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- In this article, we propose a fast correlation algorithm of multiple PN code by Fast Walsh Transform (FWT). 本文提出了一种利用快速沃尔什变换(FWT)实现对复合码进行快速相关的算法。
- PIC Microcom with wireless PN Code Generator Firmware source code with PIC21xx and Internal CLK has been tested. (译):知情同意Microcom无线PN码发生器固件的源代码与PIC21xx和内部时钟已经过测试。
- Methods 36 cases of breast cancer were received short cycle dose-dense CAF regime two courses. 方法36例乳腺癌患者采用短周期密集CAF方案化疗2周期。
- The mean square timing jitter performance of the CTL and the DTTL for MSK waveform PN code was analyzed in a wide range of symbol SNR. 仿真结果表明:在大信噪比条件下,数据转换跟踪环与码片跟踪环性能一致;
- Short cycle times can be achieved by detaching the mold plates before the concrete is completely set up. 在混凝土完全硬化之前拆模可以缩短周期时间。
- This paper presents a rapid acquisition scheme for PN code with double-channel by microprocessor controlled In-phase and Quad-phase CCD. 本文提出了一种以微处理机为控制器的电荷耦合器件(CCD)正交双通道PN码快速捕获方法,该方法能对不同码型、码长、码速率的PN码所调制的二相PSK直扩信号进行解扩,且具有体积小、重量轻、易于集成化、功耗低的特点。
- Short cycle back: ERP system can provide actual data collection times, to shorten the time reconciliation and back. 返款周期短:ERP系统可以提供实时代收款数据,缩短了对帐和返款时间。
- The brief description of digital downconverter,acquisition of PN code phase, PN code phase tracking and data demodulating is given in this paper. 本文提出了一种高动态高码率数字化解扩接收机的设计方案,同时简要介绍了其数字下变频、伪码初相位捕获、伪码相位跟踪和数据解调的基本设计思想。
- Customers will enjoy the interaction and appreciate your short cycle times because you ll be delivering business value at regular increments. 客户会很满意这种交互,并感激您的短周期开发,因为这稳步提高了客户的业务价值。
- Computer simulation shows that this algorithm can get rapid PN code acquisition in very low SNR and is easy to be realized in FPGA and DSPs. 实验证明,这种捕获算法易于采用可编程门阵列和数字信号处理器相结合的方式实现,可以在极低的信噪比下实现扩频PN码的快速捕获。
- For MSK waveform PN code, this paper adopts a novel Chip Tracking Loop (CTL) for PN code ranging, which is a modified Data Transition Tracking Loop. 本文针对MSK波形伪码,采用新型的码片跟踪环用于伪码时钟恢复。
- In extensive arid area, grassplot also has the advantages such as easy to cultivate, easy to survive, low cost, short cycle and quick act. 在广大干旱地区,还具有易种植、易成活、成本低、周期短、见效快的优势。
- Conclusion There is high-rate success for MNNG to induce large intestine cancer with relatively short cycle and difficult operation. 结论 MNNG直肠灌注法诱发大肠癌成功率高,周期相对较短;但也存在操作有一定难度的缺点。
- This algorithm firstly calculates the average power serial, and then finishes the detection of PN code rate through the analysis of frequency spectrum and smooth processing. 该算法首先计算序列的平均功率,然后对其进行谱分析并作平滑处理而完成伪码速率的判定。
- The mean square timing jitter performance of the CTL and the DTTL for MSK waveform PN code is analyzed and compared over a wide range of symbol SNR in this paper. 本文分析对比了不同码片信噪比条件下,数据转换跟踪环和码片跟踪环均方时序抖动性能。
- Valve regulated lead acid battery(VRLAB), as the power battery for electric vehicle(EV), has the defects of low large current discharge performance and short cycle life. 阀控密封铅酸蓄电池 (简称VRLA电池 )作为电动车用动力电池存在着大电流放电性能差、循环寿命短的缺点 ,而板栅与活性物质界面的电化学性能是影响大电流放电性能和循环寿命的一个重要因素。
- Based on the estimated NBI eigen-waveforms and the PN sequences, NBIs can be rejected and the DS-SS signals despreading without the PN code can be realized too. 同时利用所估计的NBI特征波形可消除原始信号所夹杂的NBI,而利用所估计的PN码序列则可以对DS-SS信号实施盲解扩处理。
- The feature of ovular uterine bleeding disorder is regular menstrual cycle with short cycle, abnormal heavy menstruation, longer period but self ceasing. 有排卵子宫异常出血月经周期相对有规律,主要表现为周期缩短、经量异常增多、经期较长但能自止。
- To despread and demodulate the signal correctly in the spread spectrum system, the PN code phase of the receiver must be synchronized with that of the input signal precisely. 在扩频通信系统中,为正确解扩和解调接收到的扩频信号,接收机的PN序列相位和接收信号的PN序列相位必须完全同步;
- Generally speaking, during the long wave upward period, if no randomd blast intervenes, the fluctuation of short cycle and major cycle may relatively abate. 在长波上升期中 ,如果没有外生的重大随机冲击 ,短周期和主周期一般来说会出现波动相对弱化现象。