輸的數據速率高，每秒能傳輸更多的比特。
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