A low power mixer and a basedband variable gain amplifier are designed for frequency downconversion and gain-adjustment, respectively. 最后實(shí)現了一個(gè)低功率的混頻器及基頻可變增益放大器，且此放大器可線(xiàn)性調整增益。
The experimental results indicated that the red laser of low power has remarkable stimulation on the preliferate of regetative cells in H. pluvialis. 實(shí)驗結果表明，低功率的紅色激光對紅球藻營(yíng)養細胞的增殖具有明顯的促進(jìn)作用。
