pa power amplifier 中文意思是什麼
pa power amplifier
解釋
功率放大器-
Since the envelope of modulated signal fluctuates, these methods generate unwanted intermodulation distortion ( imd ) products in a nonlinear radio frequency ( rf ) power amplifier ( pa ). so it is necessary to use linearization technique to reduce the adjacent channel interference ( aci )
但包絡變化的調制信號經過非線性射頻功放后會產生交調分量，因此必須採用線性化技術來減少由此產生的鄰道干擾。 -
In new system the error pa can also amplify the original signal, so the performance of whole amplifier system increases. since rf predistorters used in the new system, the linearity and power efficiency can be enhanced
該技術改變了誤差通路中的信號特性，使誤差放大器也輸出有用信號功率，提高了整個放大系統的性能。 -
As the important component to lengthen the communication distance and enlarge the covering area of wlan, the power amplifier ( pa ) and antenna functions with more and more significance
隨著wlan的廣泛應用，作為增加wlan通信距離、增大wlan覆蓋范圍的重要的高頻部件? ?雙向功放和天線的作用越來越重要。 -
With 8mm mmw integrated circuit, a power amplifier ( pa ) is successfully developed in my project, an researching project of " ten - five ". problems such as the difficulties in devices of small volumes designing and manufacturing caused by high frequency and short wavelength are solved
本文結合「十五」軍事電子預研課題，實現了一種基於毫米波mmic功率放大晶元的毫米波功率放大器的研製，以及在此基礎上的混合集成高效平面結構的功率合成技術的研究，以進一步提高功率。 -
In order to verify memory effects of nonlinear power amplifier ( pa ) and to design and optimize pa with reducing memory effects, this paper analyzes existence of electrical and thermal memory effects with different tone spacing two - tone input signal and modulated signal source through mathematical derivation and advanced design system ( ads ) software simulation, and presents a method which can optimize pa with memory effects
摘要為了證實非線性功放記憶效應的存在同時為了設計和優化功放以減小記憶效應，通過理論推導和ads模擬的方法分析了不同間隔的雙音輸入和調制輸入的情況下電記憶和熱記憶效應的存在，同時提出了種優化功放記憶效應性能的方法。
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