在星期五关于iPhone4天线问题的解释中，苹果CEOSteve Jobs使用了一些幻灯片来说明，当握住手机的方法不对时，其他的智能手机也存在同样的信号接收问题。
In his explanation of the iPhone 4's antenna problem on Friday, Apple CEO Steve Jobs used a slideshow to argue that other popular smartphones face the same reception problem when held the wrong way.
系统VCO模块采用微分电路设计技术，可将电源噪音对时钟信号输出抖动的影响降至最低。
The VCO module makes use of differential coefficient circuit design technology to lower the effect of power resource on the clock signal input shake.
将该跟踪算法与SVD-esprit算法相结合，得到的自适应esprit算法可用于对时变的信号DOA进行跟踪估计。
With combination of the above subspace tracking algorithm with SVD- ESPRIT algorithm, an adaptive ESPRIT algorithm is presented to track the time varying DOAs.
它通过对时域信号波形图中闭合曲线的面积进行相关性分析，从而达到简便、高效、高精度、高可信度地提取音调的目的。
It analyses areas of close curves in time-domain graph of signal waveform, so that we can detect the pitch conveniently, efficiently, precisely and reliably.
以sdram为基础采用DLL技术，并对时钟信号进行两次抓取资料，形成DDR技术。
Based on SDRAM, we adopt DLL technology and catch information twice on time signal, and it is so-called DDR technology.
对时间轴压缩扩展过的淡入侧的信号序列、和淡出侧的信号序列进行交叉渐变处理。
The fade-in and fade-out acoustic signals compacted and expanded on the time axis are cross fade processed.
该算法可实现多信号分辨，也可实现对时变频率信号的到达角估计。
The algorithm can resolve multiple signals and applied to signals with time-varying frequency.
研究了相位误差累积因子、信号分量阶次和平均段数等参数对时域同步平均信号幅值的影响规律。
The influencing rules on Time Synchronous averaging signal are achieved by Phase Error Accumulation Factor, component order and averaging number.
根据舵机的控制信号特性，设计使用S3C2440的一个通用引脚控制一个舵机，应用中断来对时间进行描述。
According the characteristic of the steering-engines control signal, use one pin of S3C2440 to control one steering-engine, use interrupts to specific the time.
通过对传统盲源分离批处理EASI算法的分析，针对时变信道中通信信号的复数形式，以平滑窗的形式实现了批处理算法在时变混合模型下的应用。
Based on an analysis of EASI batch process algorithms for traditional blind source separation, a sliding window ICA algorithm is studied to deal with complex signals in the time variant mixing model.
该系统采用了片同步技术实现了采样后高速数字信号的可靠锁存，采用高精度的时钟管理芯片和设计合理的时钟路径对时钟抖动做了严格控制。
The Chip-Sync technology has been used to ensure the latch of high-speed signal, and we use high accuracy clock management chips and design reasonable clock way to strict control the clock jitter.
给出了现代实用型原子钟的性能指标比较表，和用现代无线电手段传递、比对时频标准信号达到的指标。
The comparison table of modern practical atom clock's performance index is given. The index of transferring and comparing standard time-frequency signal by modern radio means is also listed.
该算法通过对时域信号加合适的窗函数，并在频域采用相应的内插算法，可以有效地减小测量过程中信号的频谱泄漏，得到精确的测量结果。
The accuracy measurement of the signal can be achieved with a suitable windowing operation in time domain and an interpolation algorithm in frequency domain.
构造局部余弦基字典，其对时间轴的分割适应于语音信号时频结构的变化，而且有较高的时频分辨率。
This paper introduced a local cosine-basis based dictionary, it segments the time frame and ADAPTS speech signal's changes of the time-frequency structure.
分别针对间谐波数值仿真信号、调幅信号及电弧炉电流作间谐波分析，结果表明：该方法抗噪声能力强、检测精度高，尤其对时变性较强的调幅性间谐波信号具有强适应性。
The simulation results show that the method has high antinoise capability, higher detection accuracy and the better adaptiveness to the amplitude inter harmonics signal of time change especially.
因此，在信号处理期间对时间要求严格 的响应仅仅限于当前对数据字进行处理的累加器级。
As a result, a time-critical response during signal processing is limited just to the accumulator stage which is currently processing the data word.
针对时频平面不可分离的相干非平稳信号，提出了基于对称阵列的解相干方法。
DOA estimation method of nonstationary radar signals is proposed by time-frequency analysis method and Joint-block diagonalization method.
分析了B码的对时机理，指出变电站的智能设备采用B码对时，就不再需要现场总线的通信报文对时，也不再需要GPS输出大量脉冲接点信号。
The synchronization principle of IRIG-B code is analyzed. When applying IRIG-B code in substation IED, neither communication messages of fieldbus nor multiple pulse signals of GPS are needed.
采用该修正算法修正的再复用器的音频信号可满足对时间要求更苛刻的调频同步音频 广播的要求。
Furthermore the audio signal after re-multiplexer with the new PCR correction method can meet FM synchronous broadcast requirements for a more accurate time.
第三章对时差测量的方法进行了分析，主要以线性调频信号为例，分析了中频复相关方法测量时差的方法，以及提高测量精度的方法。
Chapter 3 analyzes the methods for estimation of TDOA. Taking linear FM pulse signal as an example, it contrasts the performance of real-correlation and complex-correlation.
第三章对时差测量的方法进行了分析，主要以线性调频信号为例，分析了中频复相关方法测量时差的方法，以及提高测量精度的方法。
Chapter 3 analyzes the methods for estimation of TDOA. Taking linear FM pulse signal as an example, it contrasts the performance of real-correlation and complex-correlation.
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