fft analyzer

A low noise, fast charge sensitive preamplifier;

一種低噪聲快電荷靈敏前置放大器的研制

Proceed from the player s health quality, psychological quality, abilities and coach, the articl elucidates the qualified condition of realizing " quickness" and points out the specific functions from the viewpoint of technique and tactical quick attack and defend quick attack.

本文從運動員身體素質、心理素質、能力和教練員等方面闡述了實現"快"應具備的條件,并從技術、戰術快 攻、防守快攻三個方面提出了"快"的具體運用。

With the destination of making a extra best quality microsecond pulse shutter,the shutter system consisted of fast-open shutter and expl.

目前廣泛使用的電光開關、聲光開關存在消光比低或光能利用率不夠等缺點,為得到寬度合適、消光比高、光能利用率高的微秒光脈沖,設計了由快開快門和爆炸快門相結合的開關系統。