Abstract: In this communication, an efficient finite difference time domain (FDTD) method is proposed by combining the leapfrog complying divergence implicit (LCDI) and split-field (SF) schemes to ...

Abstract: A novel hybrid model is proposed for predicting the echo of maritime target in complex emission environments. This approach divides the problem of echo prediction into three components: ...

Sometimes gardeners stray away from succulents because they've had poor success growing them indoors. Other times gardeners hear how easy they are to grow, buy them, and then watch them wither away.

Time-domain astronomy is the study of how astronomical objects change with time. Changes may be due to movement or physical changes in the object itself. Examples include pulsar variability, and the ...

Cutting carbs, eating more protein, lifting weights, and getting more sleep are all actions that can promote sustainable weight loss. Focusing on long-term health and habits that you can stick with ...

During cardiac arrhythmia, the heart frequency is an important physiological parameter that can be identified by analyzing electrocardiogram (ECG) signals. However, the accuracy of the frequency ...