fpn meaning in English
不管细节部分的额顶网
Examples
- Number of 1 , 500 fpn issued
1 , 500定额罚款通知书的数目 - The column output circuit is realized by double sample and hold circuit which can effectively decrease fpn ( fixed pattern noise )
列输出电路采用双采样电路,该电路能有效地消除固定模式噪声。 - Every column in sensor array work in parallel and have their own cds noise reducing circuit . the signals after fpn reducing are output from the output buffer amplifiers
传感阵列中各列感光单元的传感信号并行输出，分别由对应的相关二次采样电路进行降噪处理，去除固定模式噪声后的信号通过输出缓冲放大电路进行输出。 - On the base of thorough analysis of fault characters , the petri net model is introduced and changed into fault petri net ( fpn ) that can be used to settle some critical problems such as complicated faults , degradation competition and one cause with multiple consequence according to the characters of fault evolvement and spreading . in order to predicate the remained life of particular machine under special working conditions , an algorithm was also providcd to analyse the timely characters of the fpn . it is demonstrated that the method provided in this paper can simulate the dynamic evolvement process more appropriate than tranditional methods such as fault tree analysis ( fta ) and can predicate the remained life of the particular machine under special working conditions
为此，深入分析了机械设备的故障特性，把以描述离散事件动态系统见长的petri网分析技术引入到机械设备剩余寿命预测领域，并根据故障的演变和传播特点，将petri网加以改造，提出适用于对机械设备复合故障动态演变历程进行仿真的“故障petri网” ，解决了“并发故障” 、 “劣化竞争”和“一因多果”等问题，并给出故障petri网的时间特性分析算法，用于单机具体工况下的剩余寿命预测。 - The correlated double sampling ( cds ) circuits structure is used to reduce the fixed pattern noise ( fpn ) of the cmos sensors , and improve the signal - noise ratio ( snr ) . the 256 photodiodes arrayed 4 quadrants sensor consists 16x16 active photodiodes array . correlated double sampling processing circuits , output buffer amplifiers and digital control part
针对cmos制造工艺中mos器件固定模式噪声( fixedpatternnoise ， fpn )较大的不足，研究中采用了相关二次采样( correlateddoublesampling ， cds )电路降低固定模式噪声，从而提高了传感器的信噪比( signalnoiseratio ， snr ) 。