【简答题】已知单元平均恒虚警率处理的检测概率p d 为 其中,k是与信号起伏特性有关的参数,取值通常为1,2,或趋于∞;N是单元平均恒虚警率处理的参考单元数;d 2 是功率信噪比;p f 是错误判决概率。请导出其递推计算公式;编写以p f 、N和k为参变量,检测概率p d 随功率信噪比d 2 变化的计算程序;用计算机算出几组结果,并绘成曲线。
【简答题】Passage Two I started working in the office of Mathew Brothers three months ago as assistant to the production manager. I had to answer the telephone, write emails to customers and file all the papers...
【简答题】根据首字母或中文注释拼写单词:(10空,1空1分,共10分) 小题1:Why is everything my fault? Can I d_____________ for myself?. 小题2:Bob! Shall I e______________ seats with you? 小题3:The huge windows of the hotel gave us a s_________...