强人为干扰环境下的非周期扩频码的扩频通信在军事上具有重要的意义。
The spread spectrum communication with an aperiodic PN code and under strong man-made jammers has an important significance in military communications.
本文给出了有限域上多项式的友矩阵的某些性质，及其在计算线性移位寄存器序列的周期和循环码的最小长度的应用。
This paper gives some properties of companion matrix of polynomial over finite field with its application for evaluating period of linear shift register sequence and minimal length of cyclic code.
针对通信侦察等领域的需要，将梳形滤波器应用于自干扰载波下短周期伪码的截获中。
With the demand of such field as communication reconnaissance, comb filters application to capture of short cycle PN-code under self-jamming cartier is studied.
这篇论文主要研究了几类特殊线性码的两个新的参数-周期分布和广义汉明重量(有时也称为高维重量或支持重量)。
The parameter of some special linear codes - Period Distribution and Generalized Hamming Weights (Support Weights or Higher Weights) were studied in this paper, and it was departed by two section.
针对激光制导武器使用的有限位伪随机码的特点，提出了对其最小周期的识别算法。
Based on the characteristic of the pseudo-random code, the algorithm of identify the minimum period was given.
通过对CAN通讯系统需要分析，可确定CAN通讯系统的通讯周期、工作方式、码速率。
Through analyzing the demand of CAN communication system, the communication cycle, work style, code speed of CAN communication system are ensured.
码组间的非周期互相关函数具有均匀分布的IFW，或者完美理想互补的特点。
The aperiodic cross-correlation function between groups has either uniform IFW or perfect complement.
以平齐堆码的瓦楞纸箱为对象，针对不同的存储周期，研究了堆码时间对瓦楞纸箱堆码强度的影响。
According to different storage period, the effect of stacking time on stacking strength was studied with the object of corrugated carton of plan stacking.
它所发送的信号是由一组正交的正弦信号作为副载波，用码元周期为T的不归零方波作为基带码型调制而成的。
The transmitted signals which were modulated is a group of orthogonal sine signals as subcarrier and non-regular zero square waves that the code elements period is t as baseband coded formats.
事实上，由于伪码的周期性而导致的循环平稳是扩频信号的一个重要特征。
In fact, as the result of the period of a PN code, cyclostationarity is a key property of DSSS signal.
本文提出一种新的非周期幅相码，这种码具有多种幅度和相位，其自相关函数副瓣电平比较低。
This paper explains a new nonperiodic Amplitude-Phase Code, which has multi-level quantized amplitude and low auto-correlation sidelobes.
为了增大混沌跳频码的周期和非线性复杂度，我们利用多个不同混沌映射组成一个级联混沌映射，并用来设计跳频码。
In order to enhance the nonlinearity and period length, different chaotic maps are combined into a cascaded chaotic map to design FH codes.
对直扩信号侦测的计算机模拟结果表明，该方法不仅能检测到低信噪比的此类信号，而且能提取到扩频码周期等参数。
One is the detection of low SNR DSSS signal and extraction of length of PN code, the other is detection of BPSK signal from multi signals.
针对P码多普勒频移大、周期长的特点，本文探讨了缩短载频搜索范围的方法。
According to P-code features of large Doppler frequency shift and long code period, the method that shortens the scope of carrier frequency search is studied.
被高速伪随机码调制的扩频信号，其伪随机码是具有随机编码信号特征的周期信号。
The spread spectrum (SS) signal is modulated by high-rate pseudo noise code, and belongs to typically periodic signal.
针对长周期伪码的快速搜索问题，提出一种通过扩展均值处理技术扩大伪码搜索范围的长码快速搜索策略。
Aiming at the question on rapid search for long code, a rapid search strategy of long code is proposed, which expands the search scope of pseudorandom code adopting expansion and average technologies.
在产品周期初期或小组实作多项变更时，预期应该会有较高的程序码变换率。
You should expect high rates of code churn at the start of a product cycle or when the team has implemented many changes.
由于伪随机码固有的测距能力——其长周期和互相关特性，使得在测距距离和精度方面可以同时提高，采用码分多址技术可以实现对多个目标同时进行测控。
As the PN-code high performance of long period and the coherence, the very long distance and high precision ranging can be reached at the same time. Multi-target TT&C can be reached by CDMA of PN.
该捕获方法在捕获到同步长周期伪码的同时，也得到了多普勒频偏值的近似值。
Using this method, the synchronized PN code phase and approximation value of Doppler shift are got.
将码字索引空间按照带通浊音度模式进行细致划分，全浊音模式下的基音周期得到了更多的码矢量，从而进一步提高了基音周期的量化精度。
The size of the code book for the pitch is enlarged in the all-voiced mode so that the pitch can be more exactly quantized.
将码字索引空间按照带通浊音度模式进行细致划分，全浊音模式下的基音周期得到了更多的码矢量，从而进一步提高了基音周期的量化精度。
The size of the code book for the pitch is enlarged in the all-voiced mode so that the pitch can be more exactly quantized.
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