800w

Development of an S-band 800W Solid State Power Amplifier

S频段800W固态功放的研制

This conclusion provides a theory basis for developing S band CW 800W SSPAs .

这对于进行S频段连续波800W固态功放研制打下很好的理论基础。

The hardware and the software of DSP control system applied to the three phase brushless DC motor of 48V / 800W are designed .

本文设计了48V/800W直流无刷电机的DSP调速系统的硬件和软件。

The optimum condition was obtained which was 10:1 as the proportion of liquid to solid , 800W as microwave power , 8 mesh as the grinding degree and 6 min as the radiation time .

结果得到微波辅助萃取虫草菌粉的最佳工艺条件为：10倍溶剂比，8目颗粒度，辐射功率800W，辐射时间6min。

The optimum reaction conditions was found as follows : microwave power 800w , microwave irradiation time 10 min , adding 30 % water to initiate reaction , adding 10 % heteropoly acid A as the catalyst .

确定最佳反应条件为：微波功率800瓦，微波辐射时间10min，引发剂水的添加量30%，催化剂酸添加量10%；

Methods 54 advanced cancer patients were heated by 600 ~ 800W microwave power to the lower chest or midabdominal region for 120 ~ 180min . The temperature in rectum or esophagus is higher than 40 ℃ to certain time .

方法对54例晚期肿瘤患者用大功率915微波机加热下胸或脐周围持续120～180min，食管或直肠温度达40℃以上，120～180min。

RESULTS : Weishu powder crushed and filtered through the sieve with 24 meshes then dried discontinuously for 6min ( 1.5min × 4 ) with low-power microwave ( 800W × 58 % ) achieved the best results .

结果：药粉粒度为24目筛的胃舒散以微波低火档（800W×58%）间断干燥6min（1.5min×4）为最佳干燥条件。

At the same time , author done some work on the ultrasonic machining equipment . Based on the 800W power CCH-3840F-20Z transducer , author redesigned the ultrasonic stair amplitude transformer and tools , brought up the reform project of the CMC-1001 ultrasonic small hole machine .

对超声波小孔加工设备的研制进行了初步探索，以功率为800W的CCH-3840F-20Z型聚能换能器为基础，进行了阶梯型变幅杆、超声加工工具的设计，提出了改进CMC-1001型超声波打孔机的方案。