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以SPCE061A单片机（ Single Chip Micyoco）为核心，通过DDS合成技术设计制作了一个步进值能任意调节的多功能信号源。该信号源在1KHz～10MHz范围能输出稳定可调的正弦波，并具有AM、FM、ASK和PSK等调制功能。信号输出部分采用低损耗电流反馈型宽带运放作电压放大，很好地解决了带宽和带负载能力的要求。系统带中文显示和键盘控制功能，操作简便，实现效果良好。
内含 原程序，正弦信号发生器的pCB原理图，以及一些相关论文。-to SPCE061A (Single Ch
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Abstract：Noise frequency modulation(FM)jamming。which belongs to blanket jamming。is already become
the main form ofnoise jamming at present。because the wideband was gained by it．Tne spectnlnl ofnoise FM
jamming is analyzed by time domain autocorre
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正交频分复用的调制解调：实现了mb-ofdm的基带超宽带信号调制解调-Orthogonal frequency division multiplexing of the modulation and demodulation: the mb-ofdm of base-band ultra-wideband signal modulation and demodulation
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分析了在超宽带通信系统中的扩频干扰，并用两种通用的调制技术实现了对提出的抗干扰方法的仿真-he ultra wideband (UWB) interference to direct
sequence spread spectrum (DSSS) receiver is analyzed. Two
popular UWB modulation schemes, the time hopping pulse
position modulat
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generation of wideband high dynamic range analog signal for area-efficient MADBIST, especially for the on-chip testing of wireless communication IF digitizing sigma–delta modulator chip. Via increasing the order of the one-bit bandpass sigma–delta m
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关于宽带CDMA系统的仿真程序，用C语言编写。内容保护各种信道模型，调制信号如QPSK的产生，各种接收如RAKE接收-Wideband CDMA system on the simulation program, using C language. Content Protection various channel models, such as the QPSK modulation signal generation, a variety of receivers such as RAKE
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该程序代码为OFDM系统的发射端，包括了多带超宽带系统信号的调制。-The program code of the emitting end of the OFDM system, including the modulation of a multi-band Ultra-Wideband System signal.
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cdma是在数字技术的分支——扩频通信技术上发展起来的一种崭新而成熟的无线通信技术。即将需传送的具有一定信号带宽信息数据，用一个带宽远大于信号带宽的高速伪随机码进行调制，使原数据信号的带宽被扩展，再经载波调制并发送出去。接收端使用完全相同的伪随机码，与接收的带宽信号作相关处理，把宽带信号换成原信息数据的窄带信号即解扩，以实现信息通信。-cdma wireless communication technology in a new and sophisticated digital technol
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阵列对接收的宽带噪声调频信号采用极大似然法测向-For wideband noise frequency modulation signal received by the array,using the maximum likelihood method to estimate the AOA
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宽带雷达的检测模型,包括扩展目标模型、线性调频信号和脉冲压缩-Wideband radar detection model,including the distance extended target, the Linear Frequency Modulation signal and pulse compression
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用MATLAB语言在发送端产生跳时超宽带信号（PPM-TH-UWB）-The transmitting port generate Ultra-wideband signal with PPM modulation using MATLAB language.
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数字宽带接收机的信道化处理下的常规雷达信号的信号检测与脉内调制模式识别-The digital wideband receiver channel of the conventional radar signal under the condition of signal detection and intra-pulse modulation pattern recognition
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n the telecommunications, direct-sequence spread spectrum (DSSS) is a spread spectrum modulation technique. Spread spectrum systems are such that they transmit the message bearing signals using a bandwidth that is in excess of the bandwidth that is a
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雷达信号去斜处理方法：去斜处理(宽带的匹配滤波)Stretch方法是针对线性调频信号而提出的, 其方法是将输入信号与参考信号 (经适当延迟的本振信号, 延迟量通常由窄带信号测距结果估计出) 混频(Radar signal de-obliquation processing method: The Stretch method of deskew processing (wideband matched filter) is proposed for linear frequency modula
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