查询词典 interleaver

Interleaver design based on phase characteristic of Fabry-Perot cavity.

引入衰减的多腔法布里珀罗滤波器的特性分析。

V3. 3. 0 . As for the random sort of interleaver design, an optimum algorithm is also put forward, which can greatly reduce the time and storage complexity of the old one.

对于交织器设计中的随机排序问题，本文也提出了优化算法，大大改善了原有算法的时间和空间复杂度。

Based on the channel state information, the approach selects one interleaver from a pool of candidate interleavers.

该方法基于信道状态信息，从一组交织器中选出一个较优者来传输当前编码块。

An advantage of this,interleaver is that the coupling ratio of coupler and the proportion of the length differences can be controlled accurately because light interference effect can be sheered away in fabricating.

与通常的3阶级联Mach-Zehnder干涉仪相比，耦合器数目减少，在实际制作时可以对耦合器的分光比和干涉臂臂长差进行准确监测和控制。

The apparatus further includes a quad-symbol mapper which quad-maps the systematic symbol streams to one symbol stream, a channel interleaver which independently interleaves the quad-mapped systematic symbol stream and the parity symbol streams, quad-demaps the quad-mapped systematic symbol stream, interlaces symbols in parity symbol streams, and serial-concatenates the quad-demapped systematic symbol stream to the interlaced parity symbol streams.

该设备还包括：四码元映射器，其将系统码元流四映射到一个码元流；信道交织器，其独立地交织四映射的系统码元流和奇偶码元流，对四映射的系统码元流进行四逆映射，交错奇偶码元流中的码元，并且将四逆映射的系统码元流串行连接为交错的奇偶码元流。

In Chapter 2,encoder structure,decoder structure and interleaver of parallel concatenated Convolutional code and serially concatenated Convolutional code are studied. Symbol-wise SISO algorithm and bit-wise SISO algorithm are given.

在第二章中，系统分析了并行级联卷积编码和串行级联卷积编码的编码结构、交织器的类型、译码结构以及基于符号和基于比特的SISO算法。

Secodely , introduces the FPGA implementation of the DVB-T coder and modulator , some of the core arithmetic , such as , inner coding , inner-interleaving ( bit-wise / symbol interleaver ), signal constellations and mapping , OFDM frame structure are detailed .

然后，详细描述了DVB-T信道编码调制器中的部分核心算法的FPGA电路设计、调试和实现，包括内编码、内交织(包括比特交织和符号交织)、星座映射、帧形成等。

Then , introduces the FPGA designed of the DVB-T decoder and demodulator , some of the core arithmetic , such as , demapper , inner-deinterleaving ( bit-wise/symbol interleaver ), viterbi decoder are detailed .

接着，详细描述DVB-T信道解码解调器中的部分核心算法的FPGA设计，包括星座解映射、符号解交织、比特解交织、viterbi译码等；另外，接收机中的帧同步和TPS提取采用C定点软件实现。

It′s easy to control the thickness of the spacer of the device when employing the fused quartz as the material of the spacer,so the thin film interleaver can satisfiedly meet the demand of the narrow wavelength gap for the DWDM system.

采用间隔层为熔融石英的薄膜法布里-珀罗滤光片作为基本结构的光学梳状滤波器可以比较容易地控制各腔的厚度，因而能精确地达到波分复用系统中波长间隔非常窄的要求。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。