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tongxinxitong

于 2018-05-17 发布文件大小:129KB

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通过simulink仿真工具架构的SCPC通信系统，基本架构为卫星通信系统，包括PCM编译码器、调制器、成型滤波、变频器、低噪声功率放大器、各类天线、模拟自由空间损耗、模拟等效噪声温度、卷积编译码器(The basic architecture of SCPC communication system based on Simulink simulation tool is satellite communication system, including PCM compiler, modulator, shaping filter, frequency converter, low noise power amplifier, all kinds of antennas, analog free space loss, analog equivalent noise temperature, convolutional compiling code.)

文件列表：

tongxinsheji1.slx, 40661 , 2017-12-10
tongxinsheji2.slx, 44813 , 2017-12-10
tongxinsheji.slx, 48074 , 2017-12-10

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SISO
siso信道模型，用于建立基础的点对点信道(SISO channel Model)

2012-04-08 11:33:22下载

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aliasingfilter
1）设计Butterworth型音频抗混叠滤波器； 2）参数：下通带频率300Hz；上通带频率3400Hz；下阻带频率280Hz；上阻带频率3600Hz；通带最大衰减0.3dB；阻带最小衰减40dB； 3）采用一低通滤波器和一高通滤波器级联； 4）分别确定LPF和HPF的性能指标； 5）求出两滤波器的系统函数和频率响应，并画出其幅频特性曲线； 6）求整个滤波器的系统函数和频率响应，并画出其幅频特性曲线。(1) the design of Butterworth-type audio anti-aliasing filter 2) parameters: passband frequency of 300Hz on pass-band frequency 3400Hz under the stop-band frequency of 280Hz on stop-band frequency 3600Hz passband maximum attenuation of 0.3dB minimum stopband attenuation of 40dB 3) the use of a low-pass filter and a high-pass filter cascade 4) separately to determine the performance of LPF and HPF target 5) to derive two-filter system function and frequency response, and draw its increase frequency characteristic curve 6) for the entire filter system function and frequency response, and draw its amplitude-frequency characteristic curve.)

2009-04-08 22:56:06下载

积分：1
ofdm
说明： orthogonal frequency demod

2019-03-05 05:04:44下载

积分：1
Attachments_2012_10_19
Automatic navigation system

2012-10-19 01:29:11下载

积分：1
Overcoming_IP_Address_Issues_with_GPRS_Remote_Mon
GPRS is a communication technology that allows data acquisition systems to overcome the difficulty of cabling for wide area remote sites. GPRS applications are becoming more and more prevalent due to the ease with which they can be implemented, but the dynamic IP address issues associated with GPRS networking continue to frustrate system integrators.

2011-10-18 04:27:27下载

积分：1
Si100x_SPI0_Slave
HLP A+ Modbus 标准通讯协议格式，上位机发送数据格式，正确时变频器返回数据格式(This bit will be set to logic 1 when the receive buffer has been read and contains no new information. If there is new information available in the receive buffer that has not been read, this bit will return to logic 0. RXBMT = 1 when in Master Mode.)

2013-11-15 11:31:43下载

积分：1
AUCFR-thesistemplate
说明： thesis document used for ph.d degree

2019-03-24 22:22:49下载

积分：1
JYTJQL
这是外汇活动中的一种可以从多种货币的汇率差异中,获得利润(This is one of the foreign exchange activities that can be profited from the exchange rate differences of multiple currencies.)

2019-01-01 05:37:39下载

积分：1
OFDM_Modulation_o
说明：实现optisystem中matlab component的ofdm仿真。这是调制代码解调代码在另一个程序里。(Realize ofdm simulation of matlab component in optisystem. This is the modulation code. The demodulation code is in another program.)

2020-03-26 22:40:48下载

积分：1
OFDM- DP-16PSK
OFDM相干检测双极化16PSK optisystem模型(OFDM Coherent Detection Single Port Dual Polarization 16PSK)

2018-06-29 21:28:32下载

积分：1

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