| 1. | Semiconductor discrete devices . detail specification for type 3da503 silicon microwave pulse power transistor
半导体分立器件. 3da503型硅微波脉冲功率晶体管详细规范 |
| 2. | Semiconductor discrete devices detail specification for type 3da505 silicon microwave pulse power transistor
半导体分立器件. 3da505型硅微波脉冲功率晶体管.详细规范 |
| 3. | Semiconductor discrete devices detail specification for type 3da506 silicon microwave pulse power transistor
半导体分立器件. 3da506型硅微波脉冲功率晶体管.详细规范 |
| 4. | This buzz was being caused by the train of very short pulses of microwave signal , each pulse causing a single click
它是由非常短的微波脉冲信号引起的结果,每一个脉冲发出一声响声。 |
| 5. | A weather radar detects rain in the atmosphere by emitting pulses of microwave and measuring the reflected signals from the raindrops
雷达不停发出微波脉冲，经大气中的雨点反射，通过量度这些反射回来的讯号，就能探测到大气中的降雨。 |
| 6. | A weather radar detects rain in the atmosphere by emitting pulses of microwave and measuring the reflected signals from the raindrops
雷达不停发出微波脉冲，经大气中的雨点反射，通过量度这些反射回来的讯号，就能探测到大气中的降雨。 |
| 7. | To destroy or cripple power and communications lines leading into the target , u . s . forces may need to physically bomb or to employ the pentagon ' s e - bomb , which emits a powerful microwave pulse
要毁掉或破坏通往目标的电力与通讯线路，美军可能需要实际炸毁或利用五角大厦开发的电子炸弹，这种炸弹可发射超强的微波脉冲。 |
| 8. | The linear coupling of microwave into a vacuum cavity with a slot is simulated at the beginning of this thesis . the resonant effect is verified , and the results show that the reflection of the cavity has little influence on the resonant effect . the numerical computation method is used to study the microwave coupling into slot on a cavity with a block inside
本论文首先模拟了微波脉冲与带缝空腔线性耦合的情况,验证了共振增强作用,结果表明腔体的反射对共振增强作用影响很小,然后用数值模拟方法研究了微波脉冲与内置物质块带缝腔体线性耦合的问题。 |
| 9. | It is found from the experiment that under the conditions of peak magnetic field of 0 . 57t , beam pulse fwhm ( full width of half maximum ) of 44ns , a microwave radiation pulse with fwhm 25ns and whole width of 35ns is produced , when the intensity of the guiding magnetic field rises , the peak microwave power changes little but the width of the pulse reduces . the a - k gap also has obvious influence on the microwave radiation , the stable and higher microwave output is obtained under suitable gap
实验中还发现，在峰值磁场0 . 57t和束流半高宽44ns情况下，得到了25ns半高宽和35ns底宽的微波脉冲信号，随着导引磁场增加，微波信号幅值基本不变，但国防科学技术大学研究生院学位论文是微波脉冲宽度会逐步减少;实验中还发现磁场线圈位置有一定的轴向调节范围，说明在磁场轴向分布的一定变化范围内，器件都可以正常工作，这对以后的永磁场系统导引的微波实验有利。 |
| 10. | According to performance parameters test requirements of phased array radar ' s t / r modules , we make a deep study of microwave measurement principles and network measurement principles , analyze the operation principles of the microwave vector network analyzer , have a good knowledge of several functional configurations of hp8510c vector network analyzer , and successfully use a vector network analyzer to accomplish the measurement of microwave pulse high power signals
根据相控阵雷达t r组件性能参数的测试要求，深入研究了解微波测量及网络测量原理，分析了微波矢量网络分析仪的工作原理，掌握了hp8510c矢量网络分析仪多种功能配的方法，成功地应用微波网络分析仪实现对微波脉冲大功率信号的测量。 |
