30 results about "Ibis" patented technology

The invention provides an IBIS (Input/Output Buffer Information Specification) model verification method, comprising the steps of: establishing a test circuit board specific to a pin corresponding to a model, to be verified, of a device, exciting the test circuit board, and detecting detection waveforms output by the test circuit board; establishing a circuit topological model of the pin corresponding to the model to be verified on the test circuit board, and simulating to obtain simulated waveforms; and comparing the simulated waveforms and the test waveforms and obtaining a model verification result according to a comparison result. The invention further provides an IBIS model verification system. According to the invention, the final output waveforms of the model are used to verify the quality of the model so that higher precision is achieved.

A method for converting an IBIS (Input/output Buffer Information Specification) model to a SPICE (Simulation Program with Integrated Circuit Emphasis) behavioral model by RC (resistor/capacitor) extraction is provided. In the method, when the SPICE behavioral models of pull-up and pull-down transistors being switching components of the output IBIS model is embodied, a resistance is extracted from voltage-current tables of the pull-up and pull-down transistors and a capacitance is extracted from voltage-time tables of the pull-up and pull-down transistors so that a static characteristic is modeled as a resistor and a dynamic characteristic is modeled as a capacitor.

The invention discloses feed applicable for crested ibis nestlings. The feed applicable for crested ibis nestlings includes basic feed and compound additives. The basic feed is made from the followingraw materials in percentages by weight: 35-50% of loach, 6-14% of river shrimps, 2-5% of bull frogs, 7-36% of milk, 6-9% of tenebrio molitor, 5-8% of egg yolks, 4-7% of apples and 0-6% of carrots. The mass ratio of the basic feed to the compound additives is 100: (1-3). The feed applicable for crested ibis nestlings is sufficient in proteins, vitamins, trace elements, etc., reasonable in collocation and compatibility of various raw materials, rich and balanced in nutrition and capable of adapting to the growth, development and digestion of crested ibis nestlings and making the crested ibis nestlings like and fully digest and absorb the feed at different stages and grow rapidly.

The invention discloses a method of reconstructing the ground clamping curve and the power clamping curve of a chip IBIS model, which reconstructs the current-voltage curve of the IBIS through a simple circuit model and is applicable to the signal integrity analysis and circuit simulation technical field. According to the characteristics showed by the power clamping curve and the ground clamping curve, proper discrete components mainly involving diodes and resistors are selected to build different equivalent circuits, and then the simulation of the equivalent circuits is carried out to obtain the accurate ground clamping curve and the power clamping curve of the IBIS model. The method which is simple and easy enables an engineer to carry out accurate simulation before obtaining the accurate IBIS model.

The invention discloses an IBIS-based integrated circuit total dose effect modeling method. The IBIS-based integrated circuit total dose effect modeling method comprises the steps of performing irradiation on an original electronic device by adopting different target accumulated doses; performing data measurement and model extraction on the irradiated original electronic device, and establishing an IBIS model database of the electronic device under all the target accumulated doses; under the condition of giving a total irradiation dose D, performing interpolation operation on the established model database of the device according to the total irradiation dose D to obtain VI and VT interpolation data under the irradiation dose, and building an IBIS model according to the interpolation data, namely, an IBIS irradiation total dose effect model of the device under the irradiation dose. According to the method, the influence of irradiation conditions on PCB signal integrity is considered based on original PCB signal integrity analysis, and model support is provided for performing simulation analysis of PCB signal integrity problem under the irradiation condition.

In one embodiment, the invention is a method for modeling electrical behavior of a packaged module having multiple integrated circuits (ICs), such as a multi-chip module (MCM). The method includes: (a) identifying one or more pin groups in the module, wherein a pin group comprises two or more buffers connected together and to a package-external pin, and (b) generating one or more corresponding unified behavioral models for the one or more pin groups based on the characteristics of the buffers of the one or more pin groups. The behavioral models are part of an integrated behavioral model file in accordance with the I/O buffer information specification (IBIS) standard.

The invention discloses an improved ABC (Artificial Bee Colony) algorithm based crested ibis chirp codebook design method. The improved ABC algorithm based crested ibis chirp codebook design method comprises step 1, digitizing collected chirps of crested ibis behaviors into an N-dimension vector Z, wherein Z is a set from z1 to zN, Z is a training sequence which is formed by N k-dimension characteristic vectors, N represents N types of the chirps emitted from the crested ibis behaviors, the i characteristic vector is recorded as zi, and zi is a set from t1 to tK and step 2, dividing the characteristic vectors Z into M subspaces which are mutually disjointed according to a nearest neighbor domain method and searching a code word to represent a vector ym by an improved ABC algorithm in every subspace so as to enable the M representative vectors to form a vector set Y, wherein Y is a set from y1 to yM. Disturbance factors are added into the improved ABC algorithm based crested ibis chirp codebook design method and accordingly the search capability is high in the individual solution space range during early optimization by the improved ABC algorithm, the too early falling into the local optimum is avoided, and the convergence speeds up. Compared with the traditional LBG (Linde Buzo Gray) algorithm and the standard ABC algorithm, the speed is high and the robustness is good when the search is performed in the audio frequency to be tested.

The invention relates to feed for the adult crested ibis breeding period. A feed nutrition ratio is made for crested ibis between January and May according to creophagism habits of crested ibis, nutrition required during the breeding period and digestion conditions, and on the premise that beef containing a lot of protein serves as staple food, grains are added to increase coarse fiber in the feed; carrots and yeast are used for supplementing needed microelements and amino acids, and intestinal digestion can be promoted and food retention is avoided while the eating capacity of crested ibis isincreased; a small amount of nutrition powder is added to make up for nutrition insufficiency in the feed, improve the reproductive capacity of animals, improve the ovulation capacity and increase the fertilization rate, the laying rate, the hatching rate and the survival rate of offspring, so that crested ibis quickly develops to be mature and successfully paired, the egg laying amount and fertilization rate of crested ibis are improved, normal growth and development of nestlings are promoted, and the population number of crested ibis is increased.

The invention relates to using a user's application to configure user scanner. A method of operating an indicia reader adapted to read information bearing indicia (IBI) is accomplished by putting the indicia reader in a set up mode to enable the indicia reader to read N types of user usage IBIs; reading at least one user usage IBI with the indicia reader that is one of the N types of IBI the indicia reader is enabled to read; configuring the indicia reader in accordance with the at least one IBI read while the indicia reader is in the set up mode; putting the indicia reader into a use mode and reading user usage IBIs of the type read while the indicia was in the set up mode.

The invention belongs to the technical field of high-speed signal quality evaluation, and particularly relates to a signal integrity simulation method for a mixed encryption model. The method comprises the steps of extracting a step response of an SPICE model through transient simulation; generating an external random code signal; importing extracted step response data to serve as an input sourcefor ADS channel simulation; and calculating out an eye diagram of an RX end according to an algorithm and the external random code signal by an ADS channel simulator, thereby finishing eye diagram measurement. The signal integrity simulation method for the mixed encryption model with an IBIS AMI model and the like can effectively solve the problem that the signal integrity simulation cannot be accurately performed or the simulation cannot be performed because a manufacturer provides encryption models or model types are inconsistent.

The invention provides an integrated simulation method and a system based on an IBIS model, comprising the following steps: S1, collecting a required IBIS simulation model according to a project scheme; 2, placing a folder location and a specific port accord to that chip model to edit a configuration file; S3, defining the required parameters in the configuration file; 4, write a main program andcalling that correspond model; S5, running the simulation program and obtaining the simulation result. The invention avoids making a large number of modifications to the main program when the simulation model needs to be replaced, and defines the required parameters in the configuration file, thereby greatly reducing the bloat of the main program and requiring only direct calling. The invention solves the problems of low efficiency and error-prone caused by building simulation models one by one in the prior art, realizes the effective promotion of simulation efficiency, the promotion of program readability, and the shortening of product development cycle.

The invention relates to a phosphoric acid/phosphonic acid derivative shown in a formula Ia and non-toxic pharmaceutically-acceptable salt thereof. The content of diastereoisomers shown in formula Ibis smaller than 2%; in the structural formulas Ia and Ib, Ar denotes a substituted or unsubstituted benzene ring or naphthalene ring, R1 denotes H or alkyl with the carbon atom number being 1-6; R2 denotes alkyl with the carbon atom number being 1-6 or naphthenic base; D denotes a residue of a pharmacological active molecule containing phosphoric acid/phosphonic acid groups, and that is, the groupshown in the specification denotes a pharmacological active molecule containing phosphoric acid/phosphonic acid groups.

The invention relates to a crested ibis population ecological system monitoring system with wavelet transformation. The system comprises a business layer, a data layer and a display layer, and the business layer obtains various bird audios on an island through audio extraction equipment and provides a frequency spectrum-time space interface for recording, positioning, analyzing, annotating and classifying; an algorithm system is used as a background system to realize corresponding functions through artificial intelligence voiceprint recognition, the artificial intelligence voiceprint recognition comprises noise removal, multi-audio separation, automatic classification and single recognition, and a single recognition method is a wavelet transform recognition method. According to the monitoring system disclosed by the invention, intelligent identification of crested ibis is realized through an artificial intelligence identification system of crested ibis; and a deep learning technology is utilized to automatically identify the crested ibis in the wetland, and the crested ibis population ecological system can be monitored more effectively by using the intelligent technology and combining the big data training set to extract identification factors depending on panoramic monitoring and audio identification data.

The invention discloses a specific primer and a gene parting method for an II-type MHC gene for anti-bacterial potential detection on crested ibis. The sequence of the specific primer is as shown in SEQ ID NO.1-SEQ ID NO.7. By adopting the amplification primer disclosed by the invention, nucleotide sequences of different sites of II-type MHC of crested ibis can be effectively amplified, and each body can be subjected to gene parting by using a later SSCP-HD technique. The specific primer has the advantages of high specificity, simplicity and convenience and rapidness in operation; due to gene parting on the II-type MHC gene, polymorphism of the II-type MHC gene of crested ibis can be evaluated, the potential of bacterial disease resistance of crested ibis can be detected, and important reference for working such as new population founder selection, individual wild running and artificial pairing in crested ibis protection is provided.

The invention relates to the technical field of crested ibis breeding filtration, and discloses a crested ibis breeding water filtering device. The crested ibis breeding water filtering device comprises a water storage tank, the left side of the water storage tank is connected with a water inlet, and a metal blocking net is installed at the top of the water storage tank, so that pollution caused by sundries during natural rainwater collection can be avoided, natural water is fully utilized, and water resources are saved; a coarse sand storage tank, a fine sand storage tank and an activated carbon storage tank are arranged at the top of a filter box, a feeding baffle is arranged at the top of the filter box, and the filter box is provided with a discharging baffle; the discharging baffle and the feeding baffle are pulled, so that a filter material is conveniently replaced, and the efficiency of filter element replacement operation is improved; the top of the filter box is fixedly connected with the top of a second supporting column, the right side of the filter box is fixedly connected with the left end of a second water outlet pipe, the right end of the second water outlet pipe is fixedly connected with the top of a drinking water tank, a drinking water trough is installed at the bottom of the drinking water tank, the side face of the drinking water trough is fixedly connected with one end of a standing supporting rod, and the bottom of the drinking water trough is fixedly connected with the top of a third supporting column.

The invention relates to a set of primers for amplifying classic locus sequences of MHC class I genes of crested ibis and a genotyping method, wherein the sequences of the primers are as shown in SEQ ID NO. 1-SEQ ID NO. 10. By virtue of the amplification primers disclosed by the invention, the nucleotide sequences of various class loci of class I MHC of the crested ibis are effectively amplified, and each individual is subjected to genotyping by virtue of subsequent SSCP-HD (single-strand conformation polymorphism-HD) or sequencing technology. The specific primers disclosed by the invention have the advantages of being strong in specificity, and simple and rapid in operating process; and by typing the classic loci of the class I MHC genes of the crested ibis, the polymorphism levels of the classic loci of the class I MHC genes of the crested ibis individual are assessed and the potential of the crested ibis in resisting viral diseases is detected, so that an important reference is provided for such operations of new population founder selection, reintroduction individual selection, artificial mating selection and the like in crested ibis protection work.

The invention discloses an artificial nest basket for attracting nipponia nippon southern population breeding and automatically monitoring hatching and brooding rhythms. The artificial nest basket is of a disc-shaped structure and comprises intelligent weight monitoring equipment and a signboard which are arranged on an artificial nest basket body. The artificial frame main body is a hollow disc-shaped frame body; the signboard is arranged on the outer side of the side wall of the artificial nest basket main body; the intelligent weight monitoring device comprises a weight detection module, a transmission line and a recording and transmission module, the weight detection module is arranged at the bottom of the artificial frame body and connected with the recording and transmission module through the transmission line, and the recording and transmission module is arranged outside the artificial frame body; the artificial frame can be fixed on a trunk or a branch through a fixing structure. The method is a first attempt to provide an artificial nest basket for breeding of the wild and released crested ibis, the effect is remarkable, the nesting problem of the wild and released crested ibis can be effectively solved, necessary guarantee is provided for development of crested ibis populations in the south of China, and the method has wide ecological benefits and social benefits.