A channel estimation method for OFDM systems using rectangular pilot pattern was proposed.
提出一种使用矩形导频图案的OFDM信道估计方法。
Meanwhile, it discusses the pattern cycle water injection rate and effect of cyclic water flooding in the pilot in western area of Fuyu Oil Field.
同时，结合扶余油田西区矿场实例对周期注水的注水方式、周期、注水量及效果进行了探讨。对裂缝性砂岩油藏实施周期注水具有重要的借鉴意义。
Objective To evaluate the effect of control pattern with an emphasis on canine deworming in a pilot of echinococcosis in highly endemic area of southern Qinghai Plateau.
目的评价以犬驱虫为主的防治模式在青南高原棘球蚴病高流行区防治试点的效果，为建立高流行区棘球蚴病的防治模式提供参考。
Objective To evaluate the effect of control pattern with an emphasis on canine deworming in a pilot of echinococcosis in highly endemic area of southern Qinghai Plateau.
目的评价以犬驱虫为主的防治模式在青南高原棘球蚴病高流行区防治试点的效果，为建立高流行区棘球蚴病的防治模式提供参考。
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