| 1. | Increasing the fft ’ s points can decrease the frequency interval , but it will increase the complexity of computation at large extent
如采用增大fft运算的点数来减小频率采样的间隔,将大大增加数字信号处理的运算量,从而影响到雷达工作的实时性。 |
| 2. | In this thesis , the effect of different frequency interval and power allocated of multiple - tone interference on the performance of the proposed scheme is analyzed by simulation results
仿真结果表明,多音干扰的频率间隔越大时,该算法的干扰抑制性能越好。 |
| 3. | Meanwhile , an efficient method , impedance matrix interpolation , is described . the impedance matrix is calculated at relatively large frequency intervals and interpolated to approximate its values at intermediate frequencies
同时，在计算宽频带电性能参数时，引入了一种有效而快速的方法?阻抗矩阵插值技术。 |
| 4. | It is discoverde that with a looped feedback circuit , the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode , and stabilizing the quality of the laser beams
Dds声光锁模器在增加闭环反馈环路后，可以跟踪激光谐振腔纵模频率间隔变化，稳定激光光束输出质量。 |
| 5. | Ftt makes the frequency sampled at a same frequency interval on unit circle , and the frequency interval limits the practical range - precision of the radar , and makes range precision at an equivalent level with range - resolution
由于fft的实质是频率在单位圆上的等间隔采样,其采样间隔限制了雷达的实际测距精度,使得其测距精度与其距离分辨力处于同一量级。 |
| 6. | Frequency diversity technique is effective in suppressing age if the frequency interval is big enough to remove off the correlation between the pulses transmitted by radar , wide - band mmw radar can satisfy the requirement but conventional microwave radar can t
频率分集技术抑制目标角闪烁的有效性，取决于去除脉间相关性的性能，即要求雷达发射信号必须有较大的频率间隔，宽带毫米波雷达正好满足了这一常规微波雷达不能满足的要求。 |
| 7. | Abstract : applied the principle of electromagnetic interference prediction , interference multi - predictions are made to solve the frequency spectrum administration in accordance with collective using radio sets in integrated communication command system . this paper obtains the frequency interval between radio sets making sure the electromagnetic compatibility
文摘:应用电磁干扰预测的原理，针对一体化通信指挥系统中，多部电台集中使用所带来的频率管理问题，进行了干扰多级预测，得出了保证电磁兼容性系统各电台之间应满足的频率间隔，提出了通信网中通信频率方案。 |
