摘要：【中文】本发明公开了一种延时锁相环及其鉴相器电路，包括：启动控制电路，用于调整输入参考信号和待锁定信号进入鉴相器的起始状态；所述启动控制电路为可复位动态DFF结构；相位检测电路，用于将两个输入信号进行相位检测，并输出带有相位信息的窄脉宽信号；所述两个输入信号分别由参考信号和待锁定信号经缓冲器得到；所述相位检测电路包括两个双CLK的可复位动态DFF；其中，所有动态DFF的复位端接到RST。本发明的鉴相器电路，利用动态DFF完成鉴相，由输入信号触发复位，从而可缩短复位路径，提高相位检测速度。 【EN】The invention discloses a delay phase-locked loop and a phase discriminator circuit thereof, comprising: the starting control circuit is used for adjusting the initial state of the input reference signal and the signal to be locked entering the phase discriminator; the starting control circuit is a resettable dynamic DFF structure; the phase detection circuit is used for carrying out phase detection on the two input signals and outputting a narrow pulse width signal with phase information; the two input signals are respectively obtained by a reference signal and a signal to be locked through a buffer; the phase detection circuit comprises two resettable dynamic DFFs of double CLK; wherein the reset terminals of all dynamic DFFs are tied to RST. The phase discriminator circuit of the invention completes phase discrimination by using dynamic DFF, and triggers reset by input signals, thereby shortening reset path and improving phase detection speed.

摘要：【中文】本发明公开了一种用于多相位延时锁相环的高相位精度压控延迟线结构及其实现方法，包括n级相位输出电路；第一级的相位输出电路的单端‑差分电路用于接入参考时钟REF，其他级的相位输出电路的单端‑差分电路连接前一级的相位输出电路的差分‑单端电路的输出；每级相位输出电路的延时单元的输入连接该级相位输出电路的单端‑差分电路的输出，每级相位输出电路的延时单元的输出连接该级相位输出电路的差分‑单端电路的输入。本发明能够从电路层面上减小匹配误差，也能够节省芯片面积和功耗。 【EN】The invention discloses a high-phase precision voltage-controlled delay line structure for a multiphase delay phase-locked loop and an implementation method thereof, wherein the high-phase precision voltage-controlled delay line structure comprises an n-level phase output circuit; the single-ended-differential circuit of the phase output circuit of the first stage is used for accessing a reference clock REF, and the single-ended-differential circuit of the phase output circuit of the other stage is connected with the output of the differential-single-ended circuit of the phase output circuit of the previous stage; the input of the delay unit of each stage of phase output circuit is connected with the output of the single-end-differential circuit of the stage of phase output circuit, and the output of the delay unit of each stage of phase output circuit is connected with the input of the differential-single-end circuit of the stage of phase output circuit. The invention can reduce the matching error from the circuit level and can also save the chip area and the power consumption.

摘要：【中文】本发明提供了一种基于转移概率预处理的网络表示学习算法，对网络中每个节点计算其前t步转移概率之和，然后利用转移概率之和通过相关系数计算两个节点的行为相似度，根据两个节点的行为相似度更新原始网络结构中边的权值；该步骤重复I次，从而得到处理后的网络结构；利用矩阵分解算法对处理后的网络结构进行网络表示学习。本发明能够有效提高学习效率，有效保留节点之间低阶和高阶信息，从而提高网络表示学习在复杂网络中社区发现任务的准确率。 【EN】The invention provides a network representation learning algorithm based on transition probability preprocessing, which is characterized in that the sum of transition probabilities in the previous t steps is calculated for each node in a network, then the behavior similarity of two nodes is calculated by utilizing the sum of the transition probabilities through a correlation coefficient, and the weight of an edge in an original network structure is updated according to the behavior similarity of the two nodes; repeating the step I times to obtain a processed network structure; and performing network representation learning on the processed network structure by using a matrix decomposition algorithm. The invention can effectively improve the learning efficiency and effectively retain low-order and high-order information among nodes, thereby improving the accuracy of network representation learning in community discovery tasks in a complex network.

摘要：【中文】本发明涉及一种用于生成电子喉镜医学检测报告的系统和方法，该系统由数据处理模块、图像筛选模块、器官分割模块和病灶检测模块组成，所述数据处理模块与图像筛选模块相接，所述图像筛选模块分别接于器官分割模块和病灶检测模块；所述图像筛选模块、器官分割模块和病灶检测模块中分别设置有分类模型、分割模型和检测模型，器官分割模块和病灶检测模块分别接于器官定位模块。本发明提供的系统和方法能够在背景复杂的情况下识别出病灶并标记，生成诊断报告。并且可以针对不同器官的不同病变识别；预处理单元可以实时的从检查设备中读取检查视频并进行初步处理。 【EN】The invention relates to a system and a method for generating an electronic laryngoscope medical detection report, wherein the system consists of a data processing module, an image screening module, an organ segmentation module and a focus detection module, the data processing module is connected with the image screening module, and the image screening module is respectively connected with the organ segmentation module and the focus detection module; the image screening module, the organ segmentation module and the focus detection module are respectively provided with a classification model, a segmentation model and a detection model, and the organ segmentation module and the focus detection module are respectively connected with the organ positioning module. The system and the method provided by the invention can identify and mark the focus under the condition of complex background, and generate a diagnosis report. And can be identified for different lesions of different organs; the preprocessing unit can read the inspection video from the inspection device in real time and perform preliminary processing.

摘要：【中文】本发明涉及一种焊点质量检测方法，该方法包括：持续以指定频率在PCB板指定区域注入震动；单位时间内以固定时间间隔连续获取三原色光RGB照射下的电路板图像；对电路板图像中的焊点部分划分有效子区域；对有效子区域图像按照时间重组为RGB三路时间序列信号；采用独立分量分析算法，获取相关性最小的三路独立分量；进行FFT变换，选出与有效子区域图像相关性最大的一路独立分量；根据独立分量与典型值拟合程度，判断焊点质量。本发明通过持续以指定频率注入震动，将有效子区域图像重构为时间序列信号，利用独立分量分析算法和FFT变换获取焊点震动频谱特性，与典型值拟合，判断焊点质量，提高了焊点检测的准确率和速度。 【EN】The invention relates to a welding spot quality detection method, which comprises the following steps: continuously injecting vibration into a designated area of the PCB at a designated frequency; continuously acquiring circuit board images under the irradiation of three primary color lights RGB at fixed time intervals in unit time; dividing a welding spot part in a circuit board image into effective subregions; recombining the effective subregion images into RGB three-path time sequence signals according to time; obtaining three independent components with minimum correlation by adopting an independent component analysis algorithm; performing FFT (fast Fourier transform) to select one path of independent component with the maximum correlation with the image of the effective subregion; and judging the quality of the welding spot according to the fitting degree of the independent component and the typical value. According to the invention, vibration is injected continuously at a specified frequency, the effective subregion image is reconstructed into a time sequence signal, the frequency spectrum characteristic of vibration of the welding spot is obtained by using an independent component analysis algorithm and FFT (fast Fourier transform), the welding spot quality is judged by fitting with a typical value, and the accuracy and the speed of welding spot detection are improved.

摘要：【中文】本发明属于水下无线通信技术领域，公开了一种基于非线性晶体的大功率水下无线激光通信系统及方法，基于非线性晶体的大功率水下无线激光通信系统包括光源模块、信号调制模块、射频驱动模块、光放大模块、波长变换模块和光纤准直模块。本发明使用1064nm红外光外调制技术加光放大技术与非线性晶体的倍频特性相结合，通过光纤准直系统实现了速率大于100Mbps、输出波长532nm、发散角小于2mrad，光功率大于1W的大功率无线激光转光纤输出，准直后无线输出的水下激光通信系统；本发明水中封装简单，输出光斑可调，而且可提升传输距离，从而扩大水下高速无线通信的覆盖区域，使水下无线光通信更加实用化。 【EN】The invention belongs to the technical field of underwater wireless communication, and discloses a high-power underwater wireless laser communication system and method based on a nonlinear crystal. The invention uses 1064nm infrared light external modulation technology and light amplification technology to combine with the frequency doubling property of nonlinear crystal, and realizes an underwater laser communication system which converts high-power wireless laser with the speed of more than 100Mbps, the output wavelength of 532nm, the divergence angle of less than 2mrad and the optical power of more than 1W into optical fiber output and wirelessly outputs after collimation by using an optical fiber collimation system; the underwater high-speed wireless communication system is simple in underwater packaging, adjustable in output light spot and capable of increasing the transmission distance, so that the coverage area of underwater high-speed wireless communication is enlarged, and the underwater wireless optical communication is more practical.

摘要：【中文】本发明公开了一种基于指示单光子源与轨道角动量的量子密钥分配方法，用指示单光子源代替奇相干光源。利用指示单光子源中的休闲光子能预报信号光子的优点，减少了探测器暗计数对测量设备无关量子密钥分配协议性能的影响。其次，利用轨道角动量编码代替偏振编码，解决了量子密钥分配中基的依赖性问题，进一步提高了安全密钥生成率且降低了比特误码率。最后，本发明不但研究了对称信道下基于指示单光子源与轨道角动量的测量设备无关量子密钥分配性能，还研究了在非对称信道下基于指示单光子源与轨道角动量的测量设备无关量子密钥分配性能。因为非对称信道在实际通信更常见，更适合实际应用。仿真结果表明，非对称信道时协议的性能比对称信道时更好。 【EN】The invention discloses a quantum key distribution method based on an indicating single photon source and orbital angular momentum, wherein the indicating single photon source is used for replacing an odd coherent light source. By utilizing the advantage of indicating the leisure photon energy in the single photon source to forecast the signal photons, the influence of the dark count of the detector on the performance of the quantum key distribution protocol irrelevant to the measuring equipment is reduced. And secondly, polarization encoding is replaced by orbital angular momentum encoding, so that the problem of dependence of a base in quantum key distribution is solved, the generation rate of a security key is further improved, and the bit error rate is reduced. Finally, the invention not only researches the irrelevant quantum key distribution performance of the measuring equipment based on the indication single photon source and the orbital angular momentum under the symmetrical channel, but also researches the irrelevant quantum key distribution performance of the measuring equipment based on the indication single photon source and the orbital angular momentum under the asymmetrical channel. Because the asymmetric channel is more common in practical communication and is more suitable for practical application. Simulation results show that the performance of the protocol is better when the channel is asymmetric than when the channel is symmetric.

摘要：【中文】本发明公开了一种用于高速模数转换器的误差校准方法及系统，包括：在ADC第一级MDAC结构中加入伪随机注入模块，改变其传递函数，获得第一级MDAC数字输出、伪随机码注入模块输出及ADC其余模块数字输出三类输出；将获得的三类输出作为信号输入，构造与ADC采样电容失配情况相关的平行四边形高度参数函数，进行对应LMS算法迭代，获得收敛的电容失配误差系数；构造与ADC运算放大器增益误差相关的增益统计参数函数，进行对应LMS算法迭代，获得收敛的增益误差系数；采用获得的电容失配误差系数和增益误差系数修正ADC最终输出。本发明能够提升高速ADC的各项动态性能。 【EN】The invention discloses an error calibration method and system for a high-speed analog-to-digital converter, which comprises the following steps: adding a pseudo-random injection module in an ADC first-stage MDAC structure, changing a transfer function of the pseudo-random injection module, and obtaining three types of outputs of a first-stage MDAC digital output, a pseudo-random code injection module output and the digital outputs of other ADC modules; taking the obtained three types of outputs as signal inputs, constructing a parallelogram height parameter function related to the mismatch condition of the ADC sampling capacitor, and performing corresponding LMS algorithm iteration to obtain a converged capacitor mismatch error coefficient; constructing a gain statistical parameter function related to the gain error of the ADC operational amplifier, and performing corresponding LMS algorithm iteration to obtain a convergent gain error coefficient; and correcting the final output of the ADC by using the obtained capacitance mismatch error coefficient and the gain error coefficient. The invention can improve various dynamic performances of the high-speed ADC.

摘要：【中文】本发明涉及一种QoS队列调度实现方法，该方法包括：在网络内部配置区分服务和队列调度算法的路由器上获得数据流样本；将数据流样本分成训练和验证样本集；将训练样本集输入Softmax回归模型分类器并不断迭代训练，同时使用验证样本集不断验证该模型；在性能较低的路由器上获取数据流参数，输入模型分类器中，获得数据流的优先级队列类别；根据优先级队列类别，在性能较低的路由器上采用访问控制列表技术，实现队列调度方法。本发明通过构建Softmax回归模型，避免了性能较低的路由器上高优先级业务流时延增大、效率降低的可能，同时可提高业务流查找对应优先级的速度。 【EN】The invention relates to a QoS queue scheduling realization method, which comprises the following steps: obtaining a data flow sample on a router which is configured with differentiated services and a queue scheduling algorithm in a network; dividing the data stream samples into training and verification sample sets; inputting the training sample set into a Softmax regression model classifier for continuous iterative training, and simultaneously continuously verifying the model by using a verification sample set; acquiring data flow parameters on a router with lower performance, inputting the data flow parameters into a model classifier, and acquiring a priority queue category of a data flow; according to the priority queue category, the access control list technology is adopted on the router with lower performance, and the queue scheduling method is realized. The invention avoids the possibility of time delay increase and efficiency reduction of high priority service flow on a router with lower performance by constructing the Softmax regression model, and can improve the speed of searching corresponding priority of the service flow.

摘要：【中文】本发明涉及一种工业无线传感器网络的通信实现方法，该方法包括：各设备节点在无数据发送时，不监听信道；若有数据发送，需将数据划分为等长的多个短数据包，送入待发送队列，并开始监听信道，获取当前的干扰功率Z(t)；从待发送队列取出一数据包，并获取当前的干扰功率Z(t+1)；计算预期可能引入的干扰功率Z_N(t+1)；计算应当采用的发送功率P(t+1)和发送速率R(t+1)，使得发送数据包总功率E(t+1)最小；以发送功率P(t+1)和发送速率R(t+1)发送数据包。本发明通过构建新的功率和速率控制策略，降低了设备功耗，能够满足低延迟和完全分散的信道多路访问需求。 【EN】The invention relates to a communication implementation method of an industrial wireless sensor network, which comprises the following steps: when no data is transmitted, each equipment node does not monitor a channel; if data are sent, dividing the data into a plurality of short data packets with equal length, sending the short data packets into a queue to be sent, starting to monitor a channel, and acquiring the current interference power Z (t); taking out a data packet from a queue to be sent, and acquiring the current interference power Z (t + 1); calculating the expected possibly introduced interference power Z_N(t + 1); calculating the transmission power P (t +1) and the transmission rate R (t +1) which should be adopted, so that the total power E (t +1) of the transmitted data packets is minimum;the data packet is transmitted at a transmission power P (t +1) and a transmission rate R (t + 1). The invention reduces the equipment power consumption by constructing a new power and rate control strategy, and can meet the requirements of low delay and completely dispersed channel multiple access.