peaky

adj.

虚弱的，憔悴的，苍白的；

1. They tend to be looking a bit peaky and green about the gills.
   他们看上去有点憔悴，被吓得脸色苍白。
2. For a while she was peaky and wouldn't eat. But she was coming around.
   有一阵子她消瘦下去,不想吃什么,但她在恢复过来。

Peaky filter
A new model for peaky altimetric waveforms
Parameter Estimation for Peaky Altimetric Waveforms
Diversity analysis of peaky FSK signaling in fading channels
Diversity analysis of peaky FSK signaling in fading channels
Error rate analysis for peaky signaling over fading channels
Error rate analysis for peaky signaling over fading channels
Non-Peaky Signals in Wideband Fading Channels: Achievable Bit Rates and Optimal Bandwidth
On the performance of peaky capacity-achieving signaling on multipath fading channels
A unified approximate evaluation of congestion functions for smooth and peaky traffic