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signal designing
相关语句
  信号设计
     The Forward Link Signal Designing of CDMA
     CDMA前向链路信号设计
短句来源
     Bent function has the highest nonlinearity and satisfies the highest degree propagation criterion, so it has very important applications in cryptography, coding theory, sequences and signal designing theory.
     由于具有最高的非线性度并满足最高阶的扩散准则,bent函数在密码、编码理论、序列以及信号设计理论中都有重要的应用。
短句来源
     It is very important to carry out the research of Radar signal designing and data processing method in order to improve the sensitivity and detecting ability of Radar system and to provide practical waveform and signal processing technology for future advanced Radar.
     因此开展先进雷达信号设计及信号处理方法的研究,提高现有雷达的灵敏度、增强检测能力,同时为将来新型雷达研制实用的信号波形及信号处理技术显得十分重要。
短句来源
     It is very important to implement the research of Radar signal designing and data processing method in order to improve the sensitivity and detecting ability of Radar system and to provide practical waveform and signal processing technology for future advanced Radar.
     所以开展先进雷达信号设计及信息处理方法方面的研究,以提高现有雷达的灵敏度、增强检测能力,同时为将来新型雷达的研制提供实用的信号波形及信号处理技术显得十分重要。
短句来源
     In this paper, based on radar signal designing and cross correlation receiving technology,a method for gradually acquiring one-dimensional range profile using target echo is studied.
     本文基于雷达信号设计和互相关接收处理技术,研究了一种利用目标回波,逐次获取一维距离像的方法。
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  “signal designing”译为未确定词的双语例句
     A probing research on the signal designing and improvement of range resolution and anti-interference ability further improves the performance of OTHR.
     并进一步发掘OTHR体制的潜力,设计出不同的发射波形,在提高距离分辨力,增强其抗干扰能力方面进行了探索性的研究。 论文主要包括以下内容:
短句来源
     , in this part, the main works include: resolving resonance scanning mode with dual-functional optical fiber, designing principal-minor structure, real-time separating PSTM optical image signal, designing main instrument box, and searching resonance peak.
     第三部分根据样机的总体设计要求,说明AF/PSTM样机研制中几个重要环节:双功能光纤尖共振调制扫描工作模式,仪器主从式结构设计,PSTM光信号的图像分解的解算实时处理架构,电控主机箱的设计,以及光纤共振峰的搜索等。
短句来源
     including the constitutes of network、 the calling flow of signal designing and the software realization of call flow.
     包括MVPN的组网、信令呼叫流程设计和呼叫流程的软件设计和实现。
短句来源
     (1) Two sets of sensor signal modulation circuit are designed. Voltage/ICP multiplexing signal designing is adopted to reduce components and save cost.
     (1)设计了2种针对不同信号的调理电路,引入了电压/ICP信号复用的设计,减少了元器件,节省了成本。
短句来源
     The basic idea of pseudo noise sequence and its typical application in radar signal designing were introduced in this paper.
     介绍了伪随机序列的基本知识以及该理论在扩谱雷达波形设计中的典型应用。
短句来源
更多       
  相似匹配句对
     Designing Efficient and Safe Signal Relays
     如何设计安全、有效的信号继电器
短句来源
     Designing of Virtual Signal Analysis Instrument
     一种虚拟信号分析仪的设计
短句来源
     Designing Color
     设计色彩
短句来源
     On CI Designing
     也谈CI设计
短句来源
     WAVELET AND SIGNAL
     小波与信号
短句来源
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The eonversion coefficient of a TWT can be reduced, when it works at under-voltage condition. Therefore if a section of helix which works at under-voltage condition is added to a TWT, the improvement of AM-PM eonversion coefficient can be expected,then a "doubl taper helix technique" is developed.This paper describes the double taper helix technique and presents a small signal design method. The actual TWT which uses the double taper helix proves that it not only raises the electron efficiency, but also...

The eonversion coefficient of a TWT can be reduced, when it works at under-voltage condition. Therefore if a section of helix which works at under-voltage condition is added to a TWT, the improvement of AM-PM eonversion coefficient can be expected,then a "doubl taper helix technique" is developed.This paper describes the double taper helix technique and presents a small signal design method. The actual TWT which uses the double taper helix proves that it not only raises the electron efficiency, but also improves the AM-PM eonversion coefficient. Further experiment shows that this technique has other advantages, such as operation at two or three power levels and good depressed collector characteristics.

行波管欠压工作能减小AM-PM转换系数。因此在行波管中加入一段工作于该状态的慢波线应能改善AM-PM转换特性。由此引出了所谓“双渐变技术”。 本文对该技术作了初步分析,实际制管证明了该技术不仅能提高电子效率,而且能改善AM-PM转换特性。并且还具有多电平工作、降压效果好等优点。本文还总结了一套小信号设计方法。

This paper breifly describes the principal methods of despreading direct-sequence spread-spectrum signals, bit-by-bit despreading and parallel despreading. It is shown in this paper that the parallel despreading method is suitable for burst spread spectrum communications. By a proper signal design, the authors have despreaded burst spread spectrum signals by means of surface acoustic wave (SAW) convolvers developed in our country. Some related results are also shown in this paper.

本文简要叙述了直接序列扩频信号解扩的主要方法:逐比特解扩(bit-by-bitDe-Spread)和并行解扩(Parallel De-Spread)。指出:前一种方法要提取相干载波,并且难以实现快速同步。对于突发工作的直接序列扩频系统,并行解扩是比较切实可行的。我们用国内研制成功的声表面波声电卷积器,通过适当的信号设计完成了突发扩频信号的解扩。文章给出了有关实验结果。我们认为,这种方法,对不同调制方式的直接序列扩频信号解扩具有普遍适应性。

The radar signal design and signal processing are investigated comprehensively to obtain the optimum statistical pulse compression characteristics (SPCC). First, the SPCC of a code set with L codes is studied that is obtained by truncating a cyclic PN code in a fixed step length with the truncated length L being equal to the code length of the cyclic PN code and transmitted in turn to implement the code agile in pulse-to-pulse (CAPP). The general expressions of SPCC for the kind of codes mentioned...

The radar signal design and signal processing are investigated comprehensively to obtain the optimum statistical pulse compression characteristics (SPCC). First, the SPCC of a code set with L codes is studied that is obtained by truncating a cyclic PN code in a fixed step length with the truncated length L being equal to the code length of the cyclic PN code and transmitted in turn to implement the code agile in pulse-to-pulse (CAPP). The general expressions of SPCC for the kind of codes mentioned above are derived. The peak ratio of main-lobe to side-lobe (RMS) of SPCC within the pulse repetition period (PRP), refered to as RMS in the near region, is greater than L, but is very small outside the PRP which is refered to as RMS in the far region. Next, in order to improve the RMS of SPCC in the far region for the code set mentioned above, a code set truncated from a cyclic PN code in a stochastic step length is proposed with the truncated length L. Although these agile codes have a good RMS of SPCC in the far region compared with previous one, however, the agile fashions in this manner are very few than that in a fixed step length. Finally, a new kind of pulse-to-pulse agile codes (NKPPAC) and their SPCC are investigated by means of the computer simulation. The RMS in the near region for the NKPPAC is the same with that one the truncated PN code set had given, and in the far region is also greater than L except a very few code sets with particular code length L in the particular agile step length. Even so in the last case the difference of RMS of SPCC in the far region from L is also very small. If the code length L is sufficiently large, the high RMS of SPCC required can be achieved without weighted processing. This will lead to simplify the hardware for engineering implementation. It is proved by the hardware experiment that the generators of this NKPPAC are very simple, which is expected for engineering applications.

通过对雷达信号设计和信号处理的综合研究,导出了关于固定步长截断PN码集脉间码捷变信号的统计脉压特性通用表达式,提出了一种随机步长截断PN码集脉间码捷变信号。前者的近区主副瓣比优于码长L,但其跨周期远区主副瓣比很小。后者的统计脉压特性之跨周期主副瓣比优于前者,但仍然不够理想。针对这两者的缺陷而提出的一类新型脉间码捷变信号,其近区主副瓣比优于码长L,跨周期远区主副瓣比除极个别码长下的个别捷变步长外,也优于L,只要信号的码长足够长,不用加权处理即可得到所需的主副瓣比,而且其码产生器极易实现。

 
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