ID |
原文 |
译文 |
43376 |
根据试验获得的单粒子翻转截面,参考卫星飞行任务轨道参数和空间辐射环境计算得到了芯片在轨翻转率, |
According to single event upsetcross section obtained from the experiment, on-orbit upset rate of the ASIC chip was calculated byreferring to satellite mission orbit parameters and space radiation environment. |
43377 |
无 EDAC 功能器件的在轨翻转率为 1. 29×10-6 bit-1·d-1,有 EDAC 功能器件为 1. 19×10-6 bit-1·d-1。 |
The on-orbit upset rate ofthe ASIC chip without EDAC function is 1.29 × 10-6 bit-1 ·d-1, and that of with EDAC function is1.19×10-6 bit-1·d-1. |
43378 |
分析结果表明经过辐射加固后,具有 EDAC 功能的 ASIC 控制运算芯片抗单粒子效应性能可以满足卫星在轨运行要求。 |
Analysis results show that after radiation hardening, the ASIC control computingchip with EDAC function can meet requirements of satellite on-orbit operation. |
43379 |
提出预测刷新策略来延长与非型 ( NAND) 闪存寿命。 |
A predictive refresh strategy was proposed to extend NAND flash memory lifetime. |
43380 |
预测刷新的核心是挖掘闪存中块的最大刷新周期,然后使用该周期刷新块来减少驻留错误,保证块中页的错误数 ( FBC) 在错误纠正码 ( ECC) 的纠错能力范围内。 |
Thecore of predictive refresh is to get the maximum refresh interval of the block in flash, then the block is refreshed with this interval to reduce retention errors, so that fail bits count (FBC) of pages in the block iswithin the error correction capacity of the error correction code (ECC) . |
43381 |
预测刷新利用驻留错误与驻留时间近似线性的关系和使FBC 逐渐逼近刷新区间的思路,根据前两次的实测数据预测下一次的检测时间,能准确、简单地获得块的最大刷新周期,且不受单元工艺波动影响。 |
Predictive refresh uses the approximate linear relationship between retention error and retention time and the idea of making FBC approach to the refresh section gradually, predicts the next detection time based on the two previous measured data, and the maximum refresh interval of the block was obtained accurately, simply and unaffectedby process variation of cells. |
43382 |
在软硬件结合的现场可编程门阵列( FPGA) 测试平台下对多值存储 ( MLC) NAND 闪存进行测试, |
The multi-level cell (MLC) NAND flash was tested on the field programmable gate array (FPGA) test platform which was combined with hardware and software. |
43383 |
结果表明:预测刷新策略相比于不刷新策略最大能延长 NAND 闪存 7 倍的寿命;相比于周期刷新策略最大能减小 74%的系统干扰;并且刷新周期检测准确度高。 |
The results showthat the predictive refresh strategy can extend the lifetime of NAND flash by 7 times as compared with thenon-refresh strategy, the system interference is reduced by 74% as compared with the periodic refreshstrategy, and the detection accuracy of refresh period is high. |
43384 |
传统的功率放大器调制驱动器采用电荷泵式结构,使电路输出的脉冲宽度受到限制,同时,外围元器件连接也较为复杂。 |
The traditional power amplifier modulation driver adopts the charge pump structure whichlimits the output pulse width of the circuit, and its external components connetion is complicated. |
43385 |
提出了一种新型调制驱动器架构解决以上问题。 |
A novelmodulation driver architecture was proposed to solve above problems. |