spurious modulation 中文意思是什麼
spurious modulation
解釋
寄生的調制- spurious : adj. 1. 假的，亂真的，偽造的。2. 欺騙性的；謬誤的。3. 私生的。adv. -ly ,-ness n.
- modulation : n 調整，調節；（聲調的）抑揚，變化；【音樂】轉調，變調；【無線電】調制。 amplitude modulation 振...
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Vector modulators have been used in this paper to vary the phase and amplitude of signals in the in - band spurious cancellation loop of feed - forward power amplifiers ( ffpa ). in the two - tone test, 3. 5ghz ffpa developed in this paper shows more than 35db improvement in the third - order inter - modulation ( im3 ), offers approximately - 60dbc im3 output, achieves the expected goal, and meets the communication requirement
本文研製的3 . 5ghz前饋放大器採用了矢量調制器來實現前饋環路的幅度和相位調節，在雙音測試結果中，三階交調im3的改善超過了35db ，前饋系統輸出im3抑制近- 60dbc ，達到了預期指標，滿足了通信需要。 -
In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency
在脈沖編碼調制中，信號頻率和取樣頻率之間的差拍所引起的偽信號。
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