ID 原文 译文
23215 仿真实验验证了该算法能够有效降低大规模阵列自适应处理的计算量，其波束形成效果以及对误差的稳健性与全阵自适应方法相近。 The simulation studies verify the effectiveness of the proposed algorithm for computation burden reduction of large-scale array adaptive processing. Furthermore, the beamforming results and robustness of the proposed algorithm is similar to that of full-array adaptive method.
23216 对于典型的数字信道化接收机之后级联相位差分法测频的处理架构，现有的测频精度表达式未考虑波形复包络对测量精度的影响。 For a classical architecture consisting of a digital channelized receiver followed by frequency measurement using phase difference, the existing precision equation of frequency measurement does not consider the impact of waveform complex envelop on measurement performance.
23217 该文针对这一问题，推导了考虑波形复包络影响的新的测频精度表达式，并进行了仿真。 A new precision equation of frequency measurement considering the impact mentioned above is derived in this paper.
23218 仿真分析的结果与推导的精度表达式一致，表明改进的测频精度表达式能够有效反映信号波形对测频性能的影响。 The consistency of analytical results by the proposed precision equation with simulation results is verified. The simulation results indicate that the proposed equation can exhibit the impact of waveform on frequency measurement performance.
23219 外辐射源雷达利用非合作照射源信号探测目标，参考信号提纯和监测信号杂波抑制是实现目标信号检测的关键。 Passive radar makes full use of non-cooperative illumination source to detect targets. Reference signal purification and clutter suppression of the surveillance signal are two key steps to achieve target signal detection.
23220 该文针对数字电视外辐射源雷达接收系统中存在的采样速率偏差问题，首先建立信号模型，从理论上分析了采样速率偏差对参考信号重构性能的影响，然后探讨了采样速率偏差对时域杂波抑制和相关匹配接收的影响。 To solve the problem of the sampling frequency offset in digital TV based passive radar, the signal model is first established, and the impact of the sampling frequency offset on the performance of the reference signal reconstruction is analyzed. Then how the sampling frequency offset affects the clutter suppression and the target correlation matching is mainly investigated.
23221 仿真结果说明存在采样速率偏差时，提高接收端采样速率可以降低参考信号的重构误码率； The simulation results show that improving the sampling frequency can reduce the symbol error rate of the reconstructed signal.
23222 不同的时域杂波抑制算法对采样速率偏差的表现不同； Different temporal clutter suppression algorithms perform differently under the existence of sampling frequency offset.
23223 采样速率偏差对时域杂波抑制的影响较大，对相关匹配接收的影响较小。 The sampling frequency offset has a greater impact on the temporal clutter rejection performance and less effect on correlation matching.
23224 实测数据处理验证了上述结论的正确性，为提高数字电视外辐射源雷达的目标探测性能提供了理论依据。 Finally, the analysis results are verified by the measurement data, which also provide theoretical basis on improving the target detection performance of digital TV based passive radar.