抗蠕虫药是指能杀灭或驱除人和动物寄生蠕虫的药物,市场需求巨大。为满足兽药行业发展和寄生虫病防控的实际需要,农业农村部兽药评审中心根据抗蠕虫药临床有效性试验评审现状,充分借鉴兽用药品注册技术要求国际协调会(International Coo...抗蠕虫药是指能杀灭或驱除人和动物寄生蠕虫的药物,市场需求巨大。为满足兽药行业发展和寄生虫病防控的实际需要,农业农村部兽药评审中心根据抗蠕虫药临床有效性试验评审现状,充分借鉴兽用药品注册技术要求国际协调会(International Coordination on Harmonization of Technical Requirements for Registration of Veterinary Medical Products,VICH)的兽药研究指导原则和技术评审要求,组织制订了《猪/牛/羊/禽抗蠕虫药临床有效性试验技术指导原则》,科学指导抗蠕虫药研发和评审工作,促进兽药行业高质量发展。本文从《猪/牛/羊/禽抗蠕虫药临床有效性试验技术指导原则》的制订思路和主要内容,科学、系统阐述猪/牛/羊/禽抗蠕虫药临床有效性研究的要点,以期为抗蠕虫药物的研发、申报注册和技术评审提供科学指导和依据。展开更多
One of the major challenges arising in internet of military things(IoMT)is accommodating massive connectivity while providing guaranteed quality of service(QoS)in terms of ultra-high reliability.In this regard,this pa...One of the major challenges arising in internet of military things(IoMT)is accommodating massive connectivity while providing guaranteed quality of service(QoS)in terms of ultra-high reliability.In this regard,this paper presents a class of code-domain nonorthogonal multiple accesses(NOMAs)for uplink ultra reliable networking of massive IoMT based on tactical datalink such as Link-16 and joint tactical information distribution system(JTIDS).In the considered scenario,a satellite equipped with Nr antennas servers K devices including vehicles,drones,ships,sensors,handset radios,etc.Nonorthogonal coded modulation,a special form of multiple input multiple output(MIMO)-NOMA is proposed.The discussion starts with evaluating the output signal to interference-plus-noise(SINR)of receiver filter,leading to the unveiling of a closed-form expression for overloading systems as the number of users is significantly larger than the number of devices admitted such that massive connectivity is rendered.The expression allows for the development of simple yet successful interference suppression based on power allocation and phase shaping techniques that maximizes the sum rate since it is equivalent to fixed-point programming as can be proved.The proposed design is exemplified by nonlinear modulation schemes such as minimum shift keying(MSK)and Gaussian MSK(GMSK),two pivotal modulation formats in IoMT standards such as Link-16 and JITDS.Numerical results show that near capacity performance is offered.Fortunately,the performance is obtained using simple forward error corrections(FECs)of higher coding rate than existing schemes do,while the transmit power is reduced by 6 dB.The proposed design finds wide applications not only in IoMT but also in deep space communications,where ultra reliability and massive connectivity is a keen concern.展开更多
文摘抗蠕虫药是指能杀灭或驱除人和动物寄生蠕虫的药物,市场需求巨大。为满足兽药行业发展和寄生虫病防控的实际需要,农业农村部兽药评审中心根据抗蠕虫药临床有效性试验评审现状,充分借鉴兽用药品注册技术要求国际协调会(International Coordination on Harmonization of Technical Requirements for Registration of Veterinary Medical Products,VICH)的兽药研究指导原则和技术评审要求,组织制订了《猪/牛/羊/禽抗蠕虫药临床有效性试验技术指导原则》,科学指导抗蠕虫药研发和评审工作,促进兽药行业高质量发展。本文从《猪/牛/羊/禽抗蠕虫药临床有效性试验技术指导原则》的制订思路和主要内容,科学、系统阐述猪/牛/羊/禽抗蠕虫药临床有效性研究的要点,以期为抗蠕虫药物的研发、申报注册和技术评审提供科学指导和依据。
基金supported in part by the National Natural Science Foundation of China(Grant Nos.61601346 and 62377039)the Natural Science Basic Research Plan in Shaanxi Province of China(Grant No.2018JQ6044)+2 种基金the Ministry of Industry and Information Technology of the People's Republic of China(Grant No.2023-276-1-1)the Fundamental Research Funds for the Central Universities,Northwestern Polytechnical University(Grant No.31020180QD089)the Aeronautical Science Foundation of China(Grant Nos.20200043053004 and 20200043053005)。
文摘One of the major challenges arising in internet of military things(IoMT)is accommodating massive connectivity while providing guaranteed quality of service(QoS)in terms of ultra-high reliability.In this regard,this paper presents a class of code-domain nonorthogonal multiple accesses(NOMAs)for uplink ultra reliable networking of massive IoMT based on tactical datalink such as Link-16 and joint tactical information distribution system(JTIDS).In the considered scenario,a satellite equipped with Nr antennas servers K devices including vehicles,drones,ships,sensors,handset radios,etc.Nonorthogonal coded modulation,a special form of multiple input multiple output(MIMO)-NOMA is proposed.The discussion starts with evaluating the output signal to interference-plus-noise(SINR)of receiver filter,leading to the unveiling of a closed-form expression for overloading systems as the number of users is significantly larger than the number of devices admitted such that massive connectivity is rendered.The expression allows for the development of simple yet successful interference suppression based on power allocation and phase shaping techniques that maximizes the sum rate since it is equivalent to fixed-point programming as can be proved.The proposed design is exemplified by nonlinear modulation schemes such as minimum shift keying(MSK)and Gaussian MSK(GMSK),two pivotal modulation formats in IoMT standards such as Link-16 and JITDS.Numerical results show that near capacity performance is offered.Fortunately,the performance is obtained using simple forward error corrections(FECs)of higher coding rate than existing schemes do,while the transmit power is reduced by 6 dB.The proposed design finds wide applications not only in IoMT but also in deep space communications,where ultra reliability and massive connectivity is a keen concern.
