设计一种声纳接收机测试用信号源，该信号源的工作原理基于DDS技术和对数DAC。
A signal source in sonar receiver's testing is designed, its working principle is based on DDS technology and log DAC.
基于虚拟仪器技术，依据实际的某接收机测试设备研制任务，设计了一套自动化测试系统。
Based on virtual instruments technology and an actual task of receiver test (equipment) development, a set of automatic test system is designed.
在接收机测试台中，采用GPIB接口的虚拟仪器系统，主要实现的功能是对模拟电路进行故障诊断。
The function of the VI system based on GPIB in Test Bench of Receiver is fault diagnosis in analog circuit.
介绍低光功率接收机在有线电视HF C网络中的应用，并对信号指标进行测试和比较，对经济效益进行分析。
Introduced the application of low optical power receiver to HFC network. Signal testing and economical benefit analyzing were presented at the same time.
本论文给出了时钟恢复电路的基本原理以及采用PLL型时钟恢复电路的完整的电路设计、模拟结果和版图设计，以及将时钟恢复电路集成到光接收机后的测试结果。
The thesis presents basic principle of CRC and rounded circuit design, simulation results, layout design and testing results of a PLL type CRC, which is incorporated in a optic-fiber receiver chip.
分析了加窗对单比特接收机的性能影响，并给出了一种基于DSP的实现方法，在此基础上建立了一个单比特电子战系统测试系统。
Window function's performances are analyzed, and the realization methods based on DSP are given. Monobit EW receiver test systems were built basing on these methods.
重点介绍应用新器件、新技术实现对雷达接收机噪声系数的测试。
The focal point is how to use new elements and new technology to accomplish measurment about noise coefficients of radar's receiver.
本文简要阐述彩色电视接收机用超声延迟线的工作原理、结构和测试方法。
This paper Outlines the principle of operation, configurations, and testing technique of the ultrasonic delay lines used in color TV.
最后对数字接收机在天气雷达中如何应用设计、计算，并给出了实际系统的测试结果。
In the last part, it is discussed the designing and calculating of digital receiver in weather radar, and the results of real system 's test are also given.
测试结果表明本次设计最终实现了系统所要求的动态范围，并且使接收机的性能指标得到保证。
The test results showed that the eventual realization of the design of the system dynamic range requirements, so that the receiver performance can be guaranteed.
对于一般的生产厂商而言，难以具备EMI接收机等测试条件。
However, it is often impossible for ordinary manufacturers to provide the professional measurement conditions, such as an EMI receiver.
该GPS信号模拟器结构简单，成本低，生成的GPS信号精度高，可以满足部分GPS接收机的测试需求。
The GPS simulator is simple and low cost. The generated signal is accuracy enough to meet the test of most GPS receiver.
最后对接收机性能进行了测试，得到了理想的解调结果。
Finally the performance of the receiver is tested, and the demodulation output is found perfect.
立体声通道分离五零分贝和低谐波失真测试的调频立体声接收机。
Stereo channel separation of 50 dB and low harmonic distortion for testing FM stereo receivers.
应答接收机误码测试系统是在微波频段测试接收机误码率的测试设备。
The error code rate test system of answer receiver is used for testing error rate of testing receiver at microwave band.
利用在接收机输入端加入测试信号，基于统计平均的思想求出所需要的校正系数，然后实现正交解调误差的校正。
Correction coefficients can be received based on statistic average when importing a test signal. Then quadrature demodulation errors are realized.
该测试设备可实现对引信收发组件、主通道微波接收机、修正通道微波接收机的各项功能的测试。
These test equipments can measure every parameter of fusee subassembly, main passway microwave receiver and revise passway microwave receiver.
完成了十二通道接收机阵列的安装、软硬件联调和所有性能指标的测试。
The 12-channel IF sampling digital receiver array board is debugged and tested.
最后经过仿真并在FPGA上实现，并通过接收机系统的联调与测试，验证了设计的合理性与可靠性。
The whole receiver system based on FPGA has been successfully aligned and debugged. The rationality and robustness of the design...
典型的射频微波类测试仪表：信号源、频谱分析仪、网络分析仪、功率计、接收机等等；
Typical RF & uW instruments: signal generators, spectrum analyzers, network analyzers, power meters, receivers and so on;
高可靠性雷达接收机自动测试系统采用USB总线、增加了接收机状态控制、仪表在线监控功能和电路自检功能。
The radar automatic test instrument USES USB, and increases special state controller, on-line instruments controller and BIT.
接着分别对改进后的接收机的定位精度和接收灵敏度进行了静态现场测试。
Under the static positioning mode, the testing results show that the performance of positioning in the new receiver is improved effectively.
在此基础上，通过开展落锤试验，高速转台试验，以及高动态模拟试验测试接收机的整体性能测试。
On this basis, it is through a series of experiments, including drop hammer experiment, high-speed rotating floor experiment and dynamic simulation experiment to test the performance of the receiver.
因此您需要合适的测试设备与测试方法，来准确捕获雷达回波和杂散信号，进行雷达发射机及接收机指标测试，同时评估系统的抗干扰性及其他电路指标。
Suitable test system and method are need toaccurately capture and analyze the echo and clutter, even to test transmitterand receiver of Radar, and estimate the anti-jamming of Radar.
之后重点阐述了接收机的设计方法及过程，最后给出了高温超导信道化接收机主要部件以及整体系统的测试结果。
The method and process of the receiver designing are described. Finally, the testing results of the main components of the receiver and the overall system are presented.
此外还对所设计出的接收机射频前端进行了整机测试，以检验接收机射频前端性能是否满足设计所需。
Furthermore, we carried out system testing in order to examine its performance, found out that the system satisfies design targets.
第五章为了测试不接触电法接收机的性能，设计了室内实验模型，针对室内模型的测试结果，证明了仪器的可行性。
Chapter 5 in order to learn about the performance of the untouched electrode receiver, the experiment model in the lab is designed, the result of the test is given out. The realization is proved.
文章将重点放在了ASK中频信号发生器和接收机的FPGA设计及实现，给出了详细的设计方案和功能测试结果。
The paper focuses on the design and implementation of FPGA based ASK if transceiver and detailed design and functional verification are described.
文章将重点放在了ASK中频信号发生器和接收机的FPGA设计及实现，给出了详细的设计方案和功能测试结果。
The paper focuses on the design and implementation of FPGA based ASK if transceiver and detailed design and functional verification are described.
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