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- Radar IF simulation 雷达中频信号模拟
- At last,an example of IF unit of radar echo generator system based on DDS is presented.This signal unit can generate radar IF echoes including general pulse,LFM,NLFM,PSK. 最后给出了一个基于DDS的雷达多目标模拟系统中频单元的设计实例,该单元可以灵活生成包括常规脉冲、线性调频、非线性调频、相位编码在内的雷达中频回波信号,为被试雷达提供较为全面的测试环境。
- If simulated inputs/outputs/ are necessary then the simulation equipment shall be provided by the contractor as part of the works unless otherwise agreed. 如果有必要进行模拟输入/输出,除非承包商同意,相关的模拟设备将由承包商作为工程的一部分提供。
- As expected, if simulations are run assuming the presence of a low impedance remote termination, the results degrade significantly. 如我们期望的那样,如果假定仿真运行在远端是低阻抗的状态,结果会显著退化。
- You can do it this way if you care to. 如果你乐意的话,可以这样做。
- They picked up the yacht on their radar screen. 他们在雷达屏上看到了那艘游艇。
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- Fruit juices ferment if they are kept a long time. 果汁若是放置很久,就会发酵。
- If I had my way, I'd go to the movies tonight. 假如我做得到的话,我今晚会去看电影。
- If we all muck in we'll soon finish the job. 如果我们大家都动手,一会儿就可以干完这件事。
- If you go to a private hospital you must pay. 如果你去一家私立医院就诊,你得付费。
- We should practice economy even if we are rich. 即使我们富裕了也仍应该厉行节约。
- The radar scanned the sky for enemy planes. 雷达密切监视天空,搜索敌机。
- Do you mind if I draw up the blinds? 我卷起窗帘你不反对吧?
- The watchtower followed the aircraft by radar. 瞭望塔通过雷达追踪这架飞机的行踪。
- Enemy ships were detected on the radar screen. 敌舰的影像已显现在雷达(屏幕)上。
- The signal was picked up by a downrange radar station. 该信号被试验飞行方向之内的雷达站收到了。
- A gunboat was detected by the radar. 雷达探测出一炮艇。
- She will buy him a cardigan if her son asks her to. 如果她儿子要求的话,她就给他买一件羊毛衫。
- Enemy aircraft were detected by our radar. 敌机被我方雷达发现。