| 1. | Erbium - doped fiber - amplifier - c - band erbium - doped fiber - amplifier 掺铒光纤放大器c波段掺铒光纤放大器 |
| 2. | Semiconductor discrete devices . detail specification for type 3da601 c silicon bipolar power transistor 半导体分立器件. 3da601型c波段硅双极型功率晶体管详细规范 |
| 3. | To meet the waveform requirements , dds + multiplier + upconverter was used to realize the c - band fmcw frequency source 为满足波形参数要求,本文设计了dds +倍频+上变频的c波段三角形调频连续波频率源。 |
| 4. | Then the c - band simple milo is simulated systematically . the physics of electron bunching and microwave field growing is investigated in detail 然后,对c波段milo模型进行了数值模拟,研究了其中电子聚束和微波产生的物理过程。 |
| 5. | Now there are many reports on bwos that operate in the frequency regime of x - band ( 8ghz - 12ghz ) or c - band ( 4ghz - 6ghz ) , but reports on l - band ( 1 . 12ghz - 1 . 70ghz ) are rare 目前,关于x波段和c波段的相对论bwo的报导很多,但关于l波段的相对论bwo报导却很少。 |
| 6. | This source will have a power output of about 2 . 5gw with 25 % efficiency at 5 . 2ghz . the input modulate voltage is 125kv and the post - accelerating voltage is 600kv 在调制腔电压125kv 、加速间隙电压600kv和电流15ka时,在c波段获得了峰值功率约2 . 5gw和约25效率的数值模拟结果。 |
| 7. | The tested results show that the designed c - band fmcw frequency source meets the waveform requirements , and its output power is more than 20dbm . however , the spur level was too high in the bandwidth 实验表明所设计的c波段fmcw频率源达到波形参数要求,发射功率达到20dbm ,但带内杂散抑制不理想。 |
| 8. | The milo works at 500mw c band driven by a 400kv , 60ka electron beam has been done in experiment . a new coaxial - structure super - reltron was explored to develop a low - impedance high - power microwave tube 我们还对c波段milo进行了实验设计,理论结果为:在外加电压400kv ,电流60ka ,微波输出功率1gw ,目前实验已经达到了500mw以上的微波输出。 |
| 9. | According to the target distance ( 5 ~ 50m ) , a c - band transceiver for ranging was presented in this thesis . the focus of this work was on designing a c - band frequency - modulated continuous - wave ( fmcw ) frequency source , a receiver and microstrip antenna 本文针对所探测目标的距离( 5 ~ 50m ) ,研制了c波段测距收发前端,主要包括c波段调频连续波( fmcw )频率源,接收电路以及微带天线。 |
| 10. | The results also show that the tapered slow wave structure does not affect the output frequency obviously and that the maximum output power of the tapered milo could reach 5 . 84gw at frequency 4 . 53ghz when the input voltage is 800kv 在输入电压800kv时,模拟得到的渐变型c波段milo最大输出功率为5 84gw ,此时的工作频率为4 , 53ghz 。据模拟得到的结果,判断出milo输出的微波模式是tm模式。 |